| //===-- Unittests for isgraph----------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/ctype/isgraph.h" |
| #include "test/UnitTest/Test.h" |
| |
| TEST(LlvmLibcIsGraph, DefaultLocale) { |
| // Loops through all characters, verifying that graphical characters |
| // return a non-zero integer, everything else returns zero. |
| for (int ch = -255; ch < 255; ++ch) { |
| if ('!' <= ch && ch <= '~') // A-Z, a-z, 0-9, punctuation. |
| EXPECT_NE(LIBC_NAMESPACE::isgraph(ch), 0); |
| else |
| EXPECT_EQ(LIBC_NAMESPACE::isgraph(ch), 0); |
| } |
| } |