1 //===-- Unittests for isascii----------------------------------------------===//
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 "utils/UnitTest/Test.h"
10 
11 #include "src/ctype/isascii.h"
12 
TEST(LlvmLibcIsAscii,DefaultLocale)13 TEST(LlvmLibcIsAscii, DefaultLocale) {
14   // Loops through all characters, verifying that ascii characters
15   //    (which are all 7 bit unsigned integers)
16   // return a non-zero integer and everything else returns zero.
17   for (int ch = 0; ch < 255; ++ch) {
18     if (ch <= 0x7f)
19       EXPECT_NE(__llvm_libc::isascii(ch), 0);
20     else
21       EXPECT_EQ(__llvm_libc::isascii(ch), 0);
22   }
23 }
24