Add unit tests for FontPlatformData::hasSpaceInLigaturesOrKerning

Source/platform/fonts/FontPlatformDataTest.cpp

 /*
- * 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
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * 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.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
  * OWNER OR 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 "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