| 1 | //===-- Unittests for ispunct----------------------------------------------===// |
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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/ispunct.h" |
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| 10 | #include "test/UnitTest/Test.h" |
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| 11 | |
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| 12 | // Helper function to mark the sections of the ASCII table that are |
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| 13 | // punctuation characters. These are listed below: |
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| 14 | // Decimal | Symbol |
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| 15 | // ----------------------------------------- |
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| 16 | // 33 - 47 | ! " $ % & ' ( ) * + , - . / |
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| 17 | // 58 - 64 | : ; < = > ? @ |
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| 18 | // 91 - 96 | [ \ ] ^ _ ` |
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| 19 | // 123 - 126 | { | } ~ |
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| 20 | static inline int is_punctuation_character(int c) { |
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| 21 | return ('!' <= c && c <= '/') || (':' <= c && c <= '@') || |
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| 22 | ('[' <= c && c <= '`') || ('{' <= c && c <= '~'); |
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| 23 | } |
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| 24 | |
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| 25 | TEST(LlvmLibcIsPunct, DefaultLocale) { |
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| 26 | // Loops through all characters, verifying that punctuation characters |
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| 27 | // return a non-zero integer, and everything else returns zero. |
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| 28 | for (int ch = -255; ch < 255; ++ch) { |
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| 29 | if (is_punctuation_character(c: ch)) |
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| 30 | EXPECT_NE(LIBC_NAMESPACE::ispunct(ch), 0); |
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| 31 | else |
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| 32 | EXPECT_EQ(LIBC_NAMESPACE::ispunct(ch), 0); |
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| 33 | } |
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| 34 | } |
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| 35 | |
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