| //===-- Unittests for strcasestr ------------------------------------------===// |
| // |
| // 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/string/strcasestr.h" |
| #include "test/UnitTest/Test.h" |
| |
| TEST(LlvmLibcStrCaseStrTest, NeedleNotInHaystack) { |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcd", "e"), nullptr); |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCD", "e"), nullptr); |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcd", "E"), nullptr); |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCD", "E"), nullptr); |
| } |
| |
| TEST(LlvmLibcStrCaseStrTest, NeedleInMiddle) { |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcdefghi", "def"), "defghi"); |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCDEFGHI", "def"), "DEFGHI"); |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcdefghi", "DEF"), "defghi"); |
| EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCDEFGHI", "DEF"), "DEFGHI"); |
| } |