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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/time.h" | 5 #include "base/time.h" |
6 #include "base/waitable_event.h" | 6 #include "base/waitable_event.h" |
| 7 #include "base/platform_thread.h" |
7 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
8 | 9 |
9 using base::TimeDelta; | 10 using base::TimeDelta; |
10 using base::WaitableEvent; | 11 using base::WaitableEvent; |
11 | 12 |
12 namespace { | 13 namespace { |
13 typedef testing::Test WaitableEventTest; | 14 typedef testing::Test WaitableEventTest; |
14 } | 15 } |
15 | 16 |
16 TEST(WaitableEventTest, ManualBasics) { | 17 TEST(WaitableEventTest, ManualBasics) { |
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45 EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10))); | 46 EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10))); |
46 | 47 |
47 event.Signal(); | 48 event.Signal(); |
48 EXPECT_TRUE(event.Wait()); | 49 EXPECT_TRUE(event.Wait()); |
49 EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10))); | 50 EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10))); |
50 | 51 |
51 event.Signal(); | 52 event.Signal(); |
52 EXPECT_TRUE(event.TimedWait(TimeDelta::FromMilliseconds(10))); | 53 EXPECT_TRUE(event.TimedWait(TimeDelta::FromMilliseconds(10))); |
53 } | 54 } |
54 | 55 |
| 56 TEST(WaitableEventTest, WaitManyShortcut) { |
| 57 WaitableEvent* ev[5]; |
| 58 for (unsigned i = 0; i < 5; ++i) |
| 59 ev[i] = new WaitableEvent(false, false); |
| 60 |
| 61 ev[3]->Signal(); |
| 62 EXPECT_EQ(WaitableEvent::WaitMany(ev, 5), 3u); |
| 63 |
| 64 ev[3]->Signal(); |
| 65 EXPECT_EQ(WaitableEvent::WaitMany(ev, 5), 3u); |
| 66 |
| 67 ev[4]->Signal(); |
| 68 EXPECT_EQ(WaitableEvent::WaitMany(ev, 5), 4u); |
| 69 |
| 70 ev[0]->Signal(); |
| 71 EXPECT_EQ(WaitableEvent::WaitMany(ev, 5), 0u); |
| 72 |
| 73 for (unsigned i = 0; i < 5; ++i) |
| 74 delete ev[i]; |
| 75 } |
| 76 |
| 77 class WaitableEventSignaler : public PlatformThread::Delegate { |
| 78 public: |
| 79 WaitableEventSignaler(double seconds, WaitableEvent* ev) |
| 80 : seconds_(seconds), |
| 81 ev_(ev) { |
| 82 } |
| 83 |
| 84 void ThreadMain() { |
| 85 PlatformThread::Sleep(static_cast<int>(seconds_ * 1000)); |
| 86 ev_->Signal(); |
| 87 } |
| 88 |
| 89 private: |
| 90 const double seconds_; |
| 91 WaitableEvent *const ev_; |
| 92 }; |
| 93 |
| 94 TEST(WaitableEventTest, WaitMany) { |
| 95 WaitableEvent* ev[5]; |
| 96 for (unsigned i = 0; i < 5; ++i) |
| 97 ev[i] = new WaitableEvent(false, false); |
| 98 |
| 99 WaitableEventSignaler signaler(0.1, ev[2]); |
| 100 PlatformThreadHandle thread; |
| 101 PlatformThread::Create(0, &signaler, &thread); |
| 102 |
| 103 EXPECT_EQ(WaitableEvent::WaitMany(ev, 5), 2u); |
| 104 |
| 105 PlatformThread::Join(thread); |
| 106 |
| 107 for (unsigned i = 0; i < 5; ++i) |
| 108 delete ev[i]; |
| 109 } |
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