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// Copyright 2013 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 "chrome/browser/net/client_hints.h"
#include <locale.h>
#include "base/logging.h"
#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_IOS)
#include "base/test/scoped_locale.h"
#endif
#include "testing/gtest/include/gtest/gtest.h"
class ClientHintsTest : public testing::Test {
public:
void UpdateScreenInfo(float pixel_ratio) {
client_hints_.UpdateScreenInfo(pixel_ratio);
};
protected:
ClientHints client_hints_;
};
TEST_F(ClientHintsTest, HintsWellFormatted) {
UpdateScreenInfo(1.567f);
std::string hint = client_hints_.GetDevicePixelRatioHeader();
EXPECT_EQ("1.57", hint);
}
// Android and iOS do not support setLocale.
#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_IOS)
// TODO(bengr): Use ScopedLocal in Windows once it is supported.
TEST_F(ClientHintsTest, HintsWellFormattedWithNonEnLocale) {
base::ScopedLocale locale("fr_FR.UTF-8");
UpdateScreenInfo(1.567f);
std::string hint = client_hints_.GetDevicePixelRatioHeader();
EXPECT_EQ("1.57", hint);
}
#endif // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_IOS)
TEST_F(ClientHintsTest, HintsHaveNonbogusValues) {
UpdateScreenInfo(-1.567f);
std::string hint = client_hints_.GetDevicePixelRatioHeader();
EXPECT_EQ("", hint);
UpdateScreenInfo(1.567f);
hint = client_hints_.GetDevicePixelRatioHeader();
EXPECT_EQ("1.57", hint);
UpdateScreenInfo(0.0f);
hint = client_hints_.GetDevicePixelRatioHeader();
// Hints should be last known good values.
EXPECT_EQ("1.57", hint);
}
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