| 1 | //===-- Unittests for strsep ----------------------------------------------===// |
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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 "hdr/signal_macros.h" |
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| 10 | #include "src/string/strsep.h" |
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| 11 | #include "test/UnitTest/Test.h" |
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| 12 | |
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| 13 | TEST(LlvmLibcStrsepTest, NullSrc) { |
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| 14 | char *string = nullptr; |
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| 15 | EXPECT_STREQ(LIBC_NAMESPACE::strsep(&string, "" ), nullptr); |
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| 16 | } |
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| 17 | |
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| 18 | TEST(LlvmLibcStrsepTest, NoTokenFound) { |
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| 19 | { |
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| 20 | char s[] = "" ; |
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| 21 | char *string = s, *orig = s; |
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| 22 | EXPECT_STREQ(LIBC_NAMESPACE::strsep(&string, "" ), nullptr); |
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| 23 | EXPECT_EQ(orig, string); |
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| 24 | } |
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| 25 | { |
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| 26 | char s[] = "abcde" ; |
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| 27 | char *string = s, *orig = s; |
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| 28 | EXPECT_STREQ(LIBC_NAMESPACE::strsep(&string, "" ), orig); |
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| 29 | EXPECT_EQ(string, orig + 5); |
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| 30 | } |
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| 31 | { |
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| 32 | char s[] = "abcde" ; |
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| 33 | char *string = s, *orig = s; |
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| 34 | EXPECT_STREQ(LIBC_NAMESPACE::strsep(&string, "fghijk" ), orig); |
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| 35 | EXPECT_EQ(string, orig + 5); |
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| 36 | } |
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| 37 | } |
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| 38 | |
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| 39 | TEST(LlvmLibcStrsepTest, TokenFound) { |
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| 40 | char s[] = "abacd" ; |
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| 41 | char *string = s; |
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| 42 | EXPECT_STREQ(LIBC_NAMESPACE::strsep(&string, "c" ), "aba" ); |
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| 43 | EXPECT_STREQ(string, "d" ); |
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| 44 | } |
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| 45 | |
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| 46 | TEST(LlvmLibcStrsepTest, DelimitersShouldNotBeIncludedInToken) { |
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| 47 | char s[] = "__ab__:cd_:_ef_:_" ; |
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| 48 | char *string = s; |
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| 49 | const char *expected[] = {"" , "" , "ab" , "" , "" , "cd" , "" , |
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| 50 | "" , "ef" , "" , "" , "" , nullptr}; |
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| 51 | for (int i = 0; expected[i]; i++) { |
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| 52 | ASSERT_STREQ(LIBC_NAMESPACE::strsep(&string, "_:" ), expected[i]); |
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| 53 | } |
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| 54 | } |
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| 55 | |
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| 56 | #if defined(LIBC_ADD_NULL_CHECKS) && !defined(LIBC_HAS_SANITIZER) |
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| 57 | |
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| 58 | TEST(LlvmLibcStrsepTest, CrashOnNullPtr) { |
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| 59 | ASSERT_DEATH([]() { LIBC_NAMESPACE::strsep(nullptr, nullptr); }, |
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| 60 | WITH_SIGNAL(-1)); |
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| 61 | } |
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| 62 | |
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| 63 | #endif // defined(LIBC_ADD_NULL_CHECKS) && !defined(LIBC_HAS_SANITIZER) |
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| 64 | |
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