Page zoom improvements

content/browser/host_zoom_map_unittest.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/host_zoom_map.h"
+
+#include "base/memory/ref_counted.h"
+#include "base/message_loop.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/test/test_browser_thread.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class HostZoomMapTest : public testing::Test {
+ public:
+  HostZoomMapTest() : ui_thread_(content::BrowserThread::UI, &message_loop_) {
+  }
+
+ protected:
+  MessageLoop message_loop_;
+  content::TestBrowserThread ui_thread_;
+};
+
+TEST_F(HostZoomMapTest, GetSetZoomLevel) {
+  scoped_refptr<HostZoomMap> host_zoom_map = new HostZoomMap;
+
+  double zoomed = 2.5;
+  host_zoom_map->SetZoomLevel("zoomed.com", zoomed);
+
+  EXPECT_DOUBLE_EQ(host_zoom_map->GetZoomLevel("normal.com"), 0);
+  EXPECT_DOUBLE_EQ(host_zoom_map->GetZoomLevel("zoomed.com"), zoomed);
+}
+