| 1 | //===-- Unittests for strpbrk ---------------------------------------------===// |
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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/string/strpbrk.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(LlvmLibcStrPBrkTest, EmptyStringShouldReturnNullptr) { |
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| 14 | // The search should not include the null terminator. |
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| 15 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("" , "" ), nullptr); |
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| 16 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("_" , "" ), nullptr); |
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| 17 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("" , "_" ), nullptr); |
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| 18 | } |
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| 19 | |
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| 20 | TEST(LlvmLibcStrPBrkTest, ShouldNotFindAnythingAfterNullTerminator) { |
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| 21 | const char src[4] = {'a', 'b', '\0', 'c'}; |
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| 22 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "c" ), nullptr); |
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| 23 | } |
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| 24 | |
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| 25 | TEST(LlvmLibcStrPBrkTest, ShouldReturnNullptrIfNoCharactersFound) { |
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| 26 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("12345" , "abcdef" ), nullptr); |
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| 27 | } |
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| 28 | |
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| 29 | TEST(LlvmLibcStrPBrkTest, FindsFirstCharacter) { |
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| 30 | const char *src = "12345" ; |
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| 31 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "1" ), "12345" ); |
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| 32 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "-1" ), "12345" ); |
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| 33 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "1_" ), "12345" ); |
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| 34 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "f1_" ), "12345" ); |
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| 35 | ASSERT_STREQ(src, "12345" ); |
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| 36 | } |
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| 37 | |
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| 38 | TEST(LlvmLibcStrPBrkTest, FindsMiddleCharacter) { |
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| 39 | const char *src = "12345" ; |
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| 40 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "3" ), "345" ); |
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| 41 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "?3" ), "345" ); |
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| 42 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "3F" ), "345" ); |
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| 43 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "z3_" ), "345" ); |
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| 44 | ASSERT_STREQ(src, "12345" ); |
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| 45 | } |
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| 46 | |
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| 47 | TEST(LlvmLibcStrPBrkTest, FindsLastCharacter) { |
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| 48 | const char *src = "12345" ; |
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| 49 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "5" ), "5" ); |
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| 50 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "r5" ), "5" ); |
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| 51 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "59" ), "5" ); |
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| 52 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "n5_" ), "5" ); |
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| 53 | ASSERT_STREQ(src, "12345" ); |
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| 54 | } |
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| 55 | |
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| 56 | TEST(LlvmLibcStrPBrkTest, FindsFirstOfRepeated) { |
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| 57 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("A,B,C,D" , "," ), ",B,C,D" ); |
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| 58 | } |
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| 59 | |
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| 60 | TEST(LlvmLibcStrPBrkTest, FindsFirstInBreakset) { |
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| 61 | EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("12345" , "34" ), "345" ); |
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| 62 | } |
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| 63 | |
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