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ICU-7651 Add test case (segfaults without the fix in r27992)

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X-SVN-Rev: 27994
This commit is contained in:
Peter Edberg 2010-04-28 03:55:58 +00:00
parent 7058d05758
commit df7d633f59
2 changed files with 40 additions and 0 deletions
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39
icu4c/source/test/intltest/regextst.cpp
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@ -98,6 +98,9 @@ void RegexTest::runIndexedTest( int32_t index, UBool exec, const char* &name, ch
case 14: name = "PreAllocatedUTextCAPI";
if (exec) PreAllocatedUTextCAPI();
break;
case 15: name = "Bug 7651";
if (exec) Bug7651();
break;
default: name = "";
break; //needed to end loop
@ -4608,5 +4611,41 @@ void RegexTest::PreAllocatedUTextCAPI () {
utext_close(&patternText);
}
//--------------------------------------------------------------
//
// Bug7651 Regex pattern that exceeds default operator stack depth in matcher.
//
//---------------------------------------------------------------
void RegexTest::Bug7651() {
UnicodeString pattern1("((?<![A-Za-z0-9])[#\\uff03][A-Za-z0-9_][A-Za-z0-9_\\u00c0-\\u00d6\\u00c8-\\u00f6\\u00f8-\\u00ff]*|(?<![A-Za-z0-9_])[@\\uff20][A-Za-z0-9_]+(?:\\/[\\w-]+)?|(https?\\:\\/\\/|www\\.)\\S+(?<![\\!\\),\\.:;\\]\\u0080-\\uFFFF])|\\$[A-Za-z]+)");
// The following should exceed the default operator stack depth in the matcher, i.e. force the matcher to malloc instead of using fSmallData.
UnicodeString pattern2("((https?\\:\\/\\/|www\\.)\\S+(?<![\\!\\),\\.:;\\]\\u0080-\\uFFFF])|(?<![A-Za-z0-9_])[\\@\\uff20][A-Za-z0-9_]+(?:\\/[\\w\\-]+)?|(?<![A-Za-z0-9])[\\#\\uff03][A-Za-z0-9_][A-Za-z0-9_\\u00c0-\\u00d6\\u00c8-\\u00f6\\u00f8-\\u00ff]*|\\$[A-Za-z]+)");
UnicodeString s("#ff @abcd This is test");
RegexPattern *REPattern = NULL;
RegexMatcher *REMatcher = NULL;
UErrorCode status = U_ZERO_ERROR;
UParseError pe;
REPattern = RegexPattern::compile(pattern1, 0, pe, status);
REGEX_CHECK_STATUS;
REMatcher = REPattern->matcher(s, status);
REGEX_CHECK_STATUS;
REGEX_ASSERT(REMatcher->find());
REGEX_ASSERT(REMatcher->start(status) == 0);
delete REPattern;
delete REMatcher;
status = U_ZERO_ERROR;
REPattern = RegexPattern::compile(pattern2, 0, pe, status);
REGEX_CHECK_STATUS;
REMatcher = REPattern->matcher(s, status);
REGEX_CHECK_STATUS;
REGEX_ASSERT(REMatcher->find());
REGEX_ASSERT(REMatcher->start(status) == 0);
delete REPattern;
delete REMatcher;
status = U_ZERO_ERROR;
}
#endif /* !UCONFIG_NO_REGULAR_EXPRESSIONS */

1
icu4c/source/test/intltest/regextst.h
View File

@ -40,6 +40,7 @@ public:
virtual void API_Replace_UTF8();
virtual void PerlTestsUTF8();
virtual void PreAllocatedUTextCAPI();
virtual void Bug7651();
// The following functions are internal to the regexp tests.
virtual void assertUText(const char *expected, UText *actual, const char *file, int line);