55 lines
2.6 KiB
Plaintext
55 lines
2.6 KiB
Plaintext
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// Copyright 2020 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This is a "No Compile Test" suite.
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// http://dev.chromium.org/developers/testing/no-compile-tests
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#include "base/task/bind_post_task.h"
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#include "base/task/sequenced_task_runner.h"
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#include "base/functional/bind.h"
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#include "base/functional/callback.h"
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namespace base {
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int ReturnInt() {
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return 5;
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}
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#if defined(NCTEST_ONCE_NON_VOID_RETURN_BIND_POST_TASK) // [r"fatal error: static assertion failed due to requirement 'std::is_same<int, void>::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."]
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// OnceCallback with non-void return type.
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void WontCompile() {
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OnceCallback<int()> cb = BindOnce(&ReturnInt);
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auto post_cb = BindPostTask(SequencedTaskRunner::GetCurrentDefault(), std::move(cb));
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std::move(post_cb).Run();
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}
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#elif defined(NCTEST_REPEATING_NON_VOID_RETURN_BIND_POST_TASK) // [r"fatal error: static assertion failed due to requirement 'std::is_same<int, void>::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."]
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// RepeatingCallback with non-void return type.
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void WontCompile() {
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RepeatingCallback<int()> cb = BindRepeating(&ReturnInt);
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auto post_cb = BindPostTask(SequencedTaskRunner::GetCurrentDefault(), std::move(cb));
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std::move(post_cb).Run();
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}
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#elif defined(NCTEST_ONCE_NON_VOID_RETURN_BIND_POST_TASK_TO_CURRENT_DEFAULT) // [r"fatal error: static assertion failed due to requirement 'std::is_same<int, void>::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."]
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// OnceCallback with non-void return type.
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void WontCompile() {
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OnceCallback<int()> cb = BindOnce(&ReturnInt);
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auto post_cb = BindPostTaskToCurrentDefault(std::move(cb));
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std::move(post_cb).Run();
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}
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#elif defined(NCTEST_REPEATING_NON_VOID_RETURN_BIND_POST_TASK_TO_CURRENT_DEFAULT) // [r"fatal error: static assertion failed due to requirement 'std::is_same<int, void>::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."]
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// RepeatingCallback with non-void return type.
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void WontCompile() {
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RepeatingCallback<int()> cb = BindRepeating(&ReturnInt);
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auto post_cb = BindPostTaskToCurrentDefault(std::move(cb));
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std::move(post_cb).Run();
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}
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#endif
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} // namespace base
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