1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 10 // UNSUPPORTED: no-filesystem 11 // UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME 12 13 // XFAIL: availability-fp_to_chars-missing 14 15 // <print> 16 17 // void vprint_nonunicode(string_view fmt, format_args args); 18 19 // Testing this properly is quite hard; the function unconditionally 20 // writes to stdout. When stdout is redirected to a file it is no longer 21 // considered a terminal. The function is a small wrapper around 22 // 23 // void vprint_nonunicode(FILE* stream, string_view fmt, format_args args); 24 // 25 // So do minimal tests for this function and rely on the FILE* overload 26 // to do more testing. 27 // 28 // The testing is based on the testing for std::cout. 29 30 // RUN: %{build} 31 // RUN: echo -n "1234 一二三四 true 0x0" > %t.expected 32 // RUN: %{exec} %t.exe > %t.actual 33 // RUN: diff -u %t.actual %t.expected 34 35 #include <print> 36 37 int main(int, char**) { 38 // The data is passed as-is so it does not depend on the encoding of the input. 39 int i = 1234; 40 const char* s = "一二三四"; 41 bool b = true; 42 nullptr_t p = nullptr; 43 std::vprint_nonunicode("{} {} ", std::make_format_args(i, s)); 44 std::vprint_nonunicode("{} {}", std::make_format_args(b, p)); 45 46 return 0; 47 } 48