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

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