31 lines · cpp
1//===-- Unittests for fputc / putchar -------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/__support/File/file.h"10#include "src/stdio/fputc.h"11#include "src/stdio/putchar.h"12 13#include "test/UnitTest/Test.h"14 15TEST(LlvmLibcPutcTest, PrintOut) {16 int result;17 18 constexpr char simple[] = "A simple string written to stdout\n";19 for (const char &c : simple) {20 result = LIBC_NAMESPACE::putchar(c);21 EXPECT_GE(result, 0);22 }23 24 constexpr char more[] = "A simple string written to stderr\n";25 for (const char &c : more) {26 result = LIBC_NAMESPACE::fputc(27 c, reinterpret_cast<FILE *>(LIBC_NAMESPACE::stderr));28 }29 EXPECT_GE(result, 0);30}31