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 // template<class... Args> 18 // void print(format_string<Args...> fmt, Args&&... args); 19 20 // Testing this properly is quite hard; the function unconditionally 21 // writes to stdout. When stdout is redirected to a file it is no longer 22 // considered a terminal. The function is a small wrapper around 23 // 24 // template<class... Args> 25 // void print(FILE* stream, format_string<Args...> fmt, Args&&... args); 26 // 27 // So do minimal tests for this function and rely on the FILE* overload 28 // to do more testing. 29 // 30 // The testing is based on the testing for std::cout. 31 32 // RUN: %{build} 33 // RUN: echo -n "1234 一二三四 true 0x0" > %t.expected 34 // RUN: %{exec} %t.exe > %t.actual 35 // RUN: diff -u %t.actual %t.expected 36 37 #include <print> 38 39 int main(int, char**) { 40 // The data is passed as-is so it does not depend on the encoding of the input. 41 std::print("{} {} ", 1234, "一二三四"); 42 std::print("{} {}", true, nullptr); 43 44 return 0; 45 } 46