1df0dbfcb5
Summary: Having a consistent prefix makes selecting all of the llvm libc tests easier on any platform that is also using the gtest framework. This also modifies the TEST and TEST_F macros to enforce this change moving forward. Reviewers: sivachandra Subscribers:
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
//===-- Unittests for strtok ---------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/string/strtok.h"
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#include "utils/UnitTest/Test.h"
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TEST(LlvmLibcStrTokTest, NoTokenFound) {
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char empty[] = "";
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ASSERT_STREQ(__llvm_libc::strtok(empty, ""), nullptr);
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ASSERT_STREQ(__llvm_libc::strtok(empty, "_"), nullptr);
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char single[] = "_";
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ASSERT_STREQ(__llvm_libc::strtok(single, ""), "_");
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char multiple[] = "1,2";
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ASSERT_STREQ(__llvm_libc::strtok(multiple, ":"), "1,2");
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}
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TEST(LlvmLibcStrTokTest, DelimiterAsFirstCharacterShouldBeIgnored) {
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char src[] = ".123";
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ASSERT_STREQ(__llvm_libc::strtok(src, "."), "123");
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}
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TEST(LlvmLibcStrTokTest, DelimiterIsMiddleCharacter) {
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char src[] = "12,34";
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ASSERT_STREQ(__llvm_libc::strtok(src, ","), "12");
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}
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TEST(LlvmLibcStrTokTest, DelimiterAsLastCharacterShouldBeIgnored) {
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char src[] = "1234:";
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ASSERT_STREQ(__llvm_libc::strtok(src, ":"), "1234");
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}
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TEST(LlvmLibcStrTokTest, MultipleDelimiters) {
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char src[] = "12,.34";
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ASSERT_STREQ(__llvm_libc::strtok(src, "."), "12,");
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ASSERT_STREQ(__llvm_libc::strtok(src, ".,"), "12");
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ASSERT_STREQ(__llvm_libc::strtok(src, ",."), "12");
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ASSERT_STREQ(__llvm_libc::strtok(src, ":,."), "12");
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}
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TEST(LlvmLibcStrTokTest, ShouldNotGoPastNullTerminator) {
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char src[] = {'1', '2', '\0', ',', '3'};
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ASSERT_STREQ(__llvm_libc::strtok(src, ","), "12");
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}
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TEST(LlvmLibcStrTokTest, SubsequentCallsShouldFindFollowingDelimiters) {
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char src[] = "12,34.56";
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char *token = __llvm_libc::strtok(src, ",.");
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ASSERT_STREQ(token, "12");
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token = __llvm_libc::strtok(nullptr, ",.");
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ASSERT_STREQ(token, "34");
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token = __llvm_libc::strtok(nullptr, ",.");
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ASSERT_STREQ(token, "56");
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token = __llvm_libc::strtok(nullptr, "_:,_");
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ASSERT_STREQ(token, nullptr);
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// Subsequent calls after hitting the end of the string should also return
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// nullptr.
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token = __llvm_libc::strtok(nullptr, "_:,_");
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ASSERT_STREQ(token, nullptr);
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}
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TEST(LlvmLibcStrTokTest, DelimitersShouldNotBeIncludedInToken) {
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char src[] = "__ab__:_cd__:__ef__:__";
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char *token = __llvm_libc::strtok(src, "_:");
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ASSERT_STREQ(token, "ab");
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token = __llvm_libc::strtok(nullptr, ":_");
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ASSERT_STREQ(token, "cd");
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token = __llvm_libc::strtok(nullptr, "_:,");
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ASSERT_STREQ(token, "ef");
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token = __llvm_libc::strtok(nullptr, "_:,_");
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ASSERT_STREQ(token, nullptr);
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}
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