third_party/WebKit/Source/platform/fonts/FontCacheTest.cpp

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "platform/fonts/FontCache.h"

#include "platform/fonts/FontDescription.h"
#include "platform/fonts/SimpleFontData.h"
#include "platform/testing/TestingPlatformSupport.h"
#include "public/platform/Platform.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace blink {

class EmptyPlatform : public TestingPlatformSupport {
 public:
  EmptyPlatform() {}
  ~EmptyPlatform() override {}
};

TEST(FontCache, getLastResortFallbackFont) {
  FontCache* fontCache = FontCache::fontCache();
  ASSERT_TRUE(fontCache);

  EmptyPlatform platform;

  FontDescription fontDescription;
  fontDescription.setGenericFamily(FontDescription::StandardFamily);
  RefPtr<SimpleFontData> fontData =
      fontCache->getLastResortFallbackFont(fontDescription, Retain);
  EXPECT_TRUE(fontData);

  fontDescription.setGenericFamily(FontDescription::SansSerifFamily);
  fontData = fontCache->getLastResortFallbackFont(fontDescription, Retain);
  EXPECT_TRUE(fontData);
}

TEST(FontCache, firstAvailableOrFirst) {
  EXPECT_TRUE(FontCache::firstAvailableOrFirst("").isEmpty());
  EXPECT_TRUE(FontCache::firstAvailableOrFirst(String()).isEmpty());

  EXPECT_EQ("Arial", FontCache::firstAvailableOrFirst("Arial"));
  EXPECT_EQ("not exist", FontCache::firstAvailableOrFirst("not exist"));

  EXPECT_EQ("Arial", FontCache::firstAvailableOrFirst("Arial, not exist"));
  EXPECT_EQ("Arial", FontCache::firstAvailableOrFirst("not exist, Arial"));
  EXPECT_EQ("Arial",
            FontCache::firstAvailableOrFirst("not exist, Arial, not exist"));

  EXPECT_EQ("not exist",
            FontCache::firstAvailableOrFirst("not exist, not exist 2"));

  EXPECT_EQ("Arial", FontCache::firstAvailableOrFirst(", not exist, Arial"));
  EXPECT_EQ("not exist",
            FontCache::firstAvailableOrFirst(", not exist, not exist"));
}

}  // namespace blink