SimpleShaperTest excerpt

gistfile1.cpp

class TestFontSelector : public FontSelector {
public:
    static PassRefPtr<TestFontSelector> create(const String& path)
    {
        WebUnitTestSupport* unitTestSupport = Platform::current()->unitTestSupport();
        String filePath = unitTestSupport->webKitRootDir() + path;
        RefPtr<SharedBuffer> fontBuffer = static_cast<PassRefPtr<SharedBuffer>>(unitTestSupport->readFromFile(filePath));
        return adoptRef(new TestFontSelector(FontCustomPlatformData::create(fontBuffer.get())));
    }

    ~TestFontSelector() override { }

    // FontSelector methods
    PassRefPtr<FontData> getFontData(const FontDescription& fontDescription, const AtomicString& familyName) override
    {
        return SimpleFontData::create(
            m_customPlatformData->fontPlatformData(fontDescription.effectiveFontSize(),
                fontDescription.isSyntheticBold(), fontDescription.isSyntheticItalic(),
                fontDescription.orientation()), CustomFontData::create());
    }
    void willUseFontData(const FontDescription&, const AtomicString& familyName, UChar32) override { }
    unsigned version() const override { return 0; }

    // FontCacheClient methods
    void fontCacheInvalidated() override { }

private:
    TestFontSelector(PassOwnPtr<FontCustomPlatformData> customPlatformData)
        : m_customPlatformData(customPlatformData)
    {
    }

    OwnPtr<FontCustomPlatformData> m_customPlatformData;
};

Font createTestFont(const AtomicString& familyName, const String& fontPath, float size)
{
    FontFamily family;
    family.setFamily(familyName);

    FontDescription fontDescription;
    fontDescription.setFamily(family);
    fontDescription.setSpecifiedSize(size);
    fontDescription.setComputedSize(size);

    Font ahemFont(fontDescription);
    ahemFont.update(TestFontSelector::create(fontPath));
    return ahemFont;
}

class SimpleShaperTest : public ::testing::Test {
protected:
    SimpleShaperTest()
        : m_ahemFont(createTestFont("Ahem", "/LayoutTests/resources/Ahem.woff", 20))
    {
    }

    const Font& ahemFont() const { return m_ahemFont; }

private:
    Font m_ahemFont;
};