libcxx/test/std/thread/futures/futures.errors/future_category.pass.cpp


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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: no-threads

// <future>

// const error_category& future_category();

#include <future>
#include <cstring>
#include <cassert>

#include "test_macros.h"

// See https://llvm.org/D65667
struct StaticInit {
    const std::error_category* ec;
    ~StaticInit() {
        assert(std::strcmp(ec->name(), "future") == 0);
    }
};
static StaticInit foo;

int main(int, char**)
{
    {
        const std::error_category& ec = std::future_category();
        assert(std::strcmp(ec.name(), "future") == 0);
    }

    {
        foo.ec = &std::future_category();
        assert(std::strcmp(foo.ec->name(), "future") == 0);
    }

    return 0;
}