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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/test/mock_callback.h"
#include "base/functional/callback.h"
#include "testing/gmock/include/gmock/gmock.h"
using testing::InSequence;
using testing::Return;
namespace base {
namespace {
TEST(MockCallbackTest, ZeroArgs) {
MockCallback<RepeatingClosure> mock_closure;
EXPECT_CALL(mock_closure, Run());
mock_closure.Get().Run();
MockCallback<RepeatingCallback<int()>> mock_int_callback;
{
InSequence sequence;
EXPECT_CALL(mock_int_callback, Run()).WillOnce(Return(42));
EXPECT_CALL(mock_int_callback, Run()).WillOnce(Return(88));
}
EXPECT_EQ(42, mock_int_callback.Get().Run());
EXPECT_EQ(88, mock_int_callback.Get().Run());
}
TEST(MockCallbackTest, WithArgs) {
MockCallback<RepeatingCallback<int(int, int)>> mock_two_int_callback;
EXPECT_CALL(mock_two_int_callback, Run(1, 2)).WillOnce(Return(42));
EXPECT_CALL(mock_two_int_callback, Run(0, 0)).WillRepeatedly(Return(-1));
RepeatingCallback<int(int, int)> two_int_callback =
mock_two_int_callback.Get();
EXPECT_EQ(-1, two_int_callback.Run(0, 0));
EXPECT_EQ(42, two_int_callback.Run(1, 2));
EXPECT_EQ(-1, two_int_callback.Run(0, 0));
}
TEST(MockCallbackTest, ZeroArgsOnce) {
MockCallback<OnceClosure> mock_closure;
EXPECT_CALL(mock_closure, Run());
mock_closure.Get().Run();
MockCallback<OnceCallback<int()>> mock_int_callback;
EXPECT_CALL(mock_int_callback, Run()).WillOnce(Return(88));
EXPECT_EQ(88, mock_int_callback.Get().Run());
}
TEST(MockCallbackTest, WithArgsOnce) {
MockCallback<OnceCallback<int(int, int)>> mock_two_int_callback;
EXPECT_CALL(mock_two_int_callback, Run(1, 2)).WillOnce(Return(42));
OnceCallback<int(int, int)> two_int_callback = mock_two_int_callback.Get();
EXPECT_EQ(42, std::move(two_int_callback).Run(1, 2));
}
TEST(MockCallbackTest, Typedefs) {
static_assert(std::is_same_v<MockCallback<RepeatingCallback<int()>>,
MockRepeatingCallback<int()>>,
"Repeating typedef differs for zero args");
static_assert(std::is_same_v<MockCallback<RepeatingCallback<int(int, int)>>,
MockRepeatingCallback<int(int, int)>>,
"Repeating typedef differs for multiple args");
static_assert(std::is_same_v<MockCallback<RepeatingCallback<void()>>,
MockRepeatingClosure>,
"Repeating typedef differs for closure");
static_assert(std::is_same_v<MockCallback<OnceCallback<int()>>,
MockOnceCallback<int()>>,
"Once typedef differs for zero args");
static_assert(std::is_same_v<MockCallback<OnceCallback<int(int, int)>>,
MockOnceCallback<int(int, int)>>,
"Once typedef differs for multiple args");
static_assert(std::is_same_v<MockCallback<RepeatingCallback<void()>>,
MockRepeatingClosure>,
"Once typedef differs for closure");
}
} // namespace
} // namespace base
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