1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
|
//===----------------------------------------------------------------------===//
//
// 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: c++03, c++11, c++14
// <any>
// any::has_value() noexcept
#include <any>
#include <cassert>
#include "test_macros.h"
#include "any_helpers.h"
int main(int, char**)
{
{
std::any a;
ASSERT_NOEXCEPT(a.has_value());
}
// empty
{
std::any a;
assert(!a.has_value());
a.reset();
assert(!a.has_value());
a = 42;
assert(a.has_value());
}
// small object
{
std::any a = small(1);
assert(a.has_value());
a.reset();
assert(!a.has_value());
a = small(1);
assert(a.has_value());
}
// large object
{
std::any a = large(1);
assert(a.has_value());
a.reset();
assert(!a.has_value());
a = large(1);
assert(a.has_value());
}
return 0;
}
|