// 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. // This is a "No Compile Test" suite. // http://dev.chromium.org/developers/testing/no-compile-tests #include "base/task/bind_post_task.h" #include "base/bind.h" #include "base/callback.h" #include "base/threading/sequenced_task_runner_handle.h" namespace base { int ReturnInt() { return 5; } #if defined(NCTEST_ONCE_NON_VOID_RETURN) // [r"fatal error: static assertion failed due to requirement 'std::is_same::value': OnceCallback must have void return type in order to produce a closure for PostTask\(\). Use base::IgnoreResult\(\) to drop the return value if desired."] // OnceCallback with non-void return type. void WontCompile() { OnceCallback cb = BindOnce(&ReturnInt); auto post_cb = BindPostTask(SequencedTaskRunnerHandle::Get(), std::move(cb)); std::move(post_cb).Run(); } #elif defined(NCTEST_REPEATING_NON_VOID_RETURN) // [r"fatal error: static assertion failed due to requirement 'std::is_same::value': RepeatingCallback must have void return type in order to produce a closure for PostTask\(\). Use base::IgnoreResult\(\) to drop the return value if desired."] // RepeatingCallback with non-void return type. void WontCompile() { RepeatingCallback cb = BindRepeating(&ReturnInt); auto post_cb = BindPostTask(SequencedTaskRunnerHandle::Get(), std::move(cb)); std::move(post_cb).Run(); } #endif } // namespace base