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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/state_matrix.h"
#include "testing/gmock/include/gmock/gmock.h"
using ::testing::Return;
namespace media {
class MockStateHandler {
public:
enum State {
A,
B,
C,
};
MOCK_METHOD0(HandleA, int());
MOCK_METHOD0(HandleB, int());
MOCK_METHOD0(HandleC, int());
};
TEST(StateMatrixTest, AddState) {
MockStateHandler handler;
StateMatrix sm;
EXPECT_FALSE(sm.IsStateDefined(MockStateHandler::A));
EXPECT_FALSE(sm.IsStateDefined(MockStateHandler::B));
EXPECT_FALSE(sm.IsStateDefined(MockStateHandler::C));
sm.AddState(MockStateHandler::A, &MockStateHandler::HandleA);
EXPECT_TRUE(sm.IsStateDefined(MockStateHandler::A));
EXPECT_FALSE(sm.IsStateDefined(MockStateHandler::B));
EXPECT_FALSE(sm.IsStateDefined(MockStateHandler::C));
}
TEST(StateMatrixTest, ExecuteHandler) {
MockStateHandler handler;
StateMatrix sm;
sm.AddState(MockStateHandler::A, &MockStateHandler::HandleA);
EXPECT_CALL(handler, HandleA())
.WillOnce(Return(MockStateHandler::B));
EXPECT_EQ(MockStateHandler::B,
sm.ExecuteHandler(&handler, MockStateHandler::A));
}
} // namespace media
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