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// 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.
//
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// 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.
//
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// @dart = 2.9
import 'v8_regexp_utils.dart';
import 'package:expect/expect.dart';
void main() {
description("This page tests handling of parentheses subexpressions.");
var regexp1 = new RegExp(r".*blah.*");
shouldBeNull(regexp1.firstMatch('test'));
shouldBe(regexp1.firstMatch('blah'), ['blah']);
shouldBe(regexp1.firstMatch('1blah'), ['1blah']);
shouldBe(regexp1.firstMatch('blah1'), ['blah1']);
shouldBe(regexp1.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBe(regexp1.firstMatch('blah\nsecond'), ['blah']);
shouldBe(regexp1.firstMatch('first\nblah'), ['blah']);
shouldBe(regexp1.firstMatch('first\nblah\nthird'), ['blah']);
shouldBe(regexp1.firstMatch('first\nblah2\nblah3'), ['blah2']);
var regexp2 = new RegExp(r"^.*blah.*");
shouldBeNull(regexp2.firstMatch('test'));
shouldBe(regexp2.firstMatch('blah'), ['blah']);
shouldBe(regexp2.firstMatch('1blah'), ['1blah']);
shouldBe(regexp2.firstMatch('blah1'), ['blah1']);
shouldBe(regexp2.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBe(regexp2.firstMatch('blah\nsecond'), ['blah']);
shouldBeNull(regexp2.firstMatch('first\nblah'));
shouldBeNull(regexp2.firstMatch('first\nblah\nthird'));
shouldBeNull(regexp2.firstMatch('first\nblah2\nblah3'));
var regexp3 = new RegExp(r".*blah.*$");
shouldBeNull(regexp3.firstMatch('test'));
shouldBe(regexp3.firstMatch('blah'), ['blah']);
shouldBe(regexp3.firstMatch('1blah'), ['1blah']);
shouldBe(regexp3.firstMatch('blah1'), ['blah1']);
shouldBe(regexp3.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBeNull(regexp3.firstMatch('blah\nsecond'));
shouldBe(regexp3.firstMatch('first\nblah'), ['blah']);
shouldBeNull(regexp3.firstMatch('first\nblah\nthird'));
shouldBe(regexp3.firstMatch('first\nblah2\nblah3'), ['blah3']);
var regexp4 = new RegExp(r"^.*blah.*$");
shouldBeNull(regexp4.firstMatch('test'));
shouldBe(regexp4.firstMatch('blah'), ['blah']);
shouldBe(regexp4.firstMatch('1blah'), ['1blah']);
shouldBe(regexp4.firstMatch('blah1'), ['blah1']);
shouldBe(regexp4.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBeNull(regexp4.firstMatch('blah\nsecond'));
shouldBeNull(regexp4.firstMatch('first\nblah'));
shouldBeNull(regexp4.firstMatch('first\nblah\nthird'));
shouldBeNull(regexp4.firstMatch('first\nblah2\nblah3'));
var regexp5 = new RegExp(r".*?blah.*");
shouldBeNull(regexp5.firstMatch('test'));
shouldBe(regexp5.firstMatch('blah'), ['blah']);
shouldBe(regexp5.firstMatch('1blah'), ['1blah']);
shouldBe(regexp5.firstMatch('blah1'), ['blah1']);
shouldBe(regexp5.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBe(regexp5.firstMatch('blah\nsecond'), ['blah']);
shouldBe(regexp5.firstMatch('first\nblah'), ['blah']);
shouldBe(regexp5.firstMatch('first\nblah\nthird'), ['blah']);
shouldBe(regexp5.firstMatch('first\nblah2\nblah3'), ['blah2']);
var regexp6 = new RegExp(r".*blah.*?");
shouldBeNull(regexp6.firstMatch('test'));
shouldBe(regexp6.firstMatch('blah'), ['blah']);
shouldBe(regexp6.firstMatch('1blah'), ['1blah']);
shouldBe(regexp6.firstMatch('blah1'), ['blah']);
shouldBe(regexp6.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBe(regexp6.firstMatch('blah\nsecond'), ['blah']);
shouldBe(regexp6.firstMatch('first\nblah'), ['blah']);
shouldBe(regexp6.firstMatch('first\nblah\nthird'), ['blah']);
shouldBe(regexp6.firstMatch('first\nblah2\nblah3'), ['blah']);
var regexp7 = new RegExp(r"^.*?blah.*?$");
shouldBeNull(regexp7.firstMatch('test'));
shouldBe(regexp7.firstMatch('blah'), ['blah']);
shouldBe(regexp7.firstMatch('1blah'), ['1blah']);
shouldBe(regexp7.firstMatch('blah1'), ['blah1']);
shouldBe(regexp7.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBeNull(regexp7.firstMatch('blah\nsecond'));
shouldBeNull(regexp7.firstMatch('first\nblah'));
shouldBeNull(regexp7.firstMatch('first\nblah\nthird'));
shouldBeNull(regexp7.firstMatch('first\nblah2\nblah3'));
var regexp8 = new RegExp(r"^(.*)blah.*$");
shouldBeNull(regexp8.firstMatch('test'));
shouldBe(regexp8.firstMatch('blah'), ['blah', '']);
shouldBe(regexp8.firstMatch('1blah'), ['1blah', '1']);
shouldBe(regexp8.firstMatch('blah1'), ['blah1', '']);
shouldBe(
regexp8.firstMatch('blah blah blah'), ['blah blah blah', 'blah blah ']);
shouldBeNull(regexp8.firstMatch('blah\nsecond'));
shouldBeNull(regexp8.firstMatch('first\nblah'));
shouldBeNull(regexp8.firstMatch('first\nblah\nthird'));
shouldBeNull(regexp8.firstMatch('first\nblah2\nblah3'));
var regexp9 = new RegExp(r".*blah.*", multiLine: true);
shouldBeNull(regexp9.firstMatch('test'));
shouldBe(regexp9.firstMatch('blah'), ['blah']);
shouldBe(regexp9.firstMatch('1blah'), ['1blah']);
shouldBe(regexp9.firstMatch('blah1'), ['blah1']);
shouldBe(regexp9.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBe(regexp9.firstMatch('blah\nsecond'), ['blah']);
shouldBe(regexp9.firstMatch('first\nblah'), ['blah']);
shouldBe(regexp9.firstMatch('first\nblah\nthird'), ['blah']);
shouldBe(regexp9.firstMatch('first\nblah2\nblah3'), ['blah2']);
var regexp10 = new RegExp(r"^.*blah.*", multiLine: true);
shouldBeNull(regexp10.firstMatch('test'));
shouldBe(regexp10.firstMatch('blah'), ['blah']);
shouldBe(regexp10.firstMatch('1blah'), ['1blah']);
shouldBe(regexp10.firstMatch('blah1'), ['blah1']);
shouldBe(regexp10.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBe(regexp10.firstMatch('blah\nsecond'), ['blah']);
shouldBe(regexp10.firstMatch('first\nblah'), ['blah']);
shouldBe(regexp10.firstMatch('first\nblah\nthird'), ['blah']);
shouldBe(regexp10.firstMatch('first\nblah2\nblah3'), ['blah2']);
var regexp11 = new RegExp(r".*(?:blah).*$");
shouldBeNull(regexp11.firstMatch('test'));
shouldBe(regexp11.firstMatch('blah'), ['blah']);
shouldBe(regexp11.firstMatch('1blah'), ['1blah']);
shouldBe(regexp11.firstMatch('blah1'), ['blah1']);
shouldBe(regexp11.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBeNull(regexp11.firstMatch('blah\nsecond'));
shouldBe(regexp11.firstMatch('first\nblah'), ['blah']);
shouldBeNull(regexp11.firstMatch('first\nblah\nthird'));
shouldBe(regexp11.firstMatch('first\nblah2\nblah3'), ['blah3']);
var regexp12 = new RegExp(r".*(?:blah|buzz|bang).*$");
shouldBeNull(regexp12.firstMatch('test'));
shouldBe(regexp12.firstMatch('blah'), ['blah']);
shouldBe(regexp12.firstMatch('1blah'), ['1blah']);
shouldBe(regexp12.firstMatch('blah1'), ['blah1']);
shouldBe(regexp12.firstMatch('blah blah blah'), ['blah blah blah']);
shouldBeNull(regexp12.firstMatch('blah\nsecond'));
shouldBe(regexp12.firstMatch('first\nblah'), ['blah']);
shouldBeNull(regexp12.firstMatch('first\nblah\nthird'));
shouldBe(regexp12.firstMatch('first\nblah2\nblah3'), ['blah3']);
var regexp13 = new RegExp(r".*\n\d+.*");
shouldBe(regexp13.firstMatch('abc\n123'), ['abc\n123']);
}