1234567891011121314151617181920212223 |
- // Copyright 2020 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/functional/not_fn.h"
- #include <functional>
- #include "testing/gtest/include/gtest/gtest.h"
- namespace base {
- TEST(FunctionalTest, NotFn) {
- constexpr auto not_less = base::not_fn(std::less<>());
- using NotLessT = decltype(not_less);
- static_assert(static_cast<const NotLessT&>(not_less)(1, 1), "");
- static_assert(static_cast<NotLessT&>(not_less)(2, 1), "");
- static_assert(static_cast<const NotLessT&&>(not_less)(2, 2), "");
- static_assert(!static_cast<NotLessT&&>(not_less)(1, 2), "");
- }
- } // namespace base
|