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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: c++03, c++11, c++14, c++17, c++20
// TODO FMT This test should not require std::to_chars(floating-point)
// XFAIL: availability-fp_to_chars-missing
#include <format>
#include <utility>
#include <tuple>
#include "test_macros.h"
// clang-format off
void f() {
TEST_IGNORE_NODISCARD std::format("{::}", std::make_tuple(0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format("{::^}", std::make_tuple(0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format("{:+}", std::make_pair(0, 0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format("{:m}", std::make_tuple(0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format("{:m}", std::make_tuple(0, 0, 0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
TEST_IGNORE_NODISCARD std::format(L"{::}", std::make_tuple(0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format(L"{::^}", std::make_tuple(0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format(L"{:+}", std::make_pair(0, 0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format(L"{:m}", std::make_tuple(0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
TEST_IGNORE_NODISCARD std::format(L"{:m}", std::make_tuple(0, 0, 0)); // expected-error-re{{call to consteval function '{{.*}}' is not a constant expression}}
// expected-note@*:* {{non-constexpr function '__throw_format_error' cannot be used in a constant expression}}
#endif
}
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