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