llvm-project/libcxx/test/std/numerics/c.math/abs.fail.cpp

32 lines
1.0 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include <cmath>
#include "test_macros.h"
int main(int, char**)
{
unsigned int ui = -5;
ui = std::abs(ui); // expected-error {{call to 'abs' is ambiguous}}
unsigned char uc = -5;
uc = std::abs(uc); // expected-error {{taking the absolute value of unsigned type 'unsigned char' has no effect}}
unsigned short us = -5;
us = std::abs(us); // expected-error {{taking the absolute value of unsigned type 'unsigned short' has no effect}}
unsigned long ul = -5;
ul = std::abs(ul); // expected-error {{call to 'abs' is ambiguous}}
unsigned long long ull = -5;
ull = ::abs(ull); // expected-error {{call to 'abs' is ambiguous}}
return 0;
}