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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include <utility>
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
namespace {
// Tests that "currying" CrossThreadFunction and CrossThreadOnceFunction works,
// as it does with the base counterparts.
struct SomeFunctor;
static_assert(std::is_same<decltype(internal::CoerceFunctorForCrossThreadBind(
std::declval<SomeFunctor&>())),
SomeFunctor&>(),
"functor coercion should not affect Functor lvalue ref type");
static_assert(std::is_same<decltype(internal::CoerceFunctorForCrossThreadBind(
std::declval<SomeFunctor>())),
SomeFunctor&&>(),
"functor coercion should not affect Functor rvalue ref type");
TEST(CrossThreadFunctionalTest, CrossThreadBindRepeating_CrossThreadFunction) {
auto adder = CrossThreadBindRepeating([](int x, int y) { return x + y; });
auto five_adder = CrossThreadBindRepeating(std::move(adder), 5);
EXPECT_EQ(five_adder.Run(7), 12);
}
TEST(CrossThreadFunctionalTest, CrossThreadBindOnce_CrossThreadOnceFunction) {
auto adder = CrossThreadBindOnce([](int x, int y) { return x + y; });
auto five_adder = CrossThreadBindOnce(std::move(adder), 5);
EXPECT_EQ(std::move(five_adder).Run(7), 12);
}
TEST(CrossThreadFunctionalTest, CrossThreadBindOnce_CrossThreadFunction) {
auto adder = CrossThreadBindRepeating([](int x, int y) { return x + y; });
auto five_adder = CrossThreadBindOnce(std::move(adder), 5);
EXPECT_EQ(std::move(five_adder).Run(7), 12);
}
} // namespace
} // namespace blink
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