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4eda30c5c2
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>
94 lines
4.7 KiB
Dart
94 lines
4.7 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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'Tests that regular expressions do not have extensions that diverge from the JavaScript specification. ' +
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'Because WebKit originally used a copy of PCRE, various non-JavaScript regular expression features were historically present. ' +
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'Also tests various related edge cases.');
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shouldBeNull(new RegExp(r"\\x{41}").firstMatch("yA1"));
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assertEquals(new RegExp(r"[\x{41}]").firstMatch("yA1")!.group(0), "1");
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assertEquals(new RegExp(r"\x1g").firstMatch("x1g")!.group(0), "x1g");
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assertEquals(new RegExp(r"[\x1g]").firstMatch("x")!.group(0), "x");
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assertEquals(new RegExp(r"[\x1g]").firstMatch("1")!.group(0), "1");
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assertEquals(
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new RegExp(r"\2147483648")
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.firstMatch(new String.fromCharCode(140) + "7483648")!
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.group(0),
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new String.fromCharCode(140) + "7483648");
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assertEquals(new RegExp(r"\4294967296").firstMatch("\"94967296")!.group(0),
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"\"94967296");
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assertEquals(new RegExp(r"\8589934592").firstMatch("\8589934592")!.group(0),
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"\8589934592");
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assertEquals(
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"\nAbc\n".replaceAllMapped(new RegExp(r"(\n)[^\n]+$"), (m) => m.group(1)!),
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"\nAbc\n");
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shouldBeNull(new RegExp(r"x$").firstMatch("x\n"));
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assertThrows(() => new RegExp(r"x++"));
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shouldBeNull(new RegExp(r"[]]").firstMatch("]"));
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assertEquals(new RegExp(r"\060").firstMatch("y01")!.group(0), "0");
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assertEquals(new RegExp(r"[\060]").firstMatch("y01")!.group(0), "0");
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assertEquals(new RegExp(r"\606").firstMatch("y06")!.group(0), "06");
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assertEquals(new RegExp(r"[\606]").firstMatch("y06")!.group(0), "0");
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assertEquals(new RegExp(r"[\606]").firstMatch("y6")!.group(0), "6");
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assertEquals(new RegExp(r"\101").firstMatch("yA1")!.group(0), "A");
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assertEquals(new RegExp(r"[\101]").firstMatch("yA1")!.group(0), "A");
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assertEquals(new RegExp(r"\1011").firstMatch("yA1")!.group(0), "A1");
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assertEquals(new RegExp(r"[\1011]").firstMatch("yA1")!.group(0), "A");
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assertEquals(new RegExp(r"[\1011]").firstMatch("y1")!.group(0), "1");
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assertEquals(
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new RegExp(r"\10q")
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.firstMatch("y" + new String.fromCharCode(8) + "q")!
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.group(0),
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new String.fromCharCode(8) + "q");
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assertEquals(
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new RegExp(r"[\10q]")
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.firstMatch("y" + new String.fromCharCode(8) + "q")!
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.group(0),
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new String.fromCharCode(8));
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assertEquals(
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new RegExp(r"\1q")
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.firstMatch("y" + new String.fromCharCode(1) + "q")!
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.group(0),
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new String.fromCharCode(1) + "q");
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assertEquals(
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new RegExp(r"[\1q]")
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.firstMatch("y" + new String.fromCharCode(1) + "q")!
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.group(0),
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new String.fromCharCode(1));
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assertEquals(new RegExp(r"[\1q]").firstMatch("yq")!.group(0), "q");
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assertEquals(new RegExp(r"\8q").firstMatch("\8q")!.group(0), "\8q");
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assertEquals(new RegExp(r"[\8q]").firstMatch("y8q")!.group(0), "8");
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assertEquals(new RegExp(r"[\8q]").firstMatch("yq")!.group(0), "q");
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shouldBe(new RegExp(r"(x)\1q").firstMatch("xxq"), ["xxq", "x"]);
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shouldBe(new RegExp(r"(x)[\1q]").firstMatch("xxq"), ["xq", "x"]);
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shouldBe(
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new RegExp(r"(x)[\1q]").firstMatch("xx" + new String.fromCharCode(1)),
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["x" + new String.fromCharCode(1), "x"]);
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}
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