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1 // Copyright 2014 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 "mojo/public/cpp/system/core.h" | |
8 #include "mojo/public/cpp/system/macros.h" | |
9 #include "mojo/public/cpp/utility/run_loop.h" | |
10 #include "mojo/public/environment/default_async_waiter.h" | |
11 #include "mojo/public/environment/environment.h" | |
12 #include "mojo/public/tests/test_utils.h" | |
13 #include "testing/gtest/include/gtest/gtest.h" | |
14 | |
15 namespace mojo { | |
16 namespace { | |
17 | |
18 class TestAsyncWaitCallback { | |
19 public: | |
20 TestAsyncWaitCallback() : result_count_(0), last_result_(MOJO_RESULT_OK) { | |
21 } | |
22 virtual ~TestAsyncWaitCallback() {} | |
23 | |
24 int result_count() const { return result_count_; } | |
25 | |
26 MojoResult last_result() const { return last_result_; } | |
27 | |
28 // MojoAsyncWaitCallback: | |
29 static void OnHandleReady(void* closure, MojoResult result) { | |
30 TestAsyncWaitCallback* self = static_cast<TestAsyncWaitCallback*>(closure); | |
31 self->result_count_++; | |
32 self->last_result_ = result; | |
33 } | |
34 | |
35 private: | |
36 int result_count_; | |
37 MojoResult last_result_; | |
38 | |
39 MOJO_DISALLOW_COPY_AND_ASSIGN(TestAsyncWaitCallback); | |
40 }; | |
41 | |
42 MojoAsyncWaitID CallAsyncWait(const Handle& handle, | |
43 MojoWaitFlags flags, | |
44 TestAsyncWaitCallback* callback) { | |
45 MojoAsyncWaiter* waiter = GetDefaultAsyncWaiter(); | |
46 return waiter->AsyncWait(waiter, | |
47 handle.value(), | |
48 flags, | |
49 MOJO_DEADLINE_INDEFINITE, | |
50 &TestAsyncWaitCallback::OnHandleReady, | |
51 callback); | |
52 } | |
53 | |
54 void CallCancelWait(MojoAsyncWaitID wait_id) { | |
55 MojoAsyncWaiter* waiter = GetDefaultAsyncWaiter(); | |
56 waiter->CancelWait(waiter, wait_id); | |
57 } | |
58 | |
59 class AsyncWaiterTest : public testing::Test { | |
60 public: | |
61 AsyncWaiterTest() {} | |
62 | |
63 private: | |
64 Environment environment_; | |
65 RunLoop run_loop_; | |
66 | |
67 MOJO_DISALLOW_COPY_AND_ASSIGN(AsyncWaiterTest); | |
68 }; | |
69 | |
70 // Verifies AsyncWaitCallback is notified when pipe is ready. | |
71 TEST_F(AsyncWaiterTest, CallbackNotified) { | |
72 TestAsyncWaitCallback callback; | |
73 MessagePipe test_pipe; | |
74 EXPECT_TRUE(test::WriteTextMessage(test_pipe.handle1.get(), std::string())); | |
75 | |
76 CallAsyncWait(test_pipe.handle0.get(), | |
77 MOJO_WAIT_FLAG_READABLE, | |
78 &callback); | |
79 RunLoop::current()->Run(); | |
80 EXPECT_EQ(1, callback.result_count()); | |
81 EXPECT_EQ(MOJO_RESULT_OK, callback.last_result()); | |
82 } | |
83 | |
84 // Verifies 2 AsyncWaitCallbacks are notified when there pipes are ready. | |
85 TEST_F(AsyncWaiterTest, TwoCallbacksNotified) { | |
86 TestAsyncWaitCallback callback1; | |
87 TestAsyncWaitCallback callback2; | |
88 MessagePipe test_pipe1; | |
89 MessagePipe test_pipe2; | |
90 EXPECT_TRUE(test::WriteTextMessage(test_pipe1.handle1.get(), std::string())); | |
91 EXPECT_TRUE(test::WriteTextMessage(test_pipe2.handle1.get(), std::string())); | |
92 | |
93 CallAsyncWait(test_pipe1.handle0.get(), MOJO_WAIT_FLAG_READABLE, &callback1); | |
94 CallAsyncWait(test_pipe2.handle0.get(), MOJO_WAIT_FLAG_READABLE, &callback2); | |
95 | |
96 RunLoop::current()->Run(); | |
97 EXPECT_EQ(1, callback1.result_count()); | |
98 EXPECT_EQ(MOJO_RESULT_OK, callback1.last_result()); | |
99 EXPECT_EQ(1, callback2.result_count()); | |
100 EXPECT_EQ(MOJO_RESULT_OK, callback2.last_result()); | |
101 } | |
102 | |
103 // Verifies cancel works. | |
104 TEST_F(AsyncWaiterTest, CancelCallback) { | |
105 TestAsyncWaitCallback callback; | |
106 MessagePipe test_pipe; | |
107 EXPECT_TRUE(test::WriteTextMessage(test_pipe.handle1.get(), std::string())); | |
108 | |
109 CallCancelWait( | |
110 CallAsyncWait(test_pipe.handle0.get(), | |
111 MOJO_WAIT_FLAG_READABLE, | |
112 &callback)); | |
113 RunLoop::current()->Run(); | |
114 EXPECT_EQ(0, callback.result_count()); | |
115 } | |
116 | |
117 } // namespace | |
118 } // namespace mojo | |
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