Add unit tests for FontPlatformData::hasSpaceInLigaturesOrKerning

Source/platform/fonts/FontPlatformDataTest.cpp

Index: Source/platform/fonts/FontPlatformDataTest.cpp
diff --git a/Source/web/tests/WebSelectorTest.cpp b/Source/platform/fonts/FontPlatformDataTest.cpp
similarity index 52%
copy from Source/web/tests/WebSelectorTest.cpp
copy to Source/platform/fonts/FontPlatformDataTest.cpp
index 28b8f7adf51b08af3d251c9d027bde83a596e818..ecc0c37fe10b4e923761b28b783fda6bb30bedff 100644
--- a/Source/web/tests/WebSelectorTest.cpp
+++ b/Source/platform/fonts/FontPlatformDataTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Google Inc. All rights reserved.
+ * Copyright (C) 2015 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
@@ -29,30 +29,50 @@
  */
 
 #include "config.h"
-#include "public/web/WebSelector.h"
+#include "platform/fonts/Font.h"
 
-#include "public/platform/WebString.h"
+#include "platform/fonts/TestFontSelector.h"
+#include "platform/fonts/TypesettingFeatures.h"
 #include "public/platform/WebUnitTestSupport.h"
+
 #include <gtest/gtest.h>
 
 namespace blink {
 
-TEST(WebSelectorTest, Canonicalizes)
+static inline String fontPath(String relativePath)
 {
-    EXPECT_EQ("h1, h2[style=\"foobar\"] span", canonicalizeSelector("h1,h2[style='foobar']    span").utf8());
-    EXPECT_EQ("h1, h2[style=\"foobar\"] span", canonicalizeSelector("h1, h2[style=\"foobar\"] span").utf8());
+    return Platform::current()->unitTestSupport()->webKitRootDir()
+        + String("/LayoutTests/")
+        + relativePath;
 }
 
-TEST(WebSelectorTest, Checks)
+TEST(FontPlatformDataTest, AhemHasNoSpaceInLigaturesOrKerning)
 {
-    EXPECT_EQ("", canonicalizeSelector("h1..h2").utf8());
-    EXPECT_EQ("", canonicalizeSelector("h1..h2", WebSelectorTypeCompound).utf8());
+    Font font = createTestFont("Ahem", fontPath("resources/Ahem.woff"));
+    const FontPlatformData& platformData = font.primaryFont()->platformData();
+    TypesettingFeatures features = Kerning | Ligatures;
+
+    EXPECT_FALSE(platformData.hasSpaceInLigaturesOrKerning(features));
 }
 
-TEST(WebSelectorTest, Restricts)
+TEST(FontPlatformDataTest, AhemSpaceLigatureHasSpaceInLigaturesOrKerning)
 {
-    EXPECT_EQ("", canonicalizeSelector("h1 span,h2", WebSelectorTypeCompound).utf8());
-    EXPECT_EQ("h1, h2[style=\"foobar\"].cls", canonicalizeSelector("h1,h2[style=\"foobar\"].cls", WebSelectorTypeCompound).utf8());
+    Font font = createTestFont("AhemSpaceLigature",
+        fontPath("third_party/AhemSpaceLigature/AhemSpaceLigature.woff"));
+    const FontPlatformData& platformData = font.primaryFont()->platformData();
+    TypesettingFeatures features = Kerning | Ligatures;
+
+    EXPECT_TRUE(platformData.hasSpaceInLigaturesOrKerning(features));
+}
+
+TEST(FontPlatformDataTest, AhemSpaceLigatureHasNoSpaceWithoutFontFeatures)
+{
+    Font font = createTestFont("AhemSpaceLigature",
+        fontPath("third_party/AhemSpaceLigature/AhemSpaceLigature.woff"));
+    const FontPlatformData& platformData = font.primaryFont()->platformData();
+    TypesettingFeatures features = 0;
+
+    EXPECT_FALSE(platformData.hasSpaceInLigaturesOrKerning(features));
 }
 
 } // namespace blink