1//===-- Unittests for isprint----------------------------------------------===//
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/isprint.h"
10#include "test/UnitTest/Test.h"
11
12TEST(LlvmLibcIsPrint, DefaultLocale) {
13 for (int ch = -255; ch < 255; ++ch) {
14 if (' ' <= ch && ch <= '~') { // A-Z, a-z, 0-9, punctuation, space.
15 EXPECT_NE(LIBC_NAMESPACE::isprint(ch), 0);
16 } else {
17 EXPECT_EQ(LIBC_NAMESPACE::isprint(ch), 0);
18 }
19 }
20}
21

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