Add font-stretch to FontDescription

Source/platform/fonts/FontDescriptionTest.cpp

Index: Source/platform/fonts/FontDescriptionTest.cpp
diff --git a/Source/platform/fonts/FontDescriptionTest.cpp b/Source/platform/fonts/FontDescriptionTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..a4d53b9118eb96b006cbbfd0386b4d7e9a3bb3c3
--- /dev/null
+++ b/Source/platform/fonts/FontDescriptionTest.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 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:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "platform/fonts/FontDescription.h"
+
+#include <gtest/gtest.h>
+
+namespace WebCore {
+
+
+static inline void assertDescriptionMatchesMask(FontDescription& source, FontTraitsMask mask)
+{
+    FontDescription target;
+    target.setTraitsMask(mask);
+    EXPECT_EQ(source.italic(), target.italic());
+    EXPECT_EQ(source.smallCaps(), target.smallCaps());
+    EXPECT_EQ(source.weight(), target.weight());
+    EXPECT_EQ(source.stretch(), target.stretch());
+}
+
+TEST(FontDescriptionTest, TestFontTraitsMask)
+{
+    FontDescription source;
+    source.setItalic(FontItalicOff);
+    source.setSmallCaps(FontSmallCapsOff);
+    source.setWeight(FontWeightNormal);
+    source.setStretch(FontStretchNormal);
+    assertDescriptionMatchesMask(source, source.traitsMask());
+
+    source.setItalic(FontItalicOff);
+    source.setSmallCaps(FontSmallCapsOff);
+    source.setWeight(FontWeightNormal);
+    source.setStretch(FontStretchExtraCondensed);
+    assertDescriptionMatchesMask(source, source.traitsMask());
+
+    source.setItalic(FontItalicOn);
+    source.setSmallCaps(FontSmallCapsOff);
+    source.setWeight(FontWeight900);
+    source.setStretch(FontStretchUltraExpanded);
+    assertDescriptionMatchesMask(source, source.traitsMask());
+
+    source.setItalic(FontItalicOn);
+    source.setSmallCaps(FontSmallCapsOn);
+    source.setWeight(FontWeight100);
+    source.setStretch(FontStretchExtraExpanded);
+    assertDescriptionMatchesMask(source, source.traitsMask());
+}
+
+} // namespace WebCore