diff options
Diffstat (limited to 'libc/test/src/ctype/toupper_test.cpp')
-rw-r--r-- | libc/test/src/ctype/toupper_test.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libc/test/src/ctype/toupper_test.cpp b/libc/test/src/ctype/toupper_test.cpp new file mode 100644 index 000000000000..4d6a1b3d4f65 --- /dev/null +++ b/libc/test/src/ctype/toupper_test.cpp @@ -0,0 +1,20 @@ +//===-- Unittests for toupper----------------------------------------------===// +// +// 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/toupper.h" +#include "utils/UnitTest/Test.h" + +TEST(ToUpper, DefaultLocale) { + for (int ch = 0; ch < 255; ++ch) { + // This follows pattern 'a' - 32 = 'A'. + if ('a' <= ch && ch <= 'z') + EXPECT_EQ(__llvm_libc::toupper(ch), ch - 32); + else + EXPECT_EQ(__llvm_libc::toupper(ch), ch); + } +} |