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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
// UNSUPPORTED: no-filesystem
// UNSUPPORTED: libcpp-has-no-unicode
// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
// XFAIL: availability-fp_to_chars-missing
// <print>
// void vprint_unicode(string_view fmt, format_args args);
// Testing this properly is quite hard; the function unconditionally
// writes to stdout. When stdout is redirected to a file it is no longer
// considered a terminal. The function is a small wrapper around
//
// void vprint_unicode(FILE* stream, string_view fmt, format_args args);
//
// So do minimal tests for this function and rely on the FILE* overload
// to do more testing.
//
// The testing is based on the testing for std::cout.
// RUN: %{build}
// RUN: echo -n "1234 一二三四 true 0x0" > %t.expected
// RUN: %{exec} %t.exe > %t.actual
// RUN: diff -u %t.actual %t.expected
#include <print>
int main(int, char**) {
// The data is passed as-is so it does not depend on the encoding of the input.
int i = 1234;
const char* s = "一二三四";
bool b = true;
nullptr_t p = nullptr;
std::vprint_unicode("{} {} ", std::make_format_args(i, s));
std::vprint_unicode("{} {}", std::make_format_args(b, p));
return 0;
}
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