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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 "mojo/public/cpp/bindings/callback.h" | |
| 6 #include "mojo/public/cpp/environment/async_waiter.h" | |
| 7 #include "mojo/public/cpp/test_support/test_utils.h" | |
| 8 #include "mojo/public/cpp/utility/run_loop.h" | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 | |
| 11 namespace mojo { | |
| 12 namespace { | |
| 13 | |
| 14 class TestAsyncWaitCallback { | |
| 15 public: | |
| 16 TestAsyncWaitCallback() : result_count_(0), last_result_(MOJO_RESULT_OK) {} | |
| 17 ~TestAsyncWaitCallback() {} | |
| 18 | |
| 19 int result_count() const { return result_count_; } | |
| 20 | |
| 21 MojoResult last_result() const { return last_result_; } | |
| 22 | |
| 23 void OnHandleReady(MojoResult result) { | |
| 24 result_count_++; | |
| 25 last_result_ = result; | |
| 26 } | |
| 27 | |
| 28 private: | |
| 29 int result_count_; | |
| 30 MojoResult last_result_; | |
| 31 | |
| 32 MOJO_DISALLOW_COPY_AND_ASSIGN(TestAsyncWaitCallback); | |
| 33 }; | |
| 34 | |
| 35 // Manual code to create a callback since we don't have mojo::Bind yet. | |
| 36 class ManualCallback { | |
| 37 public: | |
| 38 explicit ManualCallback(TestAsyncWaitCallback* callback) | |
| 39 : callback_(callback) {} | |
| 40 | |
| 41 void Run(MojoResult result) const { callback_->OnHandleReady(result); } | |
| 42 | |
| 43 private: | |
| 44 TestAsyncWaitCallback* callback_; | |
| 45 }; | |
| 46 | |
| 47 class AsyncWaiterTest : public testing::Test { | |
| 48 public: | |
| 49 AsyncWaiterTest() {} | |
| 50 | |
| 51 private: | |
| 52 Environment environment_; | |
| 53 RunLoop run_loop_; | |
| 54 | |
| 55 MOJO_DISALLOW_COPY_AND_ASSIGN(AsyncWaiterTest); | |
| 56 }; | |
| 57 | |
| 58 // Verifies AsyncWaitCallback is notified when pipe is ready. | |
| 59 TEST_F(AsyncWaiterTest, CallbackNotified) { | |
| 60 TestAsyncWaitCallback callback; | |
| 61 MessagePipe test_pipe; | |
| 62 EXPECT_TRUE(test::WriteTextMessage(test_pipe.handle1.get(), std::string())); | |
| 63 | |
| 64 AsyncWaiter waiter(test_pipe.handle0.get(), MOJO_HANDLE_SIGNAL_READABLE, | |
| 65 ManualCallback(&callback)); | |
| 66 RunLoop::current()->Run(); | |
| 67 EXPECT_EQ(1, callback.result_count()); | |
| 68 EXPECT_EQ(MOJO_RESULT_OK, callback.last_result()); | |
| 69 } | |
| 70 | |
| 71 // Verifies 2 AsyncWaitCallbacks are notified when there pipes are ready. | |
| 72 TEST_F(AsyncWaiterTest, TwoCallbacksNotified) { | |
| 73 TestAsyncWaitCallback callback1; | |
| 74 TestAsyncWaitCallback callback2; | |
| 75 MessagePipe test_pipe1; | |
| 76 MessagePipe test_pipe2; | |
| 77 EXPECT_TRUE(test::WriteTextMessage(test_pipe1.handle1.get(), std::string())); | |
| 78 EXPECT_TRUE(test::WriteTextMessage(test_pipe2.handle1.get(), std::string())); | |
| 79 | |
| 80 AsyncWaiter waiter1(test_pipe1.handle0.get(), MOJO_HANDLE_SIGNAL_READABLE, | |
| 81 ManualCallback(&callback1)); | |
| 82 AsyncWaiter waiter2(test_pipe2.handle0.get(), MOJO_HANDLE_SIGNAL_READABLE, | |
| 83 ManualCallback(&callback2)); | |
| 84 | |
| 85 RunLoop::current()->Run(); | |
| 86 EXPECT_EQ(1, callback1.result_count()); | |
| 87 EXPECT_EQ(MOJO_RESULT_OK, callback1.last_result()); | |
| 88 EXPECT_EQ(1, callback2.result_count()); | |
| 89 EXPECT_EQ(MOJO_RESULT_OK, callback2.last_result()); | |
| 90 } | |
| 91 | |
| 92 // Verifies cancel works. | |
| 93 TEST_F(AsyncWaiterTest, CancelCallback) { | |
| 94 TestAsyncWaitCallback callback; | |
| 95 MessagePipe test_pipe; | |
| 96 EXPECT_TRUE(test::WriteTextMessage(test_pipe.handle1.get(), std::string())); | |
| 97 | |
| 98 { | |
| 99 AsyncWaiter waiter(test_pipe.handle0.get(), MOJO_HANDLE_SIGNAL_READABLE, | |
| 100 ManualCallback(&callback)); | |
| 101 } | |
| 102 RunLoop::current()->Run(); | |
| 103 EXPECT_EQ(0, callback.result_count()); | |
| 104 } | |
| 105 | |
| 106 } // namespace | |
| 107 } // namespace mojo | |
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