| // Copyright 2021 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| #include "build/build_config.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/dom/element.h" |
| #include "third_party/blink/renderer/core/testing/page_test_base.h" |
| #include "third_party/blink/renderer/core/testing/sim/sim_compositor.h" |
| #include "third_party/blink/renderer/core/testing/sim/sim_request.h" |
| #include "third_party/blink/renderer/core/testing/sim/sim_test.h" |
| #include "third_party/blink/renderer/platform/font_family_names.h" |
| #include "third_party/blink/renderer/platform/testing/unit_test_helpers.h" |
| |
| #if BUILDFLAG(IS_WIN) |
| #include "third_party/blink/public/web/win/web_font_rendering.h" |
| #endif |
| |
| namespace blink { |
| |
| class CSSFontFamilyWebKitPrefixTest : public SimTest { |
| public: |
| CSSFontFamilyWebKitPrefixTest() = default; |
| |
| protected: |
| void LoadPageWithFontFamilyValue(const String& value) { |
| SimRequest main_resource("https://example.com/", "text/html"); |
| LoadURL("https://example.com/"); |
| main_resource.Complete( |
| "<head>" |
| "<style>" |
| "body { font-family: " + |
| value + |
| "; }" |
| "</style>" |
| "</head>" |
| "<body>Styled Text</body>"); |
| Compositor().BeginFrame(); |
| test::RunPendingTasks(); |
| } |
| |
| GenericFontFamilySettings& GetGenericGenericFontFamilySettings() { |
| return GetDocument() |
| .GetFrame() |
| ->GetPage() |
| ->GetSettings() |
| .GetGenericFontFamilySettings(); |
| } |
| |
| void SetUp() override { |
| SimTest::SetUp(); |
| m_standard_font = GetGenericGenericFontFamilySettings().Standard(); |
| #if BUILDFLAG(IS_WIN) |
| // An extra step is required to ensure that the system font is configured. |
| // TODO(crbug.com/969622): Remove this. |
| blink::WebFontRendering::SetMenuFontMetrics( |
| blink::WebString::FromASCII("Arial"), 12); |
| #endif |
| } |
| |
| void TearDown() override { |
| GetGenericGenericFontFamilySettings().UpdateStandard(m_standard_font); |
| SimTest::TearDown(); |
| } |
| |
| private: |
| AtomicString m_standard_font; |
| }; |
| |
| TEST_F(CSSFontFamilyWebKitPrefixTest, |
| CSSFontFamilyWebKitPrefixTest_WebKitBodyFontBuilder) { |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontBuilderCSSFontFamilyWebKitPrefixBody)); |
| |
| // If empty standard font is specified, counter is never triggered. |
| GetGenericGenericFontFamilySettings().UpdateStandard(g_empty_atom); |
| LoadPageWithFontFamilyValue("initial"); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontBuilderCSSFontFamilyWebKitPrefixBody)); |
| LoadPageWithFontFamilyValue("-webkit-body"); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontBuilderCSSFontFamilyWebKitPrefixBody)); |
| LoadPageWithFontFamilyValue("-webkit-body, serif"); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontBuilderCSSFontFamilyWebKitPrefixBody)); |
| LoadPageWithFontFamilyValue("serif, -webkit-body"); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontBuilderCSSFontFamilyWebKitPrefixBody)); |
| |
| // This counter is triggered in FontBuilder when -webkit-body is replaced with |
| // a non-empty GenericFontFamilySettings's standard font. |
| GetGenericGenericFontFamilySettings().UpdateStandard( |
| AtomicString("MyStandardFont")); |
| LoadPageWithFontFamilyValue("initial"); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontBuilderCSSFontFamilyWebKitPrefixBody)); |
| LoadPageWithFontFamilyValue("-webkit-body, serif"); |
| ASSERT_TRUE(GetDocument().IsUseCounted( |
| WebFeature::kFontBuilderCSSFontFamilyWebKitPrefixBody)); |
| } |
| |
| TEST_F(CSSFontFamilyWebKitPrefixTest, |
| CSSFontFamilyWebKitPrefixTest_WebKitBodyFontSelector) { |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontSelectorCSSFontFamilyWebKitPrefixBody)); |
| |
| // If empty standard font is specified, counter is never triggered. |
| GetGenericGenericFontFamilySettings().UpdateStandard(g_empty_atom); |
| |
| for (String font_family_value : |
| {"initial", "-webkit-body", "-webkit-body, serif", |
| "serif, -webkit-body"}) { |
| LoadPageWithFontFamilyValue(font_family_value); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontSelectorCSSFontFamilyWebKitPrefixBody)) |
| << "font-family: " << font_family_value |
| << "; lead to counting use of -webkit-body generic family despite " |
| "generic family being configured to empty family name in settings."; |
| } |
| |
| // Implementation via FontDescription::GenericFamilyType is weird, here the |
| // last specified generic family is set by FontBuilder. So FontSelector will |
| // only trigger the counter if -webkit-body is at the last position. |
| GetGenericGenericFontFamilySettings().UpdateStandard( |
| AtomicString("MyStandardFont")); |
| LoadPageWithFontFamilyValue("initial"); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontSelectorCSSFontFamilyWebKitPrefixBody)); |
| LoadPageWithFontFamilyValue("-webkit-body, serif"); |
| ASSERT_FALSE(GetDocument().IsUseCounted( |
| WebFeature::kFontSelectorCSSFontFamilyWebKitPrefixBody)); |
| LoadPageWithFontFamilyValue("serif, -webkit-body"); |
| ASSERT_TRUE(GetDocument().IsUseCounted( |
| WebFeature::kFontSelectorCSSFontFamilyWebKitPrefixBody)); |
| } |
| |
| TEST_F(CSSFontFamilyWebKitPrefixTest, |
| CSSFontFamilyWebKitPrefixTest_BlinkMacSystemFont) { |
| ASSERT_FALSE(GetDocument().IsUseCounted(WebFeature::kBlinkMacSystemFont)); |
| |
| // Counter should be not be triggered if system-ui is placed before. |
| LoadPageWithFontFamilyValue("system-ui, BlinkMacSystemFont"); |
| ASSERT_FALSE(GetDocument().IsUseCounted(WebFeature::kBlinkMacSystemFont)); |
| |
| // Counter should be triggered on macOS, even if -apple-system is placed |
| // before or -system-ui is place after. |
| LoadPageWithFontFamilyValue("-apple-system, BlinkMacSystemFont, system-ui"); |
| #if BUILDFLAG(IS_MAC) |
| ASSERT_TRUE(GetDocument().IsUseCounted(WebFeature::kBlinkMacSystemFont)); |
| #else |
| ASSERT_FALSE(GetDocument().IsUseCounted(WebFeature::kBlinkMacSystemFont)); |
| #endif |
| } |
| |
| } // namespace blink |
