Parse the link element's size attribute

Source/core/html/HTMLLinkElementSizesAttributeTest.cpp

+// Copyright 2014 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 "config.h"
+#include "core/html/HTMLLinkElement.h"
+
+#include <gtest/gtest.h>
+
+using namespace WebCore;
+
+namespace {
+
+class HTMLLinkElementSizesAttributeTest : public testing::Test {
+};
+
+TEST(HTMLLinkElementSizesAttributeTest, parseSizes)
+{
+    AtomicString sizesAttribute = "32x33";
+    Vector<IntSize> sizes;
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(1U, sizes.size());
+    EXPECT_EQ(32, sizes[0].width());
+    EXPECT_EQ(33, sizes[0].height());
+
+    UChar attribute[] = {'3', '2', 'x', '3', '3', 0};
+    sizesAttribute = attribute;
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(1U, sizes.size());
+    EXPECT_EQ(32, sizes[0].width());
+    EXPECT_EQ(33, sizes[0].height());
+
+
+    sizesAttribute = "   32x33   16X17    128x129   ";
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(3U, sizes.size());
+    EXPECT_EQ(32, sizes[0].width());
+    EXPECT_EQ(33, sizes[0].height());
+    EXPECT_EQ(16, sizes[1].width());
+    EXPECT_EQ(17, sizes[1].height());
+    EXPECT_EQ(128, sizes[2].width());
+    EXPECT_EQ(129, sizes[2].height());
+
+    sizesAttribute = "any";
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(0U, sizes.size());
+
+    sizesAttribute = "32x33 32";
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(0U, sizes.size());
+
+    sizesAttribute = "32x33 32x";
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(0U, sizes.size());
+
+    sizesAttribute = "32x33 x32";
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(0U, sizes.size());
+
+    sizesAttribute = "32x33 any";
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(0U, sizes.size());
+
+    sizesAttribute = "32x33, 64x64";
+    sizes.clear();
+    HTMLLinkElement::parseSizesAttribute(sizesAttribute, sizes);
+    ASSERT_EQ(0U, sizes.size());
+}
+
+} //  namespace