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| 1 // Copyright 2013 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/bindings/lib/remote_ptr.h" | |
| 6 #include "mojo/public/tests/simple_bindings_support.h" | |
| 7 #include "mojom/math_calculator.h" | |
| 8 #include "testing/gtest/include/gtest/gtest.h" | |
| 9 | |
| 10 namespace mojo { | |
| 11 namespace test { | |
| 12 | |
| 13 class MathCalculatorImpl : public math::Calculator { | |
| 14 public: | |
| 15 virtual ~MathCalculatorImpl() {} | |
| 16 | |
| 17 explicit MathCalculatorImpl(ScopedMessagePipeHandle pipe) | |
| 18 : ui_(pipe.Pass(), this), | |
| 19 total_(0.0) { | |
| 20 } | |
| 21 | |
| 22 virtual void Clear() MOJO_OVERRIDE { | |
| 23 ui_->Output(total_); | |
| 24 } | |
| 25 | |
| 26 virtual void Add(double value) MOJO_OVERRIDE { | |
| 27 total_ += value; | |
| 28 ui_->Output(total_); | |
| 29 } | |
| 30 | |
| 31 virtual void Multiply(double value) MOJO_OVERRIDE { | |
| 32 total_ *= value; | |
| 33 ui_->Output(total_); | |
| 34 } | |
| 35 | |
| 36 private: | |
| 37 RemotePtr<math::CalculatorUI> ui_; | |
| 38 double total_; | |
| 39 }; | |
| 40 | |
| 41 class MathCalculatorUIImpl : public math::CalculatorUI { | |
| 42 public: | |
| 43 explicit MathCalculatorUIImpl(ScopedMessagePipeHandle pipe) | |
| 44 : calculator_(pipe.Pass(), this), | |
| 45 output_(0.0) { | |
| 46 } | |
| 47 | |
| 48 bool encountered_error() const { | |
| 49 return calculator_.encountered_error(); | |
| 50 } | |
| 51 | |
| 52 void Add(double value) { | |
| 53 calculator_->Add(value); | |
| 54 } | |
| 55 | |
| 56 void Subtract(double value) { | |
| 57 calculator_->Add(-value); | |
| 58 } | |
| 59 | |
| 60 void Multiply(double value) { | |
| 61 calculator_->Multiply(value); | |
| 62 } | |
| 63 | |
| 64 void Divide(double value) { | |
| 65 calculator_->Multiply(1.0 / value); | |
| 66 } | |
| 67 | |
| 68 double GetOutput() const { | |
| 69 return output_; | |
| 70 } | |
| 71 | |
| 72 private: | |
| 73 // math::CalculatorUI implementation: | |
| 74 virtual void Output(double value) MOJO_OVERRIDE { | |
| 75 output_ = value; | |
| 76 } | |
| 77 | |
| 78 RemotePtr<math::Calculator> calculator_; | |
| 79 double output_; | |
| 80 }; | |
| 81 | |
| 82 class BindingsRemotePtrTest : public testing::Test { | |
| 83 public: | |
| 84 BindingsRemotePtrTest() { | |
| 85 CreateMessagePipe(&pipe0_, &pipe1_); | |
| 86 } | |
| 87 | |
| 88 virtual ~BindingsRemotePtrTest() { | |
| 89 } | |
| 90 | |
| 91 void PumpMessages() { | |
| 92 bindings_support_.Process(); | |
| 93 } | |
| 94 | |
| 95 protected: | |
| 96 ScopedMessagePipeHandle pipe0_; | |
| 97 ScopedMessagePipeHandle pipe1_; | |
| 98 | |
| 99 private: | |
| 100 SimpleBindingsSupport bindings_support_; | |
| 101 }; | |
| 102 | |
| 103 TEST_F(BindingsRemotePtrTest, EndToEnd) { | |
| 104 // Suppose this is instantiated in a process that has pipe0_. | |
| 105 MathCalculatorImpl calculator(pipe0_.Pass()); | |
| 106 | |
| 107 // Suppose this is instantiated in a process that has pipe1_. | |
| 108 MathCalculatorUIImpl calculator_ui(pipe1_.Pass()); | |
| 109 | |
| 110 calculator_ui.Add(2.0); | |
| 111 calculator_ui.Multiply(5.0); | |
| 112 | |
| 113 PumpMessages(); | |
| 114 | |
| 115 EXPECT_EQ(10.0, calculator_ui.GetOutput()); | |
| 116 } | |
| 117 | |
| 118 TEST_F(BindingsRemotePtrTest, Movable) { | |
| 119 RemotePtr<math::Calculator> a; | |
| 120 RemotePtr<math::Calculator> b(pipe0_.Pass(), NULL); | |
| 121 | |
| 122 EXPECT_TRUE(a.is_null()); | |
| 123 EXPECT_FALSE(b.is_null()); | |
| 124 | |
| 125 a = b.Pass(); | |
| 126 | |
| 127 EXPECT_FALSE(a.is_null()); | |
| 128 EXPECT_TRUE(b.is_null()); | |
| 129 } | |
| 130 | |
| 131 TEST_F(BindingsRemotePtrTest, Resettable) { | |
| 132 RemotePtr<math::Calculator> a; | |
| 133 | |
| 134 EXPECT_TRUE(a.is_null()); | |
| 135 | |
| 136 MessagePipeHandle handle = pipe0_.get(); | |
| 137 | |
| 138 a.reset(pipe0_.Pass(), NULL); | |
| 139 | |
| 140 EXPECT_FALSE(a.is_null()); | |
| 141 | |
| 142 a.reset(); | |
| 143 | |
| 144 EXPECT_TRUE(a.is_null()); | |
| 145 | |
| 146 // Test that handle was closed. | |
| 147 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, CloseRaw(handle)); | |
| 148 } | |
| 149 | |
| 150 TEST_F(BindingsRemotePtrTest, EncounteredError) { | |
| 151 MathCalculatorImpl* calculator = new MathCalculatorImpl(pipe0_.Pass()); | |
| 152 | |
| 153 MathCalculatorUIImpl calculator_ui(pipe1_.Pass()); | |
| 154 | |
| 155 calculator_ui.Add(2.0); | |
| 156 PumpMessages(); | |
| 157 EXPECT_EQ(2.0, calculator_ui.GetOutput()); | |
| 158 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 159 | |
| 160 calculator_ui.Multiply(5.0); | |
| 161 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 162 | |
| 163 // Close the other side of the pipe. | |
| 164 delete calculator; | |
| 165 | |
| 166 // The state change isn't picked up locally yet. | |
| 167 EXPECT_FALSE(calculator_ui.encountered_error()); | |
| 168 | |
| 169 PumpMessages(); | |
| 170 | |
| 171 // OK, now we see the error. | |
| 172 EXPECT_TRUE(calculator_ui.encountered_error()); | |
| 173 } | |
| 174 | |
| 175 } // namespace test | |
| 176 } // namespace mojo | |
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