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sourcemod/tools/pcre/pcrecpp_unittest.cc

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// -*- coding: utf-8 -*-
//
// Copyright (c) 2005 - 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Author: Sanjay Ghemawat
//
// TODO: Test extractions for PartialMatch/Consume
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <cassert>
#include <vector>
#include "pcrecpp.h"
using pcrecpp::StringPiece;
using pcrecpp::RE;
using pcrecpp::RE_Options;
using pcrecpp::Hex;
using pcrecpp::Octal;
using pcrecpp::CRadix;
static bool VERBOSE_TEST = false;
// CHECK dies with a fatal error if condition is not true. It is *not*
// controlled by NDEBUG, so the check will be executed regardless of
// compilation mode. Therefore, it is safe to do things like:
// CHECK_EQ(fp->Write(x), 4)
#define CHECK(condition) do { \
if (!(condition)) { \
fprintf(stderr, "%s:%d: Check failed: %s\n", \
__FILE__, __LINE__, #condition); \
exit(1); \
} \
} while (0)
#define CHECK_EQ(a, b) CHECK(a == b)
static void Timing1(int num_iters) {
// Same pattern lots of times
RE pattern("ruby:\\d+");
StringPiece p("ruby:1234");
for (int j = num_iters; j > 0; j--) {
CHECK(pattern.FullMatch(p));
}
}
static void Timing2(int num_iters) {
// Same pattern lots of times
RE pattern("ruby:(\\d+)");
int i;
for (int j = num_iters; j > 0; j--) {
CHECK(pattern.FullMatch("ruby:1234", &i));
CHECK_EQ(i, 1234);
}
}
static void Timing3(int num_iters) {
string text_string;
for (int j = num_iters; j > 0; j--) {
text_string += "this is another line\n";
}
RE line_matcher(".*\n");
string line;
StringPiece text(text_string);
int counter = 0;
while (line_matcher.Consume(&text)) {
counter++;
}
printf("Matched %d lines\n", counter);
}
#if 0 // uncomment this if you have a way of defining VirtualProcessSize()
static void LeakTest() {
// Check for memory leaks
unsigned long long initial_size = 0;
for (int i = 0; i < 100000; i++) {
if (i == 50000) {
initial_size = VirtualProcessSize();
printf("Size after 50000: %llu\n", initial_size);
}
char buf[100]; // definitely big enough
sprintf(buf, "pat%09d", i);
RE newre(buf);
}
uint64 final_size = VirtualProcessSize();
printf("Size after 100000: %llu\n", final_size);
const double growth = double(final_size - initial_size) / final_size;
printf("Growth: %0.2f%%", growth * 100);
CHECK(growth < 0.02); // Allow < 2% growth
}
#endif
static void RadixTests() {
printf("Testing hex\n");
#define CHECK_HEX(type, value) \
do { \
type v; \
CHECK(RE("([0-9a-fA-F]+)[uUlL]*").FullMatch(#value, Hex(&v))); \
CHECK_EQ(v, 0x ## value); \
CHECK(RE("([0-9a-fA-FxX]+)[uUlL]*").FullMatch("0x" #value, CRadix(&v))); \
CHECK_EQ(v, 0x ## value); \
} while(0)
CHECK_HEX(short, 2bad);
CHECK_HEX(unsigned short, 2badU);
CHECK_HEX(int, dead);
CHECK_HEX(unsigned int, deadU);
CHECK_HEX(long, 7eadbeefL);
CHECK_HEX(unsigned long, deadbeefUL);
#ifdef HAVE_LONG_LONG
CHECK_HEX(long long, 12345678deadbeefLL);
#endif
#ifdef HAVE_UNSIGNED_LONG_LONG
CHECK_HEX(unsigned long long, cafebabedeadbeefULL);
#endif
#undef CHECK_HEX
printf("Testing octal\n");
#define CHECK_OCTAL(type, value) \
do { \
type v; \
CHECK(RE("([0-7]+)[uUlL]*").FullMatch(#value, Octal(&v))); \
CHECK_EQ(v, 0 ## value); \
CHECK(RE("([0-9a-fA-FxX]+)[uUlL]*").FullMatch("0" #value, CRadix(&v))); \
CHECK_EQ(v, 0 ## value); \
} while(0)
CHECK_OCTAL(short, 77777);
CHECK_OCTAL(unsigned short, 177777U);
CHECK_OCTAL(int, 17777777777);
CHECK_OCTAL(unsigned int, 37777777777U);
CHECK_OCTAL(long, 17777777777L);
CHECK_OCTAL(unsigned long, 37777777777UL);
#ifdef HAVE_LONG_LONG
CHECK_OCTAL(long long, 777777777777777777777LL);
#endif
#ifdef HAVE_UNSIGNED_LONG_LONG
CHECK_OCTAL(unsigned long long, 1777777777777777777777ULL);
#endif
#undef CHECK_OCTAL
printf("Testing decimal\n");
#define CHECK_DECIMAL(type, value) \
do { \
type v; \
CHECK(RE("(-?[0-9]+)[uUlL]*").FullMatch(#value, &v)); \
CHECK_EQ(v, value); \
CHECK(RE("(-?[0-9a-fA-FxX]+)[uUlL]*").FullMatch(#value, CRadix(&v))); \
CHECK_EQ(v, value); \
} while(0)
CHECK_DECIMAL(short, -1);
CHECK_DECIMAL(unsigned short, 9999);
CHECK_DECIMAL(int, -1000);
CHECK_DECIMAL(unsigned int, 12345U);
CHECK_DECIMAL(long, -10000000L);
CHECK_DECIMAL(unsigned long, 3083324652U);
#ifdef HAVE_LONG_LONG
CHECK_DECIMAL(long long, -100000000000000LL);
#endif
#ifdef HAVE_UNSIGNED_LONG_LONG
CHECK_DECIMAL(unsigned long long, 1234567890987654321ULL);
#endif
#undef CHECK_DECIMAL
}
static void TestReplace() {
printf("Testing Replace\n");
struct ReplaceTest {
const char *regexp;
const char *rewrite;
const char *original;
const char *single;
const char *global;
int global_count; // the expected return value from ReplaceAll
};
static const ReplaceTest tests[] = {
{ "(qu|[b-df-hj-np-tv-z]*)([a-z]+)",
"\\2\\1ay",
"the quick brown fox jumps over the lazy dogs.",
"ethay quick brown fox jumps over the lazy dogs.",
"ethay ickquay ownbray oxfay umpsjay overay ethay azylay ogsday.",
9 },
{ "\\w+",
"\\0-NOSPAM",
"paul.haahr@google.com",
"paul-NOSPAM.haahr@google.com",
"paul-NOSPAM.haahr-NOSPAM@google-NOSPAM.com-NOSPAM",
4 },
{ "^",
"(START)",
"foo",
"(START)foo",
"(START)foo",
1 },
{ "^",
"(START)",
"",
"(START)",
"(START)",
1 },
{ "$",
"(END)",
"",
"(END)",
"(END)",
1 },
{ "b",
"bb",
"ababababab",
"abbabababab",
"abbabbabbabbabb",
5 },
{ "b",
"bb",
"bbbbbb",
"bbbbbbb",
"bbbbbbbbbbbb",
6 },
{ "b+",
"bb",
"bbbbbb",
"bb",
"bb",
1 },
{ "b*",
"bb",
"bbbbbb",
"bb",
"bb",
1 },
{ "b*",
"bb",
"aaaaa",
"bbaaaaa",
"bbabbabbabbabbabb",
6 },
{ "b*",
"bb",
"aa\naa\n",
"bbaa\naa\n",
"bbabbabb\nbbabbabb\nbb",
7 },
{ "b*",
"bb",
"aa\raa\r",
"bbaa\raa\r",
"bbabbabb\rbbabbabb\rbb",
7 },
{ "b*",
"bb",
"aa\r\naa\r\n",
"bbaa\r\naa\r\n",
"bbabbabb\r\nbbabbabb\r\nbb",
7 },
#ifdef SUPPORT_UTF8
{ "b*",
"bb",
"\xE3\x83\x9B\xE3\x83\xBC\xE3\x83\xA0\xE3\x81\xB8", // utf8
"bb\xE3\x83\x9B\xE3\x83\xBC\xE3\x83\xA0\xE3\x81\xB8",
"bb\xE3\x83\x9B""bb""\xE3\x83\xBC""bb""\xE3\x83\xA0""bb""\xE3\x81\xB8""bb",
5 },
{ "b*",
"bb",
"\xE3\x83\x9B\r\n\xE3\x83\xBC\r\xE3\x83\xA0\n\xE3\x81\xB8\r\n", // utf8
"bb\xE3\x83\x9B\r\n\xE3\x83\xBC\r\xE3\x83\xA0\n\xE3\x81\xB8\r\n",
("bb\xE3\x83\x9B""bb\r\nbb""\xE3\x83\xBC""bb\rbb""\xE3\x83\xA0"
"bb\nbb""\xE3\x81\xB8""bb\r\nbb"),
9 },
#endif
{ "", NULL, NULL, NULL, NULL, 0 }
};
#ifdef SUPPORT_UTF8
const bool support_utf8 = true;
#else
const bool support_utf8 = false;
#endif
for (const ReplaceTest *t = tests; t->original != NULL; ++t) {
RE re(t->regexp, RE_Options(PCRE_NEWLINE_CRLF).set_utf8(support_utf8));
assert(re.error().empty());
string one(t->original);
CHECK(re.Replace(t->rewrite, &one));
CHECK_EQ(one, t->single);
string all(t->original);
const int replace_count = re.GlobalReplace(t->rewrite, &all);
CHECK_EQ(all, t->global);
CHECK_EQ(replace_count, t->global_count);
}
// One final test: test \r\n replacement when we're not in CRLF mode
{
RE re("b*", RE_Options(PCRE_NEWLINE_CR).set_utf8(support_utf8));
assert(re.error().empty());
string all("aa\r\naa\r\n");
CHECK_EQ(re.GlobalReplace("bb", &all), 9);
CHECK_EQ(all, string("bbabbabb\rbb\nbbabbabb\rbb\nbb"));
}
{
RE re("b*", RE_Options(PCRE_NEWLINE_LF).set_utf8(support_utf8));
assert(re.error().empty());
string all("aa\r\naa\r\n");
CHECK_EQ(re.GlobalReplace("bb", &all), 9);
CHECK_EQ(all, string("bbabbabb\rbb\nbbabbabb\rbb\nbb"));
}
// TODO: test what happens when no PCRE_NEWLINE_* flag is set.
// Alas, the answer depends on how pcre was compiled.
}
static void TestExtract() {
printf("Testing Extract\n");
string s;
CHECK(RE("(.*)@([^.]*)").Extract("\\2!\\1", "boris@kremvax.ru", &s));
CHECK_EQ(s, "kremvax!boris");
// check the RE interface as well
CHECK(RE(".*").Extract("'\\0'", "foo", &s));
CHECK_EQ(s, "'foo'");
CHECK(!RE("bar").Extract("'\\0'", "baz", &s));
CHECK_EQ(s, "'foo'");
}
static void TestConsume() {
printf("Testing Consume\n");
string word;
string s(" aaa b!@#$@#$cccc");
StringPiece input(s);
RE r("\\s*(\\w+)"); // matches a word, possibly proceeded by whitespace
CHECK(r.Consume(&input, &word));
CHECK_EQ(word, "aaa");
CHECK(r.Consume(&input, &word));
CHECK_EQ(word, "b");
CHECK(! r.Consume(&input, &word));
}
static void TestFindAndConsume() {
printf("Testing FindAndConsume\n");
string word;
string s(" aaa b!@#$@#$cccc");
StringPiece input(s);
RE r("(\\w+)"); // matches a word
CHECK(r.FindAndConsume(&input, &word));
CHECK_EQ(word, "aaa");
CHECK(r.FindAndConsume(&input, &word));
CHECK_EQ(word, "b");
CHECK(r.FindAndConsume(&input, &word));
CHECK_EQ(word, "cccc");
CHECK(! r.FindAndConsume(&input, &word));
}
static void TestMatchNumberPeculiarity() {
printf("Testing match-number peculiaraity\n");
string word1;
string word2;
string word3;
RE r("(foo)|(bar)|(baz)");
CHECK(r.PartialMatch("foo", &word1, &word2, &word3));
CHECK_EQ(word1, "foo");
CHECK_EQ(word2, "");
CHECK_EQ(word3, "");
CHECK(r.PartialMatch("bar", &word1, &word2, &word3));
CHECK_EQ(word1, "");
CHECK_EQ(word2, "bar");
CHECK_EQ(word3, "");
CHECK(r.PartialMatch("baz", &word1, &word2, &word3));
CHECK_EQ(word1, "");
CHECK_EQ(word2, "");
CHECK_EQ(word3, "baz");
CHECK(!r.PartialMatch("f", &word1, &word2, &word3));
string a;
CHECK(RE("(foo)|hello").FullMatch("hello", &a));
CHECK_EQ(a, "");
}
static void TestRecursion() {
printf("Testing recursion\n");
// Get one string that passes (sometimes), one that never does.
string text_good("abcdefghijk");
string text_bad("acdefghijkl");
// According to pcretest, matching text_good against (\w+)*b
// requires match_limit of at least 8192, and match_recursion_limit
// of at least 37.
RE_Options options_ml;
options_ml.set_match_limit(8192);
RE re("(\\w+)*b", options_ml);
CHECK(re.PartialMatch(text_good) == true);
CHECK(re.PartialMatch(text_bad) == false);
CHECK(re.FullMatch(text_good) == false);
CHECK(re.FullMatch(text_bad) == false);
options_ml.set_match_limit(1024);
RE re2("(\\w+)*b", options_ml);
CHECK(re2.PartialMatch(text_good) == false); // because of match_limit
CHECK(re2.PartialMatch(text_bad) == false);
CHECK(re2.FullMatch(text_good) == false);
CHECK(re2.FullMatch(text_bad) == false);
RE_Options options_mlr;
options_mlr.set_match_limit_recursion(50);
RE re3("(\\w+)*b", options_mlr);
CHECK(re3.PartialMatch(text_good) == true);
CHECK(re3.PartialMatch(text_bad) == false);
CHECK(re3.FullMatch(text_good) == false);
CHECK(re3.FullMatch(text_bad) == false);
options_mlr.set_match_limit_recursion(10);
RE re4("(\\w+)*b", options_mlr);
CHECK(re4.PartialMatch(text_good) == false);
CHECK(re4.PartialMatch(text_bad) == false);
CHECK(re4.FullMatch(text_good) == false);
CHECK(re4.FullMatch(text_bad) == false);
}
// A meta-quoted string, interpreted as a pattern, should always match
// the original unquoted string.
static void TestQuoteMeta(string unquoted, RE_Options options = RE_Options()) {
string quoted = RE::QuoteMeta(unquoted);
RE re(quoted, options);
CHECK(re.FullMatch(unquoted));
}
// A string containing meaningful regexp characters, which is then meta-
// quoted, should not generally match a string the unquoted string does.
static void NegativeTestQuoteMeta(string unquoted, string should_not_match,
RE_Options options = RE_Options()) {
string quoted = RE::QuoteMeta(unquoted);
RE re(quoted, options);
CHECK(!re.FullMatch(should_not_match));
}
// Tests that quoted meta characters match their original strings,
// and that a few things that shouldn't match indeed do not.
static void TestQuotaMetaSimple() {
TestQuoteMeta("foo");
TestQuoteMeta("foo.bar");
TestQuoteMeta("foo\\.bar");
TestQuoteMeta("[1-9]");
TestQuoteMeta("1.5-2.0?");
TestQuoteMeta("\\d");
TestQuoteMeta("Who doesn't like ice cream?");
TestQuoteMeta("((a|b)c?d*e+[f-h]i)");
TestQuoteMeta("((?!)xxx).*yyy");
TestQuoteMeta("([");
TestQuoteMeta(string("foo\0bar", 7));
}
static void TestQuoteMetaSimpleNegative() {
NegativeTestQuoteMeta("foo", "bar");
NegativeTestQuoteMeta("...", "bar");
NegativeTestQuoteMeta("\\.", ".");
NegativeTestQuoteMeta("\\.", "..");
NegativeTestQuoteMeta("(a)", "a");
NegativeTestQuoteMeta("(a|b)", "a");
NegativeTestQuoteMeta("(a|b)", "(a)");
NegativeTestQuoteMeta("(a|b)", "a|b");
NegativeTestQuoteMeta("[0-9]", "0");
NegativeTestQuoteMeta("[0-9]", "0-9");
NegativeTestQuoteMeta("[0-9]", "[9]");
NegativeTestQuoteMeta("((?!)xxx)", "xxx");
}
static void TestQuoteMetaLatin1() {
TestQuoteMeta("3\xb2 = 9");
}
static void TestQuoteMetaUtf8() {
#ifdef SUPPORT_UTF8
TestQuoteMeta("Pl\xc3\xa1\x63ido Domingo", pcrecpp::UTF8());
TestQuoteMeta("xyz", pcrecpp::UTF8()); // No fancy utf8
TestQuoteMeta("\xc2\xb0", pcrecpp::UTF8()); // 2-byte utf8 (degree symbol)
TestQuoteMeta("27\xc2\xb0 degrees", pcrecpp::UTF8()); // As a middle character
TestQuoteMeta("\xe2\x80\xb3", pcrecpp::UTF8()); // 3-byte utf8 (double prime)
TestQuoteMeta("\xf0\x9d\x85\x9f", pcrecpp::UTF8()); // 4-byte utf8 (music note)
TestQuoteMeta("27\xc2\xb0"); // Interpreted as Latin-1, but should still work
NegativeTestQuoteMeta("27\xc2\xb0", // 2-byte utf (degree symbol)
"27\\\xc2\\\xb0",
pcrecpp::UTF8());
#endif
}
static void TestQuoteMetaAll() {
printf("Testing QuoteMeta\n");
TestQuotaMetaSimple();
TestQuoteMetaSimpleNegative();
TestQuoteMetaLatin1();
TestQuoteMetaUtf8();
}
//
// Options tests contributed by
// Giuseppe Maxia, CTO, Stardata s.r.l.
// July 2005
//
static void GetOneOptionResult(
const char *option_name,
const char *regex,
const char *str,
RE_Options options,
bool full,
string expected) {
printf("Testing Option <%s>\n", option_name);
if(VERBOSE_TEST)
printf("/%s/ finds \"%s\" within \"%s\" \n",
regex,
expected.c_str(),
str);
string captured("");
if (full)
RE(regex,options).FullMatch(str, &captured);
else
RE(regex,options).PartialMatch(str, &captured);
CHECK_EQ(captured, expected);
}
static void TestOneOption(
const char *option_name,
const char *regex,
const char *str,
RE_Options options,
bool full,
bool assertive = true) {
printf("Testing Option <%s>\n", option_name);
if (VERBOSE_TEST)
printf("'%s' %s /%s/ \n",
str,
(assertive? "matches" : "doesn't match"),
regex);
if (assertive) {
if (full)
CHECK(RE(regex,options).FullMatch(str));
else
CHECK(RE(regex,options).PartialMatch(str));
} else {
if (full)
CHECK(!RE(regex,options).FullMatch(str));
else
CHECK(!RE(regex,options).PartialMatch(str));
}
}
static void Test_CASELESS() {
RE_Options options;
RE_Options options2;
options.set_caseless(true);
TestOneOption("CASELESS (class)", "HELLO", "hello", options, false);
TestOneOption("CASELESS (class2)", "HELLO", "hello", options2.set_caseless(true), false);
TestOneOption("CASELESS (class)", "^[A-Z]+$", "Hello", options, false);
TestOneOption("CASELESS (function)", "HELLO", "hello", pcrecpp::CASELESS(), false);
TestOneOption("CASELESS (function)", "^[A-Z]+$", "Hello", pcrecpp::CASELESS(), false);
options.set_caseless(false);
TestOneOption("no CASELESS", "HELLO", "hello", options, false, false);
}
static void Test_MULTILINE() {
RE_Options options;
RE_Options options2;
const char *str = "HELLO\n" "cruel\n" "world\n";
options.set_multiline(true);
TestOneOption("MULTILINE (class)", "^cruel$", str, options, false);
TestOneOption("MULTILINE (class2)", "^cruel$", str, options2.set_multiline(true), false);
TestOneOption("MULTILINE (function)", "^cruel$", str, pcrecpp::MULTILINE(), false);
options.set_multiline(false);
TestOneOption("no MULTILINE", "^cruel$", str, options, false, false);
}
static void Test_DOTALL() {
RE_Options options;
RE_Options options2;
const char *str = "HELLO\n" "cruel\n" "world";
options.set_dotall(true);
TestOneOption("DOTALL (class)", "HELLO.*world", str, options, true);
TestOneOption("DOTALL (class2)", "HELLO.*world", str, options2.set_dotall(true), true);
TestOneOption("DOTALL (function)", "HELLO.*world", str, pcrecpp::DOTALL(), true);
options.set_dotall(false);
TestOneOption("no DOTALL", "HELLO.*world", str, options, true, false);
}
static void Test_DOLLAR_ENDONLY() {
RE_Options options;
RE_Options options2;
const char *str = "HELLO world\n";
TestOneOption("no DOLLAR_ENDONLY", "world$", str, options, false);
options.set_dollar_endonly(true);
TestOneOption("DOLLAR_ENDONLY 1", "world$", str, options, false, false);
TestOneOption("DOLLAR_ENDONLY 2", "world$", str, options2.set_dollar_endonly(true), false, false);
}
static void Test_EXTRA() {
RE_Options options;
const char *str = "HELLO";
options.set_extra(true);
TestOneOption("EXTRA 1", "\\HELL\\O", str, options, true, false );
TestOneOption("EXTRA 2", "\\HELL\\O", str, RE_Options().set_extra(true), true, false );
options.set_extra(false);
TestOneOption("no EXTRA", "\\HELL\\O", str, options, true );
}
static void Test_EXTENDED() {
RE_Options options;
RE_Options options2;
const char *str = "HELLO world";
options.set_extended(true);
TestOneOption("EXTENDED (class)", "HELLO world", str, options, false, false);
TestOneOption("EXTENDED (class2)", "HELLO world", str, options2.set_extended(true), false, false);
TestOneOption("EXTENDED (class)",
"^ HE L{2} O "
"\\s+ "
"\\w+ $ ",
str,
options,
false);
TestOneOption("EXTENDED (function)", "HELLO world", str, pcrecpp::EXTENDED(), false, false);
TestOneOption("EXTENDED (function)",
"^ HE L{2} O "
"\\s+ "
"\\w+ $ ",
str,
pcrecpp::EXTENDED(),
false);
options.set_extended(false);
TestOneOption("no EXTENDED", "HELLO world", str, options, false);
}
static void Test_NO_AUTO_CAPTURE() {
RE_Options options;
const char *str = "HELLO world";
string captured;
printf("Testing Option <no NO_AUTO_CAPTURE>\n");
if (VERBOSE_TEST)
printf("parentheses capture text\n");
RE re("(world|universe)$", options);
CHECK(re.Extract("\\1", str , &captured));
CHECK_EQ(captured, "world");
options.set_no_auto_capture(true);
printf("testing Option <NO_AUTO_CAPTURE>\n");
if (VERBOSE_TEST)
printf("parentheses do not capture text\n");
re.Extract("\\1",str, &captured );
CHECK_EQ(captured, "world");
}
static void Test_UNGREEDY() {
RE_Options options;
const char *str = "HELLO, 'this' is the 'world'";
options.set_ungreedy(true);
GetOneOptionResult("UNGREEDY 1", "('.*')", str, options, false, "'this'" );
GetOneOptionResult("UNGREEDY 2", "('.*')", str, RE_Options().set_ungreedy(true), false, "'this'" );
GetOneOptionResult("UNGREEDY", "('.*?')", str, options, false, "'this' is the 'world'" );
options.set_ungreedy(false);
GetOneOptionResult("no UNGREEDY", "('.*')", str, options, false, "'this' is the 'world'" );
GetOneOptionResult("no UNGREEDY", "('.*?')", str, options, false, "'this'" );
}
static void Test_all_options() {
const char *str = "HELLO\n" "cruel\n" "world";
RE_Options options;
options.set_all_options(PCRE_CASELESS | PCRE_DOTALL);
TestOneOption("all_options (CASELESS|DOTALL)", "^hello.*WORLD", str , options, false);
options.set_all_options(0);
TestOneOption("all_options (0)", "^hello.*WORLD", str , options, false, false);
options.set_all_options(PCRE_MULTILINE | PCRE_EXTENDED);
TestOneOption("all_options (MULTILINE|EXTENDED)", " ^ c r u e l $ ", str, options, false);
TestOneOption("all_options (MULTILINE|EXTENDED) with constructor",
" ^ c r u e l $ ",
str,
RE_Options(PCRE_MULTILINE | PCRE_EXTENDED),
false);
TestOneOption("all_options (MULTILINE|EXTENDED) with concatenation",
" ^ c r u e l $ ",
str,
RE_Options()
.set_multiline(true)
.set_extended(true),
false);
options.set_all_options(0);
TestOneOption("all_options (0)", "^ c r u e l $", str, options, false, false);
}
static void TestOptions() {
printf("Testing Options\n");
Test_CASELESS();
Test_MULTILINE();
Test_DOTALL();
Test_DOLLAR_ENDONLY();
Test_EXTENDED();
Test_NO_AUTO_CAPTURE();
Test_UNGREEDY();
Test_EXTRA();
Test_all_options();
}
static void TestConstructors() {
printf("Testing constructors\n");
RE_Options options;
options.set_dotall(true);
const char *str = "HELLO\n" "cruel\n" "world";
RE orig("HELLO.*world", options);
CHECK(orig.FullMatch(str));
RE copy1(orig);
CHECK(copy1.FullMatch(str));
RE copy2("not a match");
CHECK(!copy2.FullMatch(str));
copy2 = copy1;
CHECK(copy2.FullMatch(str));
copy2 = orig;
CHECK(copy2.FullMatch(str));
// Make sure when we assign to ourselves, nothing bad happens
orig = orig;
copy1 = copy1;
copy2 = copy2;
CHECK(orig.FullMatch(str));
CHECK(copy1.FullMatch(str));
CHECK(copy2.FullMatch(str));
}
int main(int argc, char** argv) {
// Treat any flag as --help
if (argc > 1 && argv[1][0] == '-') {
printf("Usage: %s [timing1|timing2|timing3 num-iters]\n"
" If 'timingX ###' is specified, run the given timing test\n"
" with the given number of iterations, rather than running\n"
" the default corectness test.\n", argv[0]);
return 0;
}
if (argc > 1) {
if ( argc == 2 || atoi(argv[2]) == 0) {
printf("timing mode needs a num-iters argument\n");
return 1;
}
if (!strcmp(argv[1], "timing1"))
Timing1(atoi(argv[2]));
else if (!strcmp(argv[1], "timing2"))
Timing2(atoi(argv[2]));
else if (!strcmp(argv[1], "timing3"))
Timing3(atoi(argv[2]));
else
printf("Unknown argument '%s'\n", argv[1]);
return 0;
}
printf("Testing FullMatch\n");
int i;
string s;
/***** FullMatch with no args *****/
CHECK(RE("h.*o").FullMatch("hello"));
CHECK(!RE("h.*o").FullMatch("othello")); // Must be anchored at front
CHECK(!RE("h.*o").FullMatch("hello!")); // Must be anchored at end
CHECK(RE("a*").FullMatch("aaaa")); // Fullmatch with normal op
CHECK(RE("a*?").FullMatch("aaaa")); // Fullmatch with nongreedy op
CHECK(RE("a*?\\z").FullMatch("aaaa")); // Two unusual ops
/***** FullMatch with args *****/
// Zero-arg
CHECK(RE("\\d+").FullMatch("1001"));
// Single-arg
CHECK(RE("(\\d+)").FullMatch("1001", &i));
CHECK_EQ(i, 1001);
CHECK(RE("(-?\\d+)").FullMatch("-123", &i));
CHECK_EQ(i, -123);
CHECK(!RE("()\\d+").FullMatch("10", &i));
CHECK(!RE("(\\d+)").FullMatch("1234567890123456789012345678901234567890",
&i));
// Digits surrounding integer-arg
CHECK(RE("1(\\d*)4").FullMatch("1234", &i));
CHECK_EQ(i, 23);
CHECK(RE("(\\d)\\d+").FullMatch("1234", &i));
CHECK_EQ(i, 1);
CHECK(RE("(-\\d)\\d+").FullMatch("-1234", &i));
CHECK_EQ(i, -1);
CHECK(RE("(\\d)").PartialMatch("1234", &i));
CHECK_EQ(i, 1);
CHECK(RE("(-\\d)").PartialMatch("-1234", &i));
CHECK_EQ(i, -1);
// String-arg
CHECK(RE("h(.*)o").FullMatch("hello", &s));
CHECK_EQ(s, string("ell"));
// StringPiece-arg
StringPiece sp;
CHECK(RE("(\\w+):(\\d+)").FullMatch("ruby:1234", &sp, &i));
CHECK_EQ(sp.size(), 4);
CHECK(memcmp(sp.data(), "ruby", 4) == 0);
CHECK_EQ(i, 1234);
// Multi-arg
CHECK(RE("(\\w+):(\\d+)").FullMatch("ruby:1234", &s, &i));
CHECK_EQ(s, string("ruby"));
CHECK_EQ(i, 1234);
// Ignore non-void* NULL arg
CHECK(RE("he(.*)lo").FullMatch("hello", (char*)NULL));
CHECK(RE("h(.*)o").FullMatch("hello", (string*)NULL));
CHECK(RE("h(.*)o").FullMatch("hello", (StringPiece*)NULL));
CHECK(RE("(.*)").FullMatch("1234", (int*)NULL));
#ifdef HAVE_LONG_LONG
CHECK(RE("(.*)").FullMatch("1234567890123456", (long long*)NULL));
#endif
CHECK(RE("(.*)").FullMatch("123.4567890123456", (double*)NULL));
CHECK(RE("(.*)").FullMatch("123.4567890123456", (float*)NULL));
// Fail on non-void* NULL arg if the match doesn't parse for the given type.
CHECK(!RE("h(.*)lo").FullMatch("hello", &s, (char*)NULL));
CHECK(!RE("(.*)").FullMatch("hello", (int*)NULL));
CHECK(!RE("(.*)").FullMatch("1234567890123456", (int*)NULL));
CHECK(!RE("(.*)").FullMatch("hello", (double*)NULL));
CHECK(!RE("(.*)").FullMatch("hello", (float*)NULL));
// Ignored arg
CHECK(RE("(\\w+)(:)(\\d+)").FullMatch("ruby:1234", &s, (void*)NULL, &i));
CHECK_EQ(s, string("ruby"));
CHECK_EQ(i, 1234);
// Type tests
{
char c;
CHECK(RE("(H)ello").FullMatch("Hello", &c));
CHECK_EQ(c, 'H');
}
{
unsigned char c;
CHECK(RE("(H)ello").FullMatch("Hello", &c));
CHECK_EQ(c, static_cast<unsigned char>('H'));
}
{
short v;
CHECK(RE("(-?\\d+)").FullMatch("100", &v)); CHECK_EQ(v, 100);
CHECK(RE("(-?\\d+)").FullMatch("-100", &v)); CHECK_EQ(v, -100);
CHECK(RE("(-?\\d+)").FullMatch("32767", &v)); CHECK_EQ(v, 32767);
CHECK(RE("(-?\\d+)").FullMatch("-32768", &v)); CHECK_EQ(v, -32768);
CHECK(!RE("(-?\\d+)").FullMatch("-32769", &v));
CHECK(!RE("(-?\\d+)").FullMatch("32768", &v));
}
{
unsigned short v;
CHECK(RE("(\\d+)").FullMatch("100", &v)); CHECK_EQ(v, 100);
CHECK(RE("(\\d+)").FullMatch("32767", &v)); CHECK_EQ(v, 32767);
CHECK(RE("(\\d+)").FullMatch("65535", &v)); CHECK_EQ(v, 65535);
CHECK(!RE("(\\d+)").FullMatch("65536", &v));
}
{
int v;
static const int max_value = 0x7fffffff;
static const int min_value = -max_value - 1;
CHECK(RE("(-?\\d+)").FullMatch("100", &v)); CHECK_EQ(v, 100);
CHECK(RE("(-?\\d+)").FullMatch("-100", &v)); CHECK_EQ(v, -100);
CHECK(RE("(-?\\d+)").FullMatch("2147483647", &v)); CHECK_EQ(v, max_value);
CHECK(RE("(-?\\d+)").FullMatch("-2147483648", &v)); CHECK_EQ(v, min_value);
CHECK(!RE("(-?\\d+)").FullMatch("-2147483649", &v));
CHECK(!RE("(-?\\d+)").FullMatch("2147483648", &v));
}
{
unsigned int v;
static const unsigned int max_value = 0xfffffffful;
CHECK(RE("(\\d+)").FullMatch("100", &v)); CHECK_EQ(v, 100);
CHECK(RE("(\\d+)").FullMatch("4294967295", &v)); CHECK_EQ(v, max_value);
CHECK(!RE("(\\d+)").FullMatch("4294967296", &v));
}
#ifdef HAVE_LONG_LONG
# if defined(__MINGW__) || defined(__MINGW32__)
# define LLD "%I64d"
# define LLU "%I64u"
# else
# define LLD "%lld"
# define LLU "%llu"
# endif
{
long long v;
static const long long max_value = 0x7fffffffffffffffLL;
static const long long min_value = -max_value - 1;
char buf[32]; // definitely big enough for a long long
CHECK(RE("(-?\\d+)").FullMatch("100", &v)); CHECK_EQ(v, 100);
CHECK(RE("(-?\\d+)").FullMatch("-100",&v)); CHECK_EQ(v, -100);
sprintf(buf, LLD, max_value);
CHECK(RE("(-?\\d+)").FullMatch(buf,&v)); CHECK_EQ(v, max_value);
sprintf(buf, LLD, min_value);
CHECK(RE("(-?\\d+)").FullMatch(buf,&v)); CHECK_EQ(v, min_value);
sprintf(buf, LLD, max_value);
assert(buf[strlen(buf)-1] != '9');
buf[strlen(buf)-1]++;
CHECK(!RE("(-?\\d+)").FullMatch(buf, &v));
sprintf(buf, LLD, min_value);
assert(buf[strlen(buf)-1] != '9');
buf[strlen(buf)-1]++;
CHECK(!RE("(-?\\d+)").FullMatch(buf, &v));
}
#endif
#if defined HAVE_UNSIGNED_LONG_LONG && defined HAVE_LONG_LONG
{
unsigned long long v;
long long v2;
static const unsigned long long max_value = 0xffffffffffffffffULL;
char buf[32]; // definitely big enough for a unsigned long long
CHECK(RE("(-?\\d+)").FullMatch("100",&v)); CHECK_EQ(v, 100);
CHECK(RE("(-?\\d+)").FullMatch("-100",&v2)); CHECK_EQ(v2, -100);
sprintf(buf, LLU, max_value);
CHECK(RE("(-?\\d+)").FullMatch(buf,&v)); CHECK_EQ(v, max_value);
assert(buf[strlen(buf)-1] != '9');
buf[strlen(buf)-1]++;
CHECK(!RE("(-?\\d+)").FullMatch(buf, &v));
}
#endif
{
float v;
CHECK(RE("(.*)").FullMatch("100", &v));
CHECK(RE("(.*)").FullMatch("-100.", &v));
CHECK(RE("(.*)").FullMatch("1e23", &v));
}
{
double v;
CHECK(RE("(.*)").FullMatch("100", &v));
CHECK(RE("(.*)").FullMatch("-100.", &v));
CHECK(RE("(.*)").FullMatch("1e23", &v));
}
// Check that matching is fully anchored
CHECK(!RE("(\\d+)").FullMatch("x1001", &i));
CHECK(!RE("(\\d+)").FullMatch("1001x", &i));
CHECK(RE("x(\\d+)").FullMatch("x1001", &i)); CHECK_EQ(i, 1001);
CHECK(RE("(\\d+)x").FullMatch("1001x", &i)); CHECK_EQ(i, 1001);
// Braces
CHECK(RE("[0-9a-f+.-]{5,}").FullMatch("0abcd"));
CHECK(RE("[0-9a-f+.-]{5,}").FullMatch("0abcde"));
CHECK(!RE("[0-9a-f+.-]{5,}").FullMatch("0abc"));
// Complicated RE
CHECK(RE("foo|bar|[A-Z]").FullMatch("foo"));
CHECK(RE("foo|bar|[A-Z]").FullMatch("bar"));
CHECK(RE("foo|bar|[A-Z]").FullMatch("X"));
CHECK(!RE("foo|bar|[A-Z]").FullMatch("XY"));
// Check full-match handling (needs '$' tacked on internally)
CHECK(RE("fo|foo").FullMatch("fo"));
CHECK(RE("fo|foo").FullMatch("foo"));
CHECK(RE("fo|foo$").FullMatch("fo"));
CHECK(RE("fo|foo$").FullMatch("foo"));
CHECK(RE("foo$").FullMatch("foo"));
CHECK(!RE("foo\\$").FullMatch("foo$bar"));
CHECK(!RE("fo|bar").FullMatch("fox"));
// Uncomment the following if we change the handling of '$' to
// prevent it from matching a trailing newline
if (false) {
// Check that we don't get bitten by pcre's special handling of a
// '\n' at the end of the string matching '$'
CHECK(!RE("foo$").PartialMatch("foo\n"));
}
// Number of args
int a[16];
CHECK(RE("").FullMatch(""));
memset(a, 0, sizeof(0));
CHECK(RE("(\\d){1}").FullMatch("1",
&a[0]));
CHECK_EQ(a[0], 1);
memset(a, 0, sizeof(0));
CHECK(RE("(\\d)(\\d)").FullMatch("12",
&a[0], &a[1]));
CHECK_EQ(a[0], 1);
CHECK_EQ(a[1], 2);
memset(a, 0, sizeof(0));
CHECK(RE("(\\d)(\\d)(\\d)").FullMatch("123",
&a[0], &a[1], &a[2]));
CHECK_EQ(a[0], 1);
CHECK_EQ(a[1], 2);
CHECK_EQ(a[2], 3);
memset(a, 0, sizeof(0));
CHECK(RE("(\\d)(\\d)(\\d)(\\d)").FullMatch("1234",
&a[0], &a[1], &a[2], &a[3]));
CHECK_EQ(a[0], 1);
CHECK_EQ(a[1], 2);
CHECK_EQ(a[2], 3);
CHECK_EQ(a[3], 4);
memset(a, 0, sizeof(0));
CHECK(RE("(\\d)(\\d)(\\d)(\\d)(\\d)").FullMatch("12345",
&a[0], &a[1], &a[2],
&a[3], &a[4]));
CHECK_EQ(a[0], 1);
CHECK_EQ(a[1], 2);
CHECK_EQ(a[2], 3);
CHECK_EQ(a[3], 4);
CHECK_EQ(a[4], 5);
memset(a, 0, sizeof(0));
CHECK(RE("(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)").FullMatch("123456",
&a[0], &a[1], &a[2],
&a[3], &a[4], &a[5]));
CHECK_EQ(a[0], 1);
CHECK_EQ(a[1], 2);
CHECK_EQ(a[2], 3);
CHECK_EQ(a[3], 4);
CHECK_EQ(a[4], 5);
CHECK_EQ(a[5], 6);
memset(a, 0, sizeof(0));
CHECK(RE("(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)").FullMatch("1234567",
&a[0], &a[1], &a[2], &a[3],
&a[4], &a[5], &a[6]));
CHECK_EQ(a[0], 1);
CHECK_EQ(a[1], 2);
CHECK_EQ(a[2], 3);
CHECK_EQ(a[3], 4);
CHECK_EQ(a[4], 5);
CHECK_EQ(a[5], 6);
CHECK_EQ(a[6], 7);
memset(a, 0, sizeof(0));
CHECK(RE("(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)"
"(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)").FullMatch(
"1234567890123456",
&a[0], &a[1], &a[2], &a[3],
&a[4], &a[5], &a[6], &a[7],
&a[8], &a[9], &a[10], &a[11],
&a[12], &a[13], &a[14], &a[15]));
CHECK_EQ(a[0], 1);
CHECK_EQ(a[1], 2);
CHECK_EQ(a[2], 3);
CHECK_EQ(a[3], 4);
CHECK_EQ(a[4], 5);
CHECK_EQ(a[5], 6);
CHECK_EQ(a[6], 7);
CHECK_EQ(a[7], 8);
CHECK_EQ(a[8], 9);
CHECK_EQ(a[9], 0);
CHECK_EQ(a[10], 1);
CHECK_EQ(a[11], 2);
CHECK_EQ(a[12], 3);
CHECK_EQ(a[13], 4);
CHECK_EQ(a[14], 5);
CHECK_EQ(a[15], 6);
/***** PartialMatch *****/
printf("Testing PartialMatch\n");
CHECK(RE("h.*o").PartialMatch("hello"));
CHECK(RE("h.*o").PartialMatch("othello"));
CHECK(RE("h.*o").PartialMatch("hello!"));
CHECK(RE("((((((((((((((((((((x))))))))))))))))))))").PartialMatch("x"));
/***** other tests *****/
RadixTests();
TestReplace();
TestExtract();
TestConsume();
TestFindAndConsume();
TestQuoteMetaAll();
TestMatchNumberPeculiarity();
// Check the pattern() accessor
{
const string kPattern = "http://([^/]+)/.*";
const RE re(kPattern);
CHECK_EQ(kPattern, re.pattern());
}
// Check RE error field.
{
RE re("foo");
CHECK(re.error().empty()); // Must have no error
}
#ifdef SUPPORT_UTF8
// Check UTF-8 handling
{
printf("Testing UTF-8 handling\n");
// Three Japanese characters (nihongo)
const unsigned char utf8_string[] = {
0xe6, 0x97, 0xa5, // 65e5
0xe6, 0x9c, 0xac, // 627c
0xe8, 0xaa, 0x9e, // 8a9e
0
};
const unsigned char utf8_pattern[] = {
'.',
0xe6, 0x9c, 0xac, // 627c
'.',
0
};
// Both should match in either mode, bytes or UTF-8
RE re_test1(".........");
CHECK(re_test1.FullMatch(utf8_string));
RE re_test2("...", pcrecpp::UTF8());
CHECK(re_test2.FullMatch(utf8_string));
// Check that '.' matches one byte or UTF-8 character
// according to the mode.
string ss;
RE re_test3("(.)");
CHECK(re_test3.PartialMatch(utf8_string, &ss));
CHECK_EQ(ss, string("\xe6"));
RE re_test4("(.)", pcrecpp::UTF8());
CHECK(re_test4.PartialMatch(utf8_string, &ss));
CHECK_EQ(ss, string("\xe6\x97\xa5"));
// Check that string matches itself in either mode
RE re_test5(utf8_string);
CHECK(re_test5.FullMatch(utf8_string));
RE re_test6(utf8_string, pcrecpp::UTF8());
CHECK(re_test6.FullMatch(utf8_string));
// Check that pattern matches string only in UTF8 mode
RE re_test7(utf8_pattern);
CHECK(!re_test7.FullMatch(utf8_string));
RE re_test8(utf8_pattern, pcrecpp::UTF8());
CHECK(re_test8.FullMatch(utf8_string));
}
// Check that ungreedy, UTF8 regular expressions don't match when they
// oughtn't -- see bug 82246.
{
// This code always worked.
const char* pattern = "\\w+X";
const string target = "a aX";
RE match_sentence(pattern);
RE match_sentence_re(pattern, pcrecpp::UTF8());
CHECK(!match_sentence.FullMatch(target));
CHECK(!match_sentence_re.FullMatch(target));
}
{
const char* pattern = "(?U)\\w+X";
const string target = "a aX";
RE match_sentence(pattern);
RE match_sentence_re(pattern, pcrecpp::UTF8());
CHECK(!match_sentence.FullMatch(target));
CHECK(!match_sentence_re.FullMatch(target));
}
#endif /* def SUPPORT_UTF8 */
printf("Testing error reporting\n");
{ RE re("a\\1"); CHECK(!re.error().empty()); }
{
RE re("a[x");
CHECK(!re.error().empty());
}
{
RE re("a[z-a]");
CHECK(!re.error().empty());
}
{
RE re("a[[:foobar:]]");
CHECK(!re.error().empty());
}
{
RE re("a(b");
CHECK(!re.error().empty());
}
{
RE re("a\\");
CHECK(!re.error().empty());
}
// Test that recursion is stopped
TestRecursion();
// Test Options
if (getenv("VERBOSE_TEST") != NULL)
VERBOSE_TEST = true;
TestOptions();
// Test the constructors
TestConstructors();
// Done
printf("OK\n");
return 0;
}
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