libc/test/src/stdio/fputs_test.cpp

   1 //===-- Unittests for puts ---------------------------------------------===//
   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 #include "src/__support/File/file.h"
  10 #include "src/stdio/fputs.h"
  11
  12 #include "test/UnitTest/Test.h"
  13
  14 TEST(LlvmLibcPutsTest, PrintOut) {
  15   int result;
  16
  17   constexpr char simple[] = "A simple string written to stdout\n";
  18   result = LIBC_NAMESPACE::fputs(
  19       simple, reinterpret_cast<FILE *>(LIBC_NAMESPACE::stdout));
  20   EXPECT_GE(result, 0);
  21
  22   constexpr char more[] = "A simple string written to stderr\n";
  23   result = LIBC_NAMESPACE::fputs(
  24       more, reinterpret_cast<FILE *>(LIBC_NAMESPACE::stderr));
  25   EXPECT_GE(result, 0);
  26 }