| Index: base/gmock_unittest.cc
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| diff --git a/base/gmock_unittest.cc b/base/gmock_unittest.cc
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..855380a97596903f1571739b884b29bc545cc04b
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| --- /dev/null
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| +++ b/base/gmock_unittest.cc
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| @@ -0,0 +1,137 @@
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| +// Copyright (c) 2009 The Chromium Authors. All rights reserved.
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| +// Use of this source code is governed by a BSD-style license that can be
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| +// found in the LICENSE file.
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| +//
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| +// This test is a simple sanity check to make sure gmock is able to build/link
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| +// correctly.  It just instantiates a mock object and runs through a couple of
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| +// the basic mock features.
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| +
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| +#include "testing/gmock/include/gmock/gmock.h"
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| +#include "testing/gtest/include/gtest/gtest.h"
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| +
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| +// Gmock matchers and actions that we use below.
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| +using testing::AnyOf;
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| +using testing::Eq;
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| +using testing::Return;
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| +using testing::SetArgumentPointee;
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| +using testing::WithArg;
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| +using testing::_;
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| +
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| +namespace {
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| +
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| +// Simple class that we can mock out the behavior for.  Everything is virtual
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| +// for easy mocking.
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| +class SampleClass {
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| + public:
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| +  SampleClass() {}
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| +  virtual ~SampleClass() {}
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| +
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| +  virtual int ReturnSomething() {
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| +    return -1;
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| +  }
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| +
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| +  virtual void ReturnNothingConstly() const {
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| +  }
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| +
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| +  virtual void OutputParam(int* a) {
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| +  }
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| +
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| +  virtual int ReturnSecond(int a, int b) {
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| +    return b;
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| +  }
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| +};
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| +
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| +// Declare a mock for the class.
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| +class MockSampleClass : public SampleClass {
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| + public:
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| +  MOCK_METHOD0(ReturnSomething, int());
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| +  MOCK_CONST_METHOD0(ReturnNothingConstly, void());
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| +  MOCK_METHOD1(OutputParam, void(int* a));
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| +  MOCK_METHOD2(ReturnSecond, int(int a, int b));
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| +};
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| +
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| +// Create a couple of custom actions.  Custom actions can be used for adding
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| +// more complex behavior into your mock...though if you start needing these, ask
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| +// if you're asking your mock to do too much.
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| +ACTION(ReturnVal) {
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| +  // Return the first argument received.
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| +  return arg0;
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| +}
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| +ACTION(ReturnSecond) {
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| +  // Returns the second argument.  This basically implemetns ReturnSecond.
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| +  return arg1;
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| +}
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| +
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| +TEST(GmockTest, SimpleMatchAndActions) {
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| +  // Basic test of some simple gmock matchers, actions, and cardinality
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| +  // expectations.
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| +  MockSampleClass mock;
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| +
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| +  EXPECT_CALL(mock, ReturnSomething())
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| +      .WillOnce(Return(1))
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| +      .WillOnce(Return(2))
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| +      .WillOnce(Return(3));
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| +  EXPECT_EQ(1, mock.ReturnSomething());
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| +  EXPECT_EQ(2, mock.ReturnSomething());
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| +  EXPECT_EQ(3, mock.ReturnSomething());
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| +
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| +  EXPECT_CALL(mock, ReturnNothingConstly()).Times(2);
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| +  mock.ReturnNothingConstly();
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| +  mock.ReturnNothingConstly();
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| +}
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| +
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| +TEST(GmockTest, AssignArgument) {
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| +  // Capture an argument for examination.
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| +  MockSampleClass mock;
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| +
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| +  EXPECT_CALL(mock, OutputParam(_))
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| +      .WillRepeatedly(SetArgumentPointee<0>(5));
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| +
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| +  int arg = 0;
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| +  mock.OutputParam(&arg);
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| +  EXPECT_EQ(5, arg);
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| +}
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| +
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| +TEST(GmockTest, SideEffects) {
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| +  // Capture an argument for examination.
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| +  MockSampleClass mock;
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| +
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| +  EXPECT_CALL(mock, OutputParam(_))
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| +      .WillRepeatedly(SetArgumentPointee<0>(5));
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| +
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| +  int arg = 0;
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| +  mock.OutputParam(&arg);
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| +  EXPECT_EQ(5, arg);
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| +}
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| +
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| +TEST(GmockTest, CustomAction_ReturnSecond) {
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| +  // Test a mock of the ReturnSecond behavior using an action that provides an
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| +  // alternate implementation of the function.  Danger here though, this is
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| +  // starting to add too much behavior of the mock, which means the mock
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| +  // implementation might start to have bugs itself.
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| +  MockSampleClass mock;
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| +
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| +  EXPECT_CALL(mock, ReturnSecond(_, AnyOf(Eq(4), Eq(5))))
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| +      .WillRepeatedly(ReturnSecond());
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| +  EXPECT_EQ(4, mock.ReturnSecond(-1, 4));
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| +  EXPECT_EQ(5, mock.ReturnSecond(0, 5));
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| +  EXPECT_EQ(4, mock.ReturnSecond(0xdeadbeef, 4));
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| +  EXPECT_EQ(4, mock.ReturnSecond(112358, 4));
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| +  EXPECT_EQ(5, mock.ReturnSecond(1337, 5));
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| +}
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| +
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| +TEST(GmockTest, CustomAction_ReturnVal) {
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| +  // Alternate implemention of ReturnSecond using a more general custom action,
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| +  // and a WithArg adapter to bridge the interfaces.
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| +  MockSampleClass mock;
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| +
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| +  EXPECT_CALL(mock, ReturnSecond(_, AnyOf(Eq(4), Eq(5))))
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| +      .WillRepeatedly(WithArg<1>(ReturnVal()));
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| +  EXPECT_EQ(4, mock.ReturnSecond(-1, 4));
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| +  EXPECT_EQ(5, mock.ReturnSecond(0, 5));
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| +  EXPECT_EQ(4, mock.ReturnSecond(0xdeadbeef, 4));
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| +  EXPECT_EQ(4, mock.ReturnSecond(112358, 4));
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| +  EXPECT_EQ(5, mock.ReturnSecond(1337, 5));
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| +}
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| +
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| +}  // namespace
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| 
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