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// Copyright (c) 2012 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 "base/bind.h"
#include "chrome/installer/util/callback_work_item.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// A callback that always fails (returns false).
bool TestFailureCallback(const CallbackWorkItem& work_item) {
return false;
}
} // namespace
// Test that the work item returns false when a callback returns failure.
TEST(CallbackWorkItemTest, TestFailure) {
CallbackWorkItem work_item(base::Bind(&TestFailureCallback));
EXPECT_FALSE(work_item.Do());
}
namespace {
enum TestCallbackState {
TCS_UNDEFINED,
TCS_CALLED_FORWARD,
TCS_CALLED_ROLLBACK,
};
// A callback that sets |state| according to whether it is rolling forward or
// backward.
bool TestForwardBackwardCallback(TestCallbackState* state,
const CallbackWorkItem& work_item) {
*state = work_item.IsRollback() ? TCS_CALLED_ROLLBACK : TCS_CALLED_FORWARD;
return true;
}
} // namespace
// Test that the callback is invoked correclty during Do() and Rollback().
TEST(CallbackWorkItemTest, TestForwardBackward) {
TestCallbackState state = TCS_UNDEFINED;
CallbackWorkItem work_item(base::Bind(&TestForwardBackwardCallback, &state));
EXPECT_TRUE(work_item.Do());
EXPECT_EQ(TCS_CALLED_FORWARD, state);
work_item.Rollback();
EXPECT_EQ(TCS_CALLED_ROLLBACK, state);
}
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