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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/installer/util/callback_work_item.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/test/bind.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// A callback that always fails (returns false).
bool TestFailureCallback(const CallbackWorkItem& item) {
return false;
}
} // namespace
// Test that the work item returns false when a callback returns failure.
TEST(CallbackWorkItemTest, TestFailure) {
CallbackWorkItem work_item(base::BindOnce(&TestFailureCallback),
base::DoNothing());
EXPECT_FALSE(work_item.Do());
}
namespace {
enum TestCallbackState {
TCS_UNDEFINED,
TCS_CALLED_FORWARD,
TCS_CALLED_ROLLBACK,
};
} // namespace
// Test that the callback is invoked correctly during Do() and Rollback().
TEST(CallbackWorkItemTest, TestForwardBackward) {
TestCallbackState state = TCS_UNDEFINED;
CallbackWorkItem work_item(
base::BindLambdaForTesting([&](const CallbackWorkItem& item) -> bool {
state = TCS_CALLED_FORWARD;
return true;
}),
base::BindLambdaForTesting(
[&](const CallbackWorkItem& item) { state = TCS_CALLED_ROLLBACK; }));
EXPECT_TRUE(work_item.Do());
EXPECT_EQ(TCS_CALLED_FORWARD, state);
work_item.Rollback();
EXPECT_EQ(TCS_CALLED_ROLLBACK, state);
}
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