Moved most viewport layout tests into a unit test

Source/web/tests/ViewportTest.cpp

+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.

[aelias_OOO_until_Jul13, 2013/10/28 23:06:46]

2013

[bokan, 2013/10/29 15:50:18]

Done.

+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include "FrameTestHelpers.h"
+#include "URLTestHelpers.h"
+#include "WebSettings.h"
+#include "core/dom/ViewportDescription.h"
+#include "core/frame/Frame.h"
+#include "core/frame/FrameView.h"
+#include "core/page/Page.h"
+#include "core/page/PageScaleConstraints.h"
+#include "core/page/Settings.h"
+#include "core/platform/ScrollbarTheme.h"
+#include "platform/geometry/IntPoint.h"
+#include "platform/geometry/IntRect.h"
+#include "platform/geometry/IntSize.h"
+#include "public/platform/Platform.h"
+#include "public/platform/WebUnitTestSupport.h"
+
+
+using namespace WebKit;
+using WebCore::Frame;
+using WebCore::FrameView;
+using WebCore::IntPoint;
+using WebCore::IntRect;
+using WebCore::IntSize;
+using WebCore::Page;
+using WebCore::PageScaleConstraints;
+using WebCore::ViewportDescription;
+using WebKit::FrameTestHelpers::runPendingTasks;
+
+namespace {
+
+class ViewportTest : public testing::Test {
+protected:
+    ViewportTest()
+        : m_baseURL("http://www.test.com/")
+        , m_chromeURL("chrome://")
+    {
+    }
+
+    virtual ~ViewportTest()
+    {
+        Platform::current()->unitTestSupport()->unregisterAllMockedURLs();
+    }
+
+    void registerMockedHttpURLLoad(const std::string& fileName)
+    {
+        URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8(fileName.c_str()));
+    }
+
+    void registerMockedChromeURLLoad(const std::string& fileName)
+    {
+        URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_chromeURL.c_str()), WebString::fromUTF8(fileName.c_str()));
+    }
+
+    std::string m_baseURL;
+    std::string m_chromeURL;
+};
+
+class UseMockScrollbarSettings {
+public:
+    UseMockScrollbarSettings()
+    {
+        WebCore::Settings::setMockScrollbarsEnabled(true);
+        WebCore::RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(true);
+        EXPECT_TRUE(WebCore::ScrollbarTheme::theme()->usesOverlayScrollbars());
+    }
+
+    ~UseMockScrollbarSettings()
+    {
+        WebCore::Settings::setMockScrollbarsEnabled(false);
+        WebCore::RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(false);
+    }
+};
+
+static void setViewportSettings(WebSettings* settings)
+{
+    settings->setViewportEnabled(true);
+}
+
+static PageScaleConstraints runViewportTest(Page* page, int initialWidth, int initialHeight)
+{
+    IntSize initialViewportSize(initialWidth, initialHeight);
+    page->mainFrame()->view()->setFrameRect(IntRect(IntPoint::zero(), initialViewportSize));
+
+    ViewportDescription description = page->viewportDescription();
+    PageScaleConstraints constraints = description.resolve(initialViewportSize);
+
+    constraints.fitToContentsWidth(constraints.layoutSize.width(), initialWidth);
+    return constraints;
+}
+
+TEST_F(ViewportTest, viewport1)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-1.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-1.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport2)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-2.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-2.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(0.32f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.32f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport3)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-3.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-3.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport4)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-4.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-4.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(160, constraints.layoutSize.width());
+    EXPECT_EQ(176, constraints.layoutSize.height());
+    EXPECT_NEAR(2.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(2.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport5)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-5.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-5.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(640, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport6)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-6.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-6.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(200, constraints.layoutSize.width());
+    EXPECT_EQ(220, constraints.layoutSize.height());
+    EXPECT_NEAR(1.6f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.6f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport7)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-7.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-7.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1280, constraints.layoutSize.width());
+    EXPECT_EQ(1408, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport8)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-8.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-8.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1280, constraints.layoutSize.width());
+    EXPECT_EQ(1408, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport9)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-9.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-9.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1280, constraints.layoutSize.width());
+    EXPECT_EQ(1408, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport10)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-10.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-10.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1280, constraints.layoutSize.width());
+    EXPECT_EQ(1408, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport11)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-11.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-11.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.32f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.32f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport12)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-12.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-12.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(640, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport13)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-13.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-13.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1280, constraints.layoutSize.width());
+    EXPECT_EQ(1408, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport14)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-14.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-14.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport15)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-15.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-15.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport16)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-16.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-16.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport17)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-17.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-17.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport18)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-18.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-18.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport19)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-19.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-19.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(160, constraints.layoutSize.width());
+    EXPECT_EQ(176, constraints.layoutSize.height());
+    EXPECT_NEAR(2.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(2.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport20)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-20.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-20.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport21)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-21.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-21.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport22)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-22.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-22.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport23)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-23.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-23.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(3.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(3.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport24)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-24.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-24.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(4.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(4.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(4.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport25)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-25.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-25.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport26)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-26.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-26.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(8.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(8.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(9.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport27)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-27.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-27.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.32f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.32f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport28)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-28.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-28.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(352, constraints.layoutSize.width());
+    EXPECT_NEAR(387.2, constraints.layoutSize.height(), 0.01);
+    EXPECT_NEAR(0.91f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.91f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport29)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-29.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-29.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(700, constraints.layoutSize.width());
+    EXPECT_EQ(770, constraints.layoutSize.height());
+    EXPECT_NEAR(0.46f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.46f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport30)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-30.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-30.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(200, constraints.layoutSize.width());
+    EXPECT_EQ(220, constraints.layoutSize.height());
+    EXPECT_NEAR(1.6f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.6f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport31)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-31.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-31.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(700, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport32)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-32.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-32.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(200, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport33)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-33.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-33.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(2.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport34)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-34.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-34.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(640, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport35)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-35.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-35.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1280, constraints.layoutSize.width());
+    EXPECT_EQ(1408, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport36)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-36.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-36.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_NEAR(636.36, constraints.layoutSize.width(), 0.01f);
+    EXPECT_EQ(700, constraints.layoutSize.height());
+    EXPECT_NEAR(1.6f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.50f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport37)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-37.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-37.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport38)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-38.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-38.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(640, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport39)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-39.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-39.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(200, constraints.layoutSize.width());
+    EXPECT_EQ(700, constraints.layoutSize.height());
+    EXPECT_NEAR(1.6f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.6f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport40)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-40.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-40.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(700, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(0.46f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.46f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport41)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-41.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-41.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1000, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.32f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport42)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-42.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-42.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(1000, constraints.layoutSize.height());
+    EXPECT_NEAR(2.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport43)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-43.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-43.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport44)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-44.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-44.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(10000, constraints.layoutSize.width());
+    EXPECT_EQ(10000, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport45)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-45.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-45.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(3200, constraints.layoutSize.width());
+    EXPECT_EQ(3520, constraints.layoutSize.height());
+    EXPECT_NEAR(0.1f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.1f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(0.1f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport46)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-46.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-46.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(32, constraints.layoutSize.width());
+    EXPECT_NEAR(35.2, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport47)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-47.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-47.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(3000, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport48)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-48.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-48.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(3000, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport49)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-49.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-49.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport50)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-50.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-50.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport51)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-51.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-51.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport52)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-52.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-52.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport53)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-53.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-53.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport54)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-54.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-54.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport55)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-55.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-55.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport56)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-56.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-56.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport57)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-57.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-57.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport58)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-58.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-58.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(3200, constraints.layoutSize.width());
+    EXPECT_EQ(3520, constraints.layoutSize.height());
+    EXPECT_NEAR(0.1f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.1f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport59)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-59.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-59.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport60)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-60.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-60.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(32, constraints.layoutSize.width());
+    EXPECT_NEAR(35.2, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport61)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-61.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-61.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport62)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-62.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-62.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport63)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-63.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-63.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport64)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-64.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-64.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport65)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-65.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-65.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport66)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-66.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-66.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport67)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-67.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-67.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport68)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-68.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-68.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport69)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-69.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-69.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport70)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-70.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-70.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport71)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-71.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-71.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport72)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-72.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-72.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport73)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-73.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-73.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport74)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-74.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-74.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport75)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-75.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-75.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport76)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-76.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-76.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(32, constraints.layoutSize.width());
+    EXPECT_NEAR(35.2, constraints.layoutSize.height(), 0.01);
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport77)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-77.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-77.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(1280, constraints.layoutSize.width());
+    EXPECT_EQ(1408, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport78)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-78.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-78.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(100, constraints.layoutSize.width());
+    EXPECT_EQ(110, constraints.layoutSize.height());
+    EXPECT_NEAR(3.2f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(3.2f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport79)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-79.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-79.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport80)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-80.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-80.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport81)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-81.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-81.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(3000, constraints.layoutSize.width());
+    EXPECT_EQ(3300, constraints.layoutSize.height());
+    EXPECT_NEAR(0.25f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.25f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport82)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-82.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-82.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport83)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-83.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-83.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport84)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-84.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-84.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_EQ(480, constraints.layoutSize.height());
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport85)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-85.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-85.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(540, constraints.layoutSize.width());
+    EXPECT_EQ(594, constraints.layoutSize.height());
+    EXPECT_NEAR(0.59f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.59f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport86)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-86.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-86.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_NEAR(457.14, constraints.layoutSize.width(), 0.01f);
+    EXPECT_NEAR(502.86, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(0.7f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.7f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport87)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-87.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-87.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport88)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-88.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-88.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport90)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-90.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-90.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(700, constraints.layoutSize.width());
+    EXPECT_EQ(770, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.46f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport100)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-100.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-100.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport101)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-101.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-101.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport102)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-102.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-102.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport103)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-103.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-103.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport104)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-104.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-104.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport105)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-105.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-105.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport106)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-106.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-106.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport107)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-107.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-107.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport108)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-108.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-108.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport109)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-109.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-109.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport110)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-110.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-110.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport111)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-111.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-111.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport112)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-112.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-112.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport113)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-113.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-113.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport114)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-114.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-114.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport115)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-115.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-115.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport116)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-116.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-116.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(400, constraints.layoutSize.width());
+    EXPECT_EQ(440, constraints.layoutSize.height());
+    EXPECT_NEAR(0.8f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.8f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport117)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-117.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-117.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(400, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport118)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-118.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-118.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport119)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-119.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-119.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport120)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-120.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-120.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport121)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-121.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-121.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport122)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-122.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-122.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport123)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-123.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-123.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport124)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-124.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-124.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport125)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-125.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-125.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport126)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-126.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-126.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport127)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-127.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-127.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(64, constraints.layoutSize.width());
+    EXPECT_NEAR(70.4, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(5.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport129)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-129.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-129.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(123, constraints.layoutSize.width());
+    EXPECT_NEAR(135.3, constraints.layoutSize.height(), 0.01f);
+    EXPECT_NEAR(2.60f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(2.60f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport130)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-130.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-130.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport131)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-131.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-131.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.maximumScale, 0.01f);
+    EXPECT_FALSE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport132)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-132.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-132.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport133)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-133.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-133.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(10.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(10.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport134)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-134.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-134.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(160, constraints.layoutSize.width());
+    EXPECT_EQ(176, constraints.layoutSize.height());
+    EXPECT_NEAR(2.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(2.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport135)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-135.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-135.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport136)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-136.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-136.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewport137)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-137.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-137.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(980, constraints.layoutSize.width());
+    EXPECT_EQ(1078, constraints.layoutSize.height());
+    EXPECT_NEAR(0.33f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.33f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyHandheldFriendly)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-handheldfriendly.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-handheldfriendly.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+static void setQuirkViewportSettings(WebSettings* settings)
+{
+    setViewportSettings(settings);
+
+    // This quirk allows content attributes of meta viewport tags to be merged.
+    settings->setViewportMetaMergeContentQuirk(true);
+}
+
+TEST_F(ViewportTest, viewportLegacyMergeQuirk1)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-merge-quirk-1.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-merge-quirk-1.html", true, 0, 0, setQuirkViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(640, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.maximumScale, 0.01f);
+    EXPECT_FALSE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyMergeQuirk2)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-merge-quirk-2.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-merge-quirk-2.html", true, 0, 0, setQuirkViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    // This quirk allows content attributes of meta viewport tags to be merged.
+    page->settings().setViewportMetaMergeContentQuirk(true);
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(500, constraints.layoutSize.width());
+    EXPECT_EQ(550, constraints.layoutSize.height());
+    EXPECT_NEAR(2.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(2.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(2.0f, constraints.maximumScale, 0.01f);
+    EXPECT_FALSE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyMobileOptimizedMetaWithoutContent)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-mobileoptimized.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-mobileoptimized.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyMobileOptimizedMetaWith0)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-mobileoptimized-2.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-mobileoptimized-2.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyMobileOptimizedMetaWith400)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-mobileoptimized-2.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-mobileoptimized-2.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyOrdering2)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-2.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-2.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(300, constraints.layoutSize.width());
+    EXPECT_EQ(330, constraints.layoutSize.height());
+    EXPECT_NEAR(1.07f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.07f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyOrdering3)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-3.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-3.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(300, constraints.layoutSize.width());
+    EXPECT_EQ(330, constraints.layoutSize.height());
+    EXPECT_NEAR(1.07f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.07f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyOrdering4)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-4.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-4.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(300, constraints.layoutSize.width());
+    EXPECT_EQ(330, constraints.layoutSize.height());
+    EXPECT_NEAR(1.07f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.07f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyOrdering5)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-5.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-5.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyOrdering6)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-6.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-6.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyOrdering7)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-7.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-7.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(300, constraints.layoutSize.width());
+    EXPECT_EQ(330, constraints.layoutSize.height());
+    EXPECT_NEAR(1.07f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.07f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyOrdering8)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-8.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-8.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(300, constraints.layoutSize.width());
+    EXPECT_EQ(330, constraints.layoutSize.height());
+    EXPECT_NEAR(1.07f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.07f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyEmptyAtViewportDoesntOverrideViewportMeta)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-ordering-10.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-ordering-10.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 800, 600);
+
+    EXPECT_EQ(5000, constraints.layoutSize.width());
+}
+
+TEST_F(ViewportTest, viewportLegacyDefaultValueChangedByXHTMLMP)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-xhtmlmp.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-xhtmlmp.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(320, constraints.layoutSize.width());
+    EXPECT_EQ(352, constraints.layoutSize.height());
+    EXPECT_NEAR(1.0f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(1.0f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyDefaultValueChangedByXHTMLMPAndOverriddenByMeta)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-xhtmlmp-misplaced-doctype.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-xhtmlmp-misplaced-doctype.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(640, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLegacyXHTMLMPOrdering)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-legacy-xhtmlmp-ordering.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-legacy-xhtmlmp-ordering.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+    PageScaleConstraints constraints = runViewportTest(page, 320, 352);
+
+    EXPECT_EQ(640, constraints.layoutSize.width());
+    EXPECT_EQ(704, constraints.layoutSize.height());
+    EXPECT_NEAR(0.5f, constraints.initialScale, 0.01f);
+    EXPECT_NEAR(0.5f, constraints.minimumScale, 0.01f);
+    EXPECT_NEAR(5.0f, constraints.maximumScale, 0.01f);
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLimitsAdjustedForNoUserScale)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-limits-adjusted-for-no-user-scale.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-limits-adjusted-for-no-user-scale.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    EXPECT_FALSE(page->viewportDescription().userZoom);
+}
+
+TEST_F(ViewportTest, viewportLimitsAdjustedForNoUserScaleControl)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport/viewport-limits-adjusted-for-no-user-scale-control.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-limits-adjusted-for-no-user-scale-control.html", true, 0, 0, setViewportSettings);
+
+    Page* page = webViewHelper.webViewImpl()->page();
+
+    EXPECT_TRUE(page->viewportDescription().userZoom);
+}
+
+} // namespace