libc/test/src/stdio/puts_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/stdio/puts.h"
  10
  11 #include "test/UnitTest/Test.h"
  12
  13 TEST(LlvmLibcPutsTest, PrintOut) {
  14   int result;
  15
  16   constexpr char simple[] = "A simple string";
  17   result = __llvm_libc::puts(simple);
  18   EXPECT_GE(result, 0);
  19
  20   // check that it appends a second newline at the end.
  21   constexpr char numbers[] = "1234567890\n";
  22   result = __llvm_libc::puts(numbers);
  23   EXPECT_GE(result, 0);
  24
  25   constexpr char more[] = "1234 and more\n6789 and rhyme";
  26   result = __llvm_libc::puts(more);
  27   EXPECT_GE(result, 0);
  28 }