| 1 | //===-- Unittests for isalnum----------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "src/ctype/isalnum.h" |
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| 10 | |
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| 11 | #include "test/UnitTest/Test.h" |
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| 12 | |
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| 13 | TEST(LlvmLibcIsAlNum, DefaultLocale) { |
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| 14 | // Loops through all characters, verifying that numbers and letters |
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| 15 | // return non-zero integer and everything else returns a zero. |
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| 16 | for (int c = -255; c < 255; ++c) { |
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| 17 | if (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || |
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| 18 | ('0' <= c && c <= '9')) |
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| 19 | EXPECT_NE(LIBC_NAMESPACE::isalnum(c), 0); |
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| 20 | else |
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| 21 | EXPECT_EQ(LIBC_NAMESPACE::isalnum(c), 0); |
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| 22 | } |
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| 23 | } |
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| 24 | |
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