tests/corelib_2/regexp/standalones_test.dart

// Copyright (c) 2014, the Dart project authors. All rights reserved.
// Copyright 2008 the V8 project authors. 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.

// @dart = 2.9

import 'v8_regexp_utils.dart';
import 'package:expect/expect.dart';

void main() {
  /* Many of the Mozilla regexp tests used 'toSource' to test their
  * results.  Since we don't currently support toSource, those tests
  * are disabled and standalone versions are included here.
  */

  // Tests from ecma_3/RegExp/regress-78156.js
  var string = 'aaa\n789\r\nccc\r\n345';
  var pattern = new RegExp(r"^\d", multiLine: true);
  var resultList = pattern.allMatches(string).toList();
  assertEquals(2, resultList.length, "1");
  assertEquals('7', resultList[0].group(0), "2");
  assertEquals('3', resultList[1].group(0), "3");

  pattern = new RegExp(r"\d$", multiLine: true);
  resultList = pattern.allMatches(string).toList();
  assertEquals(2, resultList.length, "4");
  assertEquals('9', resultList[0].group(0), "5");
  assertEquals('5', resultList[1].group(0), "6");

  string = 'aaa\n789\r\nccc\r\nddd';
  pattern = new RegExp(r"^\d", multiLine: true);
  resultList = pattern.allMatches(string).toList();
  assertEquals(1, resultList.length, "7");
  assertEquals('7', resultList[0].group(0), "8");

  pattern = new RegExp(r"\d$", multiLine: true);
  resultList = pattern.allMatches(string).toList();
  assertEquals(1, resultList.length, "9");
  assertEquals('9', resultList[0].group(0), "10");

  // Tests from ecma_3/RegExp/regress-72964.js
  pattern = new RegExp(r"[\S]+");
  string = '\u00BF\u00CD\u00BB\u00A7';
  var resultMatch = pattern.firstMatch(string);
  assertEquals(1, resultMatch.groupCount + 1, "11");
  assertEquals(string, resultMatch.group(0), "12");

  string = '\u00BF\u00CD \u00BB\u00A7';
  resultMatch = pattern.firstMatch(string);
  assertEquals(1, resultMatch.groupCount + 1, "13");
  assertEquals('\u00BF\u00CD', resultMatch.group(0), "14");

  string = '\u4e00\uac00\u4e03\u4e00';
  resultMatch = pattern.firstMatch(string);
  assertEquals(1, resultMatch.groupCount + 1, "15");
  assertEquals(string, resultMatch.group(0), "16");

  string = '\u4e00\uac00 \u4e03\u4e00';
  resultMatch = pattern.firstMatch(string);
  assertEquals(1, resultMatch.groupCount + 1, "17");
  assertEquals('\u4e00\uac00', resultMatch.group(0), "18");
}