Hristo Hristov 11a1fc412b
[libc++][NFC] Refactor std::array's verify.cpp tests (#173455)
This came up in a review previously: replaces `main()` in some
`verify.cpp` tests.
2025-12-25 14:06:05 +02:00

57 lines
1.8 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
//
//===----------------------------------------------------------------------===//
// <array>
// template <class T, size_t N>
// bool operator==(const array<T,N>& x, const array<T,N>& y); // constexpr in C++20
// template <class T, size_t N>
// bool operator!=(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator<(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator>(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator<=(const array<T,N>& x, const array<T,N>& y); // removed in C++20
// template <class T, size_t N>
// bool operator>=(const array<T,N>& x, const array<T,N>& y); // removed in C++20
#include <array>
#include "test_macros.h"
template <int>
struct NoCompare {};
void test() {
{
typedef NoCompare<0> T;
typedef std::array<T, 3> C;
C c1 = {{}};
// expected-error@*:* 2 {{invalid operands to binary expression}}
TEST_IGNORE_NODISCARD(c1 == c1);
TEST_IGNORE_NODISCARD(c1 < c1);
}
{
typedef NoCompare<1> T;
typedef std::array<T, 3> C;
C c1 = {{}};
// expected-error@*:* 2 {{invalid operands to binary expression}}
TEST_IGNORE_NODISCARD(c1 != c1);
TEST_IGNORE_NODISCARD(c1 > c1);
}
{
typedef NoCompare<2> T;
typedef std::array<T, 0> C;
C c1 = {{}};
// expected-error@*:* 2 {{invalid operands to binary expression}}
TEST_IGNORE_NODISCARD(c1 == c1);
TEST_IGNORE_NODISCARD(c1 < c1);
}
}