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 <string> 6 7 #include "base/run_loop.h" 8 #include "base/time/time.h" 9 #include "testing/gtest/include/gtest/gtest.h" 10 #include "webkit/child/webkitplatformsupport_impl.h" 11 12 namespace { 13 14 // Derives WebKitPlatformSupportImpl for testing shared timers. 15 class TestWebKitPlatformSupport 16 : public webkit_glue::WebKitPlatformSupportImpl { 17 public: TestWebKitPlatformSupport()18 TestWebKitPlatformSupport() : mock_monotonically_increasing_time_(0) { 19 } 20 21 // WebKitPlatformSupportImpl implementation GetLocalizedString(int)22 virtual base::string16 GetLocalizedString(int) OVERRIDE { 23 return base::string16(); 24 } 25 GetDataResource(int,ui::ScaleFactor)26 virtual base::StringPiece GetDataResource(int, ui::ScaleFactor) OVERRIDE { 27 return base::StringPiece(); 28 } 29 CreateResourceLoader(const webkit_glue::ResourceLoaderBridge::RequestInfo &)30 virtual webkit_glue::ResourceLoaderBridge* CreateResourceLoader( 31 const webkit_glue::ResourceLoaderBridge::RequestInfo&) OVERRIDE { 32 return NULL; 33 } 34 CreateWebSocketStreamBridge(blink::WebSocketStreamHandle *,webkit_glue::WebSocketStreamHandleDelegate *)35 virtual webkit_glue::WebSocketStreamHandleBridge* CreateWebSocketStreamBridge( 36 blink::WebSocketStreamHandle*, 37 webkit_glue::WebSocketStreamHandleDelegate*) OVERRIDE { 38 return NULL; 39 } 40 41 // Returns mock time when enabled. monotonicallyIncreasingTime()42 virtual double monotonicallyIncreasingTime() OVERRIDE { 43 if (mock_monotonically_increasing_time_ > 0.0) 44 return mock_monotonically_increasing_time_; 45 return webkit_glue::WebKitPlatformSupportImpl:: 46 monotonicallyIncreasingTime(); 47 } 48 OnStartSharedTimer(base::TimeDelta delay)49 virtual void OnStartSharedTimer(base::TimeDelta delay) OVERRIDE { 50 shared_timer_delay_ = delay; 51 } 52 shared_timer_delay()53 base::TimeDelta shared_timer_delay() { 54 return shared_timer_delay_; 55 } 56 set_mock_monotonically_increasing_time(double mock_time)57 void set_mock_monotonically_increasing_time(double mock_time) { 58 mock_monotonically_increasing_time_ = mock_time; 59 } 60 61 private: 62 base::TimeDelta shared_timer_delay_; 63 double mock_monotonically_increasing_time_; 64 }; 65 TEST(WebkitGlueTest,SuspendResumeSharedTimer)66TEST(WebkitGlueTest, SuspendResumeSharedTimer) { 67 base::MessageLoop message_loop; 68 69 TestWebKitPlatformSupport platform_support; 70 71 // Set a timer to fire as soon as possible. 72 platform_support.setSharedTimerFireInterval(0); 73 // Suspend timers immediately so the above timer wouldn't be fired. 74 platform_support.SuspendSharedTimer(); 75 // The above timer would have posted a task which can be processed out of the 76 // message loop. 77 base::RunLoop().RunUntilIdle(); 78 // Set a mock time after 1 second to simulate timers suspended for 1 second. 79 double new_time = base::Time::Now().ToDoubleT() + 1; 80 platform_support.set_mock_monotonically_increasing_time(new_time); 81 // Resume timers so that the timer set above will be set again to fire 82 // immediately. 83 platform_support.ResumeSharedTimer(); 84 EXPECT_TRUE(base::TimeDelta() == platform_support.shared_timer_delay()); 85 } 86 87 } // namespace 88