//===----------------------------------------------------------------------===// // // 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: GCC-ALWAYS_INLINE-FIXME // XFAIL: availability-fp_to_chars-missing // // void vprint_nonunicode(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_nonunicode(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 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_nonunicode("{} {} ", std::make_format_args(i, s)); std::vprint_nonunicode("{} {}", std::make_format_args(b, p)); return 0; }