a652172d86
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@112061 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <future>
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// class future_error
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// const char* what() const throw();
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#include <future>
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#include <cstring>
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#include <cassert>
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int main()
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{
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{
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std::future_error f(std::make_error_code(std::future_errc::broken_promise));
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assert(std::strcmp(f.what(), "The associated promise has been destructed prior "
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"to the associated state becoming ready.") == 0);
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}
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{
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std::future_error f(std::make_error_code(std::future_errc::future_already_retrieved));
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assert(std::strcmp(f.what(), "The future has already been retrieved from "
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"the promise or packaged_task.") == 0);
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}
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{
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std::future_error f(std::make_error_code(std::future_errc::promise_already_satisfied));
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assert(std::strcmp(f.what(), "The state of the promise has already been set.") == 0);
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}
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{
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std::future_error f(std::make_error_code(std::future_errc::no_state));
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assert(std::strcmp(f.what(), "Operation not permitted on an object without "
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"an associated state.") == 0);
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}
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}
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