1//===-- Unittests for btowc ---------------------------------------------===//
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 <wchar.h> //for WEOF
10
11#include "src/wchar/btowc.h"
12
13#include "test/UnitTest/Test.h"
14
15TEST(LlvmLibcBtowc, DefaultLocale) {
16 // Loops through all characters, verifying that ascii returns itself and
17 // everything else returns WEOF.
18 for (int c = 0; c < 255; ++c) {
19 if (c < 128)
20 EXPECT_EQ(LIBC_NAMESPACE::btowc(c), static_cast<wint_t>(c));
21 else
22 EXPECT_EQ(LIBC_NAMESPACE::btowc(c), WEOF);
23 }
24}
25

source code of libc/test/src/wchar/btowc_test.cpp