3f05377d57
The aim of this patch is to remove the assumption that the character 'a' is always 97. In turn, this patch explicitly uses the character values to account for the EBCDIC 'a' that is not 97. Differential Revision: https://reviews.llvm.org/D108321
55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: libcpp-has-no-threads
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// UNSUPPORTED: c++03
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// <future>
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// class packaged_task<R(ArgTypes...)>
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// void swap(packaged_task& other);
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#include <future>
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#include <cassert>
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#include "test_macros.h"
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class A
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{
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long data_;
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public:
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explicit A(long i) : data_(i) {}
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long operator()(long i, long j) const {return data_ + i + j;}
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};
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int main(int, char**)
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{
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{
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std::packaged_task<double(int, char)> p0(A(5));
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std::packaged_task<double(int, char)> p;
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p.swap(p0);
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assert(!p0.valid());
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assert(p.valid());
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std::future<double> f = p.get_future();
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p(3, 97);
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assert(f.get() == 105.0);
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}
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{
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std::packaged_task<double(int, char)> p0;
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std::packaged_task<double(int, char)> p;
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p.swap(p0);
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assert(!p0.valid());
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assert(!p.valid());
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}
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return 0;
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}
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