libc/test/src/inttypes/strtoumax_test.cpp

//===-- Unittests for strtoumax -------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "src/inttypes/strtoumax.h"

#include "utils/UnitTest/Test.h"

#include <errno.h>
#include <limits.h>
#include <stddef.h>

// strtoumax is equivalent to strtoull on all currently supported
// configurations. Thus to avoid duplicating code there is just one test to make
// sure that strtoumax works at all. For real tests see
// stdlib/strtoull_test.cpp.

TEST(LlvmLibcStrToUMaxTest, SimpleCheck) {
  const char *ten = "10";
  errno = 0;
  ASSERT_EQ(__llvm_libc::strtoumax(ten, nullptr, 10), uintmax_t(10));
  ASSERT_EQ(errno, 0);
}