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Change-Id: I5bacd28d806661b9190d4b097955263a56f19a4d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128110 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
72 lines
3 KiB
Dart
72 lines
3 KiB
Dart
// Copyright (c) 2014, the Dart project authors. All rights reserved.
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import 'v8_regexp_utils.dart';
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import 'package:expect/expect.dart';
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void main() {
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description(
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"This page tests the regex examples from the ECMA-262 specification.");
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var regex01 = new RegExp(r"a|ab");
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shouldBe(regex01.firstMatch("abc"), ["a"]);
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var regex02 = new RegExp(r"((a)|(ab))((c)|(bc))");
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shouldBe(
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regex02.firstMatch("abc"), ["abc", "a", "a", null, "bc", null, "bc"]);
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var regex03 = new RegExp(r"a[a-z]{2,4}");
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shouldBe(regex03.firstMatch("abcdefghi"), ["abcde"]);
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var regex04 = new RegExp(r"a[a-z]{2,4}?");
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shouldBe(regex04.firstMatch("abcdefghi"), ["abc"]);
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var regex05 = new RegExp(r"(aa|aabaac|ba|b|c)*");
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shouldBe(regex05.firstMatch("aabaac"), ["aaba", "ba"]);
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var regex06 = new RegExp(r"^(a+)\1*,\1+$");
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Expect.equals(
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"aaaaaaaaaa,aaaaaaaaaaaaaaa".replaceAllMapped(regex06, (m) => m.group(1)!),
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"aaaaa");
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var regex07 = new RegExp(r"(z)((a+)?(b+)?(c))*");
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shouldBe(regex07.firstMatch("zaacbbbcac"),
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["zaacbbbcac", "z", "ac", "a", null, "c"]);
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var regex08 = new RegExp(r"(a*)*");
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shouldBe(regex08.firstMatch("b"), ["", null]);
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var regex09 = new RegExp(r"(a*)b\1+");
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shouldBe(regex09.firstMatch("baaaac"), ["b", ""]);
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var regex10 = new RegExp(r"(?=(a+))");
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shouldBe(regex10.firstMatch("baaabac"), ["", "aaa"]);
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var regex11 = new RegExp(r"(?=(a+))a*b\1");
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shouldBe(regex11.firstMatch("baaabac"), ["aba", "a"]);
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var regex12 = new RegExp(r"(.*?)a(?!(a+)b\2c)\2(.*)");
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shouldBe(regex12.firstMatch("baaabaac"), ["baaabaac", "ba", null, "abaac"]);
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}
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