1//===-- Unittests for toascii----------------------------------------------===//
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/ctype/toascii.h"
10
11#include "test/UnitTest/Test.h"
12
13TEST(LlvmLibcToAscii, DefaultLocale) {
14 // Loops through all characters, verifying that ascii characters
15 // (which are all 7 bit unsigned integers)
16 // return themself, and that all other characters return themself
17 // mod 128 (which is equivalent to & 0x7f)
18 for (int ch = -255; ch < 255; ++ch) {
19 if (0 <= ch && ch <= 0x7f)
20 EXPECT_EQ(LIBC_NAMESPACE::toascii(ch), ch);
21 else
22 EXPECT_EQ(LIBC_NAMESPACE::toascii(ch), ch & 0x7f);
23 }
24}
25

source code of libc/test/src/ctype/toascii_test.cpp