67 lines · cpp
1//===-- Unittests for strpbrk ---------------------------------------------===//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/strpbrk.h"10 11#include "test/UnitTest/Test.h"12 13TEST(LlvmLibcStrPBrkTest, EmptyStringShouldReturnNullptr) {14 // The search should not include the null terminator.15 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("", ""), nullptr);16 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("_", ""), nullptr);17 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("", "_"), nullptr);18}19 20TEST(LlvmLibcStrPBrkTest, ShouldNotFindAnythingAfterNullTerminator) {21 const char src[4] = {'a', 'b', '\0', 'c'};22 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "c"), nullptr);23}24 25TEST(LlvmLibcStrPBrkTest, ShouldReturnNullptrIfNoCharactersFound) {26 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("12345", "abcdef"), nullptr);27}28 29TEST(LlvmLibcStrPBrkTest, FindsFirstCharacter) {30 const char *src = "12345";31 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "1"), "12345");32 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "-1"), "12345");33 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "1_"), "12345");34 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "f1_"), "12345");35 ASSERT_STREQ(src, "12345");36}37 38TEST(LlvmLibcStrPBrkTest, FindsMiddleCharacter) {39 const char *src = "12345";40 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "3"), "345");41 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "?3"), "345");42 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "3F"), "345");43 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "z3_"), "345");44 ASSERT_STREQ(src, "12345");45}46 47TEST(LlvmLibcStrPBrkTest, FindsLastCharacter) {48 const char *src = "12345";49 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "5"), "5");50 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "r5"), "5");51 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "59"), "5");52 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk(src, "n5_"), "5");53 ASSERT_STREQ(src, "12345");54}55 56TEST(LlvmLibcStrPBrkTest, FindsFirstOfRepeated) {57 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("A,B,C,D", ","), ",B,C,D");58}59 60TEST(LlvmLibcStrPBrkTest, FindsFirstInBreakset) {61 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("12345", "34"), "345");62}63 64TEST(LlvmLibcStrPBrkTest, TopBitSet) {65 EXPECT_STREQ(LIBC_NAMESPACE::strpbrk("hello\x80world", "\x80 "), "\x80world");66}67