[Media Router] Add integration tests and e2e tests for media router and presentation...
[chromium-blink-merge.git] / chrome / browser / font_family_cache_unittest.cc
blob0470b274690e62d7de07aeff230ef3593fe2bd0f
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/font_family_cache.h"
7 #include "base/strings/utf_string_conversions.h"
8 #include "chrome/test/base/testing_pref_service_syncable.h"
9 #include "chrome/test/base/testing_profile.h"
10 #include "content/public/test/test_browser_thread_bundle.h"
11 #include "testing/gtest/include/gtest/gtest.h"
13 namespace {
15 class TestingFontFamilyCache : public FontFamilyCache {
16 public:
17 explicit TestingFontFamilyCache(Profile* profile)
18 : FontFamilyCache(profile), fetch_font_count_(0) {}
19 ~TestingFontFamilyCache() override {}
20 base::string16 FetchFont(const char* script, const char* map_name) override {
21 ++fetch_font_count_;
22 return FontFamilyCache::FetchFont(script, map_name);
25 int fetch_font_count_;
27 private:
28 DISALLOW_COPY_AND_ASSIGN(TestingFontFamilyCache);
31 } // namespace
33 // Tests that the cache is correctly set and cleared.
34 TEST(FontFamilyCacheTest, Caching) {
35 content::TestBrowserThreadBundle thread_bundle_;
36 TestingProfile profile;
37 TestingFontFamilyCache cache(&profile);
38 TestingPrefServiceSyncable* prefs = profile.GetTestingPrefService();
40 std::string font1("font 1");
41 std::string font2("font 2");
42 std::string map_name("webkit.webprefs.fonts.pictograph");
43 std::string script("Zzyxca");
44 std::string pref_name(map_name + '.' + script);
45 std::string pref_name2(map_name + '.' + "adsf");
47 // Registers 2 preferences, and sets the first one.
48 prefs->registry()->RegisterStringPref(pref_name.c_str(), std::string());
49 prefs->registry()->RegisterStringPref(pref_name2.c_str(), std::string());
50 prefs->SetString(pref_name.c_str(), font1.c_str());
52 // Check that the right preference is returned.
53 std::string result = base::UTF16ToUTF8(
54 cache.FetchAndCacheFont(script.c_str(), map_name.c_str()));
55 EXPECT_EQ(font1, result);
56 EXPECT_EQ(1, cache.fetch_font_count_);
58 // Check that the second access uses the cache.
59 result = base::UTF16ToUTF8(
60 cache.FetchAndCacheFont(script.c_str(), map_name.c_str()));
61 EXPECT_EQ(font1, result);
62 EXPECT_EQ(1, cache.fetch_font_count_);
64 // Changing another preference should have no effect.
65 prefs->SetString(pref_name2.c_str(), "katy perry");
66 result = base::UTF16ToUTF8(
67 cache.FetchAndCacheFont(script.c_str(), map_name.c_str()));
68 EXPECT_EQ(font1, result);
69 EXPECT_EQ(1, cache.fetch_font_count_);
71 // Changing the preferences invalidates the cache.
72 prefs->SetString(pref_name.c_str(), font2.c_str());
73 result = base::UTF16ToUTF8(
74 cache.FetchAndCacheFont(script.c_str(), map_name.c_str()));
75 EXPECT_EQ(font2, result);
76 EXPECT_EQ(2, cache.fetch_font_count_);