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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: | |
18 TestWebKitPlatformSupport() : mock_monotonically_increasing_time_(0) { | |
19 } | |
20 | |
21 // WebKitPlatformSupportImpl implementation | |
22 virtual base::string16 GetLocalizedString(int) OVERRIDE { | |
23 return base::string16(); | |
24 } | |
25 | |
26 virtual base::StringPiece GetDataResource(int, ui::ScaleFactor) OVERRIDE { | |
27 return base::StringPiece(); | |
28 } | |
29 | |
30 virtual webkit_glue::ResourceLoaderBridge* CreateResourceLoader( | |
31 const webkit_glue::ResourceLoaderBridge::RequestInfo&) OVERRIDE { | |
32 return NULL; | |
33 } | |
34 | |
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. | |
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 | |
49 virtual void OnStartSharedTimer(base::TimeDelta delay) OVERRIDE { | |
50 shared_timer_delay_ = delay; | |
51 } | |
52 | |
53 base::TimeDelta shared_timer_delay() { | |
54 return shared_timer_delay_; | |
55 } | |
56 | |
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 | |
66 TEST(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 | |
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