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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "platform/assert.h" | 5 #include "platform/assert.h" |
6 #include "vm/isolate.h" | 6 #include "vm/isolate.h" |
7 #include "vm/lockers.h" | 7 #include "vm/lockers.h" |
8 #include "vm/unit_test.h" | 8 #include "vm/unit_test.h" |
9 #include "vm/profiler.h" | 9 #include "vm/profiler.h" |
10 #include "vm/safepoint.h" | 10 #include "vm/safepoint.h" |
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37 | 37 |
38 UNIT_TEST_CASE(Monitor) { | 38 UNIT_TEST_CASE(Monitor) { |
39 // This unit test case needs a running isolate. | 39 // This unit test case needs a running isolate. |
40 Dart_CreateIsolate( | 40 Dart_CreateIsolate( |
41 NULL, NULL, bin::isolate_snapshot_buffer, NULL, NULL, NULL); | 41 NULL, NULL, bin::isolate_snapshot_buffer, NULL, NULL, NULL); |
42 OSThread* thread = OSThread::Current(); | 42 OSThread* thread = OSThread::Current(); |
43 // Thread interrupter interferes with this test, disable interrupts. | 43 // Thread interrupter interferes with this test, disable interrupts. |
44 thread->DisableThreadInterrupts(); | 44 thread->DisableThreadInterrupts(); |
45 Monitor* monitor = new Monitor(); | 45 Monitor* monitor = new Monitor(); |
46 monitor->Enter(); | 46 monitor->Enter(); |
| 47 EXPECT_EQ(false, monitor->TryEnter()); |
| 48 monitor->Exit(); |
| 49 EXPECT_EQ(true, monitor->TryEnter()); |
47 monitor->Exit(); | 50 monitor->Exit(); |
48 | 51 |
49 const int kNumAttempts = 5; | 52 const int kNumAttempts = 5; |
50 int attempts = 0; | 53 int attempts = 0; |
51 while (attempts < kNumAttempts) { | 54 while (attempts < kNumAttempts) { |
52 MonitorLocker ml(monitor); | 55 MonitorLocker ml(monitor); |
53 int64_t start = OS::GetCurrentTimeMillis(); | 56 int64_t start = OS::GetCurrentTimeMillis(); |
54 int64_t wait_time = 2017; | 57 int64_t wait_time = 2017; |
55 Monitor::WaitResult wait_result = ml.Wait(wait_time); | 58 Monitor::WaitResult wait_result = ml.Wait(wait_time); |
56 int64_t stop = OS::GetCurrentTimeMillis(); | 59 int64_t stop = OS::GetCurrentTimeMillis(); |
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569 TransitionVMToBlocked transition(thread); | 572 TransitionVMToBlocked transition(thread); |
570 MonitorLocker ml(&done_monitor); | 573 MonitorLocker ml(&done_monitor); |
571 if (done) { | 574 if (done) { |
572 break; | 575 break; |
573 } | 576 } |
574 } | 577 } |
575 } | 578 } |
576 } | 579 } |
577 | 580 |
578 } // namespace dart | 581 } // namespace dart |
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