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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 "base/run_loop.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/child/webkitplatformsupport_impl.h"
namespace content {
// Derives WebKitPlatformSupportImpl for testing shared timers.
class TestBlinkPlatformImpl : public webkit_glue::WebKitPlatformSupportImpl {
public:
TestBlinkPlatformImpl() : mock_monotonically_increasing_time_(0) {}
// webkit_glue::WebKitPlatformSupportImpl:
virtual base::string16 GetLocalizedString(int) OVERRIDE {
return base::string16();
}
virtual base::StringPiece GetDataResource(int, ui::ScaleFactor) OVERRIDE {
return base::StringPiece();
}
virtual webkit_glue::ResourceLoaderBridge* CreateResourceLoader(
const webkit_glue::ResourceLoaderBridge::RequestInfo&) OVERRIDE {
return NULL;
}
virtual webkit_glue::WebSocketStreamHandleBridge* CreateWebSocketStreamBridge(
blink::WebSocketStreamHandle*,
webkit_glue::WebSocketStreamHandleDelegate*) OVERRIDE {
return NULL;
}
// Returns mock time when enabled.
virtual double monotonicallyIncreasingTime() OVERRIDE {
if (mock_monotonically_increasing_time_ > 0.0)
return mock_monotonically_increasing_time_;
return webkit_glue::WebKitPlatformSupportImpl::
monotonicallyIncreasingTime();
}
virtual void OnStartSharedTimer(base::TimeDelta delay) OVERRIDE {
shared_timer_delay_ = delay;
}
base::TimeDelta shared_timer_delay() { return shared_timer_delay_; }
void set_mock_monotonically_increasing_time(double mock_time) {
mock_monotonically_increasing_time_ = mock_time;
}
private:
base::TimeDelta shared_timer_delay_;
double mock_monotonically_increasing_time_;
DISALLOW_COPY_AND_ASSIGN(TestBlinkPlatformImpl);
};
TEST(BlinkPlatformTest, SuspendResumeSharedTimer) {
base::MessageLoop message_loop;
TestBlinkPlatformImpl platform_impl;
// Set a timer to fire as soon as possible.
platform_impl.setSharedTimerFireInterval(0);
// Suspend timers immediately so the above timer wouldn't be fired.
platform_impl.SuspendSharedTimer();
// The above timer would have posted a task which can be processed out of the
// message loop.
base::RunLoop().RunUntilIdle();
// Set a mock time after 1 second to simulate timers suspended for 1 second.
double new_time = base::Time::Now().ToDoubleT() + 1;
platform_impl.set_mock_monotonically_increasing_time(new_time);
// Resume timers so that the timer set above will be set again to fire
// immediately.
platform_impl.ResumeSharedTimer();
EXPECT_TRUE(base::TimeDelta() == platform_impl.shared_timer_delay());
}
} // namespace content
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