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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <sys/types.h>
#include <regex.h>
TEST(regex, smoke) {
// A quick test of all the regex functions.
regex_t re;
ASSERT_EQ(0, regcomp(&re, "ab*c", 0));
ASSERT_EQ(0, regexec(&re, "abbbc", 0, nullptr, 0));
ASSERT_EQ(REG_NOMATCH, regexec(&re, "foo", 0, nullptr, 0));
char buf[80];
regerror(REG_NOMATCH, &re, buf, sizeof(buf));
#if defined(__BIONIC__)
ASSERT_STREQ("regexec() failed to match", buf);
#else
ASSERT_STREQ("No match", buf);
#endif
regfree(&re);
}
TEST(regex, match_offsets) {
regex_t re;
regmatch_t matches[1];
ASSERT_EQ(0, regcomp(&re, "b", 0));
ASSERT_EQ(0, regexec(&re, "abc", 1, matches, 0));
ASSERT_EQ(1, matches[0].rm_so);
ASSERT_EQ(2, matches[0].rm_eo);
regfree(&re);
}
TEST(regex, regerror_NULL_0) {
regex_t re;
int error = regcomp(&re, "*", REG_EXTENDED);
ASSERT_NE(0, error);
// Passing a null pointer and a size of 0 is a legitimate way to ask
// how large a buffer we would need for the error message.
int error_length = regerror(error, &re, nullptr, 0);
ASSERT_GT(error_length, 0);
}