Parse the link element's size attribute

Source/core/html/HTMLLinkElementSizesAttributeTest.cpp

+/*
+ * Copyright 2014, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
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+ *     * Redistributions in binary form must reproduce the above
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+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ */
+
+#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());
+
+    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