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| 1 // Copyright 2015 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 "blimp/net/blimp_message_thread_pipe.h" | |
| 6 | |
| 7 #include "base/location.h" | |
| 8 #include "base/memory/ptr_util.h" | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "base/message_loop/message_loop.h" | |
| 11 #include "base/threading/thread.h" | |
| 12 #include "blimp/net/null_blimp_message_processor.h" | |
| 13 #include "blimp/net/test_common.h" | |
| 14 #include "net/base/net_errors.h" | |
| 15 #include "net/base/test_completion_callback.h" | |
| 16 #include "testing/gmock/include/gmock/gmock.h" | |
| 17 #include "testing/gtest/include/gtest/gtest.h" | |
| 18 | |
| 19 using testing::_; | |
| 20 using testing::SaveArg; | |
| 21 | |
| 22 namespace blimp { | |
| 23 | |
| 24 class BlimpMessageThreadPipeTest : public testing::Test { | |
| 25 public: | |
| 26 BlimpMessageThreadPipeTest() : thread_("PipeThread") {} | |
| 27 | |
| 28 ~BlimpMessageThreadPipeTest() override {} | |
| 29 | |
| 30 void SetUp() override { | |
| 31 // Start the target processor thread and initialize the pipe & proxy. | |
| 32 // Note that none of this will "touch" the target processor, so it's | |
| 33 // safe to do here, before EXPECT_CALL() expectations are set up. | |
| 34 ASSERT_TRUE(thread_.Start()); | |
| 35 pipe_ = base::MakeUnique<BlimpMessageThreadPipe>(thread_.task_runner()); | |
| 36 proxy_ = pipe_->CreateProxy(); | |
| 37 | |
| 38 thread_.task_runner()->PostTask( | |
| 39 FROM_HERE, base::Bind(&BlimpMessageThreadPipe::set_target_processor, | |
| 40 base::Unretained(pipe_.get()), &null_processor_)); | |
| 41 } | |
| 42 | |
| 43 void TearDown() override { | |
| 44 // If |pipe_| is still active, tear it down safely on |thread_|. | |
| 45 if (pipe_) | |
| 46 DeletePipeOnThread(); | |
| 47 | |
| 48 // Synchronize with |thread_| to ensure that any pending work is done. | |
| 49 SynchronizeWithThread(); | |
| 50 } | |
| 51 | |
| 52 MOCK_METHOD1(MockCompletionCallback, void(int)); | |
| 53 | |
| 54 void DeletePipeOnThread() { | |
| 55 thread_.task_runner()->DeleteSoon(FROM_HERE, pipe_.release()); | |
| 56 } | |
| 57 | |
| 58 void SynchronizeWithThread() { | |
| 59 net::TestCompletionCallback cb; | |
| 60 thread_.task_runner()->PostTaskAndReply(FROM_HERE, | |
| 61 base::Bind(&base::DoNothing), | |
| 62 base::Bind(cb.callback(), net::OK)); | |
| 63 ASSERT_EQ(net::OK, cb.WaitForResult()); | |
| 64 } | |
| 65 | |
| 66 protected: | |
| 67 base::MessageLoop message_loop_; | |
| 68 | |
| 69 NullBlimpMessageProcessor null_processor_; | |
| 70 | |
| 71 std::unique_ptr<BlimpMessageThreadPipe> pipe_; | |
| 72 std::unique_ptr<BlimpMessageProcessor> proxy_; | |
| 73 | |
| 74 base::Thread thread_; | |
| 75 }; | |
| 76 | |
| 77 TEST_F(BlimpMessageThreadPipeTest, ProcessMessage) { | |
| 78 EXPECT_CALL(*this, MockCompletionCallback(_)).Times(1); | |
| 79 | |
| 80 // Pass a message to the proxy for processing. | |
| 81 proxy_->ProcessMessage( | |
| 82 base::WrapUnique(new BlimpMessage), | |
| 83 base::Bind(&BlimpMessageThreadPipeTest::MockCompletionCallback, | |
| 84 base::Unretained(this))); | |
| 85 } | |
| 86 | |
| 87 TEST_F(BlimpMessageThreadPipeTest, DeleteProxyBeforeCompletion) { | |
| 88 EXPECT_CALL(*this, MockCompletionCallback(_)).Times(0); | |
| 89 | |
| 90 // Pass a message to the proxy, but then immediately delete the proxy. | |
| 91 proxy_->ProcessMessage( | |
| 92 base::WrapUnique(new BlimpMessage), | |
| 93 base::Bind(&BlimpMessageThreadPipeTest::MockCompletionCallback, | |
| 94 base::Unretained(this))); | |
| 95 proxy_ = nullptr; | |
| 96 } | |
| 97 | |
| 98 TEST_F(BlimpMessageThreadPipeTest, DeletePipeBeforeProcessMessage) { | |
| 99 EXPECT_CALL(*this, MockCompletionCallback(_)).Times(1); | |
| 100 | |
| 101 // Tear down the pipe (on |thread_|) between two ProcessMessage calls. | |
| 102 proxy_->ProcessMessage( | |
| 103 base::WrapUnique(new BlimpMessage), | |
| 104 base::Bind(&BlimpMessageThreadPipeTest::MockCompletionCallback, | |
| 105 base::Unretained(this))); | |
| 106 DeletePipeOnThread(); | |
| 107 proxy_->ProcessMessage( | |
| 108 base::WrapUnique(new BlimpMessage), | |
| 109 base::Bind(&BlimpMessageThreadPipeTest::MockCompletionCallback, | |
| 110 base::Unretained(this))); | |
| 111 } | |
| 112 | |
| 113 TEST_F(BlimpMessageThreadPipeTest, NullCompletionCallback) { | |
| 114 // Don't expect the mock to be called, but do expect not to crash. | |
| 115 EXPECT_CALL(*this, MockCompletionCallback(_)).Times(0); | |
| 116 | |
| 117 proxy_->ProcessMessage(base::WrapUnique(new BlimpMessage), | |
| 118 net::CompletionCallback()); | |
| 119 } | |
| 120 | |
| 121 } // namespace blimp | |
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