//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <regex>
// multiline:
// Specifies that ^ shall match the beginning of a line and $ shall match
// the end of a line, if the ECMAScript engine is selected.
#include <regex>
#include <cassert>
#include "test_macros.h"
static void search(const char* pat, std::regex_constants::syntax_option_type f,
const char* target, bool expected)
{
std::regex re(pat, f);
std::cmatch m;
assert(std::regex_search(target, m, re) == expected);
if(expected) {
assert(m.size() == 1);
assert(m.length(0) == 3);
assert(m.str(0) == "foo");
}
else
{
assert(m.size() == 0);
}
}
int main(int, char**)
{
using std::regex_constants::ECMAScript;
using std::regex_constants::basic;
using std::regex_constants::extended;
using std::regex_constants::awk;
using std::regex_constants::grep;
using std::regex_constants::egrep;
using std::regex_constants::multiline;
{
const char* pat = "^foo";
const char* target = "foo";
search(pat, ECMAScript, target, true);
search(pat, basic, target, true);
search(pat, extended, target, true);
search(pat, awk, target, true);
search(pat, grep, target, true);
search(pat, egrep, target, true);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, true);
search(pat, extended | multiline, target, true);
search(pat, awk | multiline, target, true);
search(pat, grep | multiline, target, true);
search(pat, egrep | multiline, target, true);
}
{
const char* pat = "^foo";
const char* target = "\nfoo";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
{
const char* pat = "^foo";
const char* target = "bar\nfoo";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
{
const char* pat = "foo$";
const char* target = "foo";
search(pat, ECMAScript, target, true);
search(pat, basic, target, true);
search(pat, extended, target, true);
search(pat, awk, target, true);
search(pat, grep, target, true);
search(pat, egrep, target, true);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, true);
search(pat, extended | multiline, target, true);
search(pat, awk | multiline, target, true);
search(pat, grep | multiline, target, true);
search(pat, egrep | multiline, target, true);
}
{
const char* pat = "foo$";
const char* target = "foo\n";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
{
const char* pat = "foo$";
const char* target = "foo\nbar";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
{
const char* pat = "^foo";
const char* target = "foo";
search(pat, ECMAScript, target, true);
search(pat, basic, target, true);
search(pat, extended, target, true);
search(pat, awk, target, true);
search(pat, grep, target, true);
search(pat, egrep, target, true);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, true);
search(pat, extended | multiline, target, true);
search(pat, awk | multiline, target, true);
search(pat, grep | multiline, target, true);
search(pat, egrep | multiline, target, true);
}
{
const char* pat = "^foo";
const char* target = "\rfoo";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
{
const char* pat = "^foo";
const char* target = "bar\rfoo";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
{
const char* pat = "foo$";
const char* target = "foo";
search(pat, ECMAScript, target, true);
search(pat, basic, target, true);
search(pat, extended, target, true);
search(pat, awk, target, true);
search(pat, grep, target, true);
search(pat, egrep, target, true);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, true);
search(pat, extended | multiline, target, true);
search(pat, awk | multiline, target, true);
search(pat, grep | multiline, target, true);
search(pat, egrep | multiline, target, true);
}
{
const char* pat = "foo$";
const char* target = "foo\r";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
{
const char* pat = "foo$";
const char* target = "foo\rbar";
search(pat, ECMAScript, target, false);
search(pat, basic, target, false);
search(pat, extended, target, false);
search(pat, awk, target, false);
search(pat, grep, target, false);
search(pat, egrep, target, false);
search(pat, ECMAScript | multiline, target, true);
search(pat, basic | multiline, target, false);
search(pat, extended | multiline, target, false);
search(pat, awk | multiline, target, false);
search(pat, grep | multiline, target, false);
search(pat, egrep | multiline, target, false);
}
return 0;
}
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