| 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 @@
|
| +// 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
|
| +// 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
|
| +// the basic mock features.
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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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| +
|
| +// 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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| +
|
| +namespace {
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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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| +
|
| + 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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| +
|
| +// 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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| +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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| +
|
| +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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| +
|
| +} // namespace
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|
|