//===----------------------------------------------------------------------===// // // 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: executor-has-no-bash // UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME // FIXME PRINT How to test println on Windows? // XFAIL: msvc, target={{.+}}-windows-gnu // XFAIL: availability-fp_to_chars-missing // // template // void println(format_string fmt, 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 // // template // void println(FILE* stream, format_string fmt, 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. // TODO PRINT Use lit builtin echo // FILE_DEPENDENCIES: echo.sh // RUN: %{build} // RUN: %{exec} bash echo.sh -ne "1234 一二三四\ntrue 0x0\n" > %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. std::println("{} {}", 1234, "一二三四"); std::println("{} {}", true, nullptr); return 0; }