tests/corelib/regexp/regexp_kde_test.dart

// Copyright (c) 2014, the Dart project authors. All rights reserved.
// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple 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:
// 1.  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 2.  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.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.

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

void main() {
  description("KDE JS Test");

  var ri = new RegExp(r"a", caseSensitive: false);
  var rm = new RegExp(r"a", multiLine: true);
  var rg = new RegExp(r"a");

  shouldBe(new RegExp(r"(b)c").firstMatch('abcd'), ["bc", "b"]);

  shouldBe(firstMatch('abcdefghi', new RegExp(r"(abc)def(ghi)")), [
    'abcdefghi',
    'abc',
    'ghi',
  ]);
  shouldBe(new RegExp(r"(abc)def(ghi)").firstMatch('abcdefghi'), [
    'abcdefghi',
    'abc',
    'ghi',
  ]);

  shouldBe(firstMatch('abcdefghi', new RegExp(r"(a(b(c(d(e)f)g)h)i)")), [
    'abcdefghi',
    'abcdefghi',
    'bcdefgh',
    'cdefg',
    'def',
    'e',
  ]);

  shouldBe(
    firstMatch(
      '(100px 200px 150px 15px)',
      new RegExp(r"\((\d+)(px)* (\d+)(px)* (\d+)(px)* (\d+)(px)*\)"),
    ),
    [
      '(100px 200px 150px 15px)',
      '100',
      'px',
      '200',
      'px',
      '150',
      'px',
      '15',
      'px',
    ],
  );
  shouldBeNull(
    firstMatch(
      '',
      new RegExp(r"\((\d+)(px)* (\d+)(px)* (\d+)(px)* (\d+)(px)*\)"),
    ),
  );

  var invalidChars = new RegExp(r"[^@\.\w]"); // #47092
  shouldBeTrue(firstMatch('faure@kde.org', invalidChars) == null);
  shouldBeFalse(firstMatch('faure-kde@kde.org', invalidChars) == null);

  assertEquals('test1test2'.replaceAll('test', 'X'), 'X1X2');
  assertEquals('test1test2'.replaceAll(new RegExp(r"\d"), 'X'), 'testXtestX');
  assertEquals('1test2test3'.replaceAll(new RegExp(r"\d"), ''), 'testtest');
  assertEquals('test1test2'.replaceAll(new RegExp(r"test"), 'X'), 'X1X2');
  assertEquals('1test2test3'.replaceAll(new RegExp(r"\d"), ''), 'testtest');
  assertEquals('1test2test3'.replaceAll(new RegExp(r"x"), ''), '1test2test3');
  assertEquals(
    'test1test2'.replaceAllMapped(
      new RegExp(r"(te)(st)"),
      (m) => "${m.group(2)}${m.group(1)}",
    ),
    'stte1stte2',
  );
  assertEquals('foo+bar'.replaceAll(new RegExp(r"\+"), '%2B'), 'foo%2Bbar');
  var caught = false;
  try {
    new RegExp("+");
  } catch (e) {
    caught = true;
  }
  shouldBeTrue(caught); // #40435
  assertEquals('foo'.replaceAll(new RegExp(r"z?"), 'x'), 'xfxoxox');
  assertEquals(
    'test test'.replaceAll(new RegExp(r"\s*"), ''),
    'testtest',
  ); // #50985
  assertEquals(
    'abc\$%@'.replaceAll(new RegExp(r"[^0-9a-z]*", caseSensitive: false), ''),
    'abc',
  ); // #50848
  assertEquals(
    'ab'.replaceAll(new RegExp(r"[^\d\.]*", caseSensitive: false), ''),
    '',
  ); // #75292
  assertEquals(
    '1ab'.replaceAll(new RegExp(r"[^\d\.]*", caseSensitive: false), ''),
    '1',
  ); // #75292

  Expect.listEquals('1test2test3blah'.split(new RegExp(r"test")), [
    '1',
    '2',
    '3blah',
  ]);
  var reg = new RegExp(r"(\d\d )");
  var str = '98 76 blah';
  shouldBe(reg.firstMatch(str), ['98 ', '98 ']);

  str = "For more information, see Chapter 3.4.5.1";
  var re = new RegExp(r"(chapter \d+(\.\d)*)", caseSensitive: false);
  // This returns the array containing Chapter 3.4.5.1,Chapter 3.4.5.1,.1
  // 'Chapter 3.4.5.1' is the first match and the first value remembered from (Chapter \d+(\.\d)*).
  // '.1' is the second value remembered from (\.\d)
  shouldBe(firstMatch(str, re), ['Chapter 3.4.5.1', 'Chapter 3.4.5.1', '.1']);

  str = "abcDdcba";
  // The returned array contains D, d.
  re = new RegExp(r"d", caseSensitive: false);
  var matches = re.allMatches(str);
  Expect.listEquals(matches.map((m) => m.group(0)).toList(), ['D', 'd']);

  // unicode escape sequence
  shouldBe(firstMatch('abc', new RegExp(r"\u0062")), ['b']);
}