1 // Copyright 2013 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. 4 5 #include "chrome/browser/net/client_hints.h" 6 7 #include <locale.h> 8 9 #include "base/logging.h" 10 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_IOS) 11 #include "base/test/scoped_locale.h" 12 #endif 13 #include "testing/gtest/include/gtest/gtest.h" 14 15 class ClientHintsTest : public testing::Test { 16 public: 17 void UpdateScreenInfo(float pixel_ratio) { 18 client_hints_.UpdateScreenInfo(pixel_ratio); 19 }; 20 21 protected: 22 ClientHints client_hints_; 23 }; 24 25 TEST_F(ClientHintsTest, HintsWellFormatted) { 26 UpdateScreenInfo(1.567f); 27 std::string hint = client_hints_.GetDevicePixelRatioHeader(); 28 EXPECT_EQ("1.57", hint); 29 } 30 31 // Android and iOS do not support setLocale. 32 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_IOS) 33 // TODO(bengr): Use ScopedLocal in Windows once it is supported. 34 TEST_F(ClientHintsTest, HintsWellFormattedWithNonEnLocale) { 35 base::ScopedLocale locale("fr_FR.UTF-8"); 36 UpdateScreenInfo(1.567f); 37 std::string hint = client_hints_.GetDevicePixelRatioHeader(); 38 EXPECT_EQ("1.57", hint); 39 } 40 #endif // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_IOS) 41 42 TEST_F(ClientHintsTest, HintsHaveNonbogusValues) { 43 UpdateScreenInfo(-1.567f); 44 std::string hint = client_hints_.GetDevicePixelRatioHeader(); 45 EXPECT_EQ("", hint); 46 47 UpdateScreenInfo(1.567f); 48 hint = client_hints_.GetDevicePixelRatioHeader(); 49 EXPECT_EQ("1.57", hint); 50 51 UpdateScreenInfo(0.0f); 52 hint = client_hints_.GetDevicePixelRatioHeader(); 53 // Hints should be last known good values. 54 EXPECT_EQ("1.57", hint); 55 } 56 57
