25 lines · cpp
1//===-- Unittests for strcasestr ------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/string/strcasestr.h"10#include "test/UnitTest/Test.h"11 12TEST(LlvmLibcStrCaseStrTest, NeedleNotInHaystack) {13 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcd", "e"), nullptr);14 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCD", "e"), nullptr);15 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcd", "E"), nullptr);16 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCD", "E"), nullptr);17}18 19TEST(LlvmLibcStrCaseStrTest, NeedleInMiddle) {20 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcdefghi", "def"), "defghi");21 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCDEFGHI", "def"), "DEFGHI");22 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("abcdefghi", "DEF"), "defghi");23 EXPECT_STREQ(LIBC_NAMESPACE::strcasestr("ABCDEFGHI", "DEF"), "DEFGHI");24}25