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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
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//
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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import 'v8_regexp_utils.dart';
import 'package:expect/expect.dart';
void main() {
description(
'Tests that regular expressions do not have extensions that diverge from the JavaScript specification. '
+ 'Because WebKit originally used a copy of PCRE, various non-JavaScript regular expression features were historically present. '
+ 'Also tests various related edge cases.'
);
shouldBeNull(new RegExp(r"\\x{41}").firstMatch("yA1"));
assertEquals(new RegExp(r"[\x{41}]").firstMatch("yA1").group(0), "1");
assertEquals(new RegExp(r"\x1g").firstMatch("x1g").group(0), "x1g");
assertEquals(new RegExp(r"[\x1g]").firstMatch("x").group(0), "x");
assertEquals(new RegExp(r"[\x1g]").firstMatch("1").group(0), "1");
assertEquals(new RegExp(r"\2147483648").firstMatch(new String.fromCharCode(140) + "7483648").group(0), new String.fromCharCode(140) + "7483648");
assertEquals(new RegExp(r"\4294967296").firstMatch("\"94967296").group(0), "\"94967296");
assertEquals(new RegExp(r"\8589934592").firstMatch("\8589934592").group(0), "\8589934592");
assertEquals("\nAbc\n".replaceAllMapped(new RegExp(r"(\n)[^\n]+$"), (m) => m.group(1)), "\nAbc\n");
shouldBeNull(new RegExp(r"x$").firstMatch("x\n"));
assertThrows(() => new RegExp(r"x++"));
shouldBeNull(new RegExp(r"[]]").firstMatch("]"));
assertEquals(new RegExp(r"\060").firstMatch("y01").group(0), "0");
assertEquals(new RegExp(r"[\060]").firstMatch("y01").group(0), "0");
assertEquals(new RegExp(r"\606").firstMatch("y06").group(0), "06");
assertEquals(new RegExp(r"[\606]").firstMatch("y06").group(0), "0");
assertEquals(new RegExp(r"[\606]").firstMatch("y6").group(0), "6");
assertEquals(new RegExp(r"\101").firstMatch("yA1").group(0), "A");
assertEquals(new RegExp(r"[\101]").firstMatch("yA1").group(0), "A");
assertEquals(new RegExp(r"\1011").firstMatch("yA1").group(0), "A1");
assertEquals(new RegExp(r"[\1011]").firstMatch("yA1").group(0), "A");
assertEquals(new RegExp(r"[\1011]").firstMatch("y1").group(0), "1");
assertEquals(new RegExp(r"\10q").firstMatch("y" + new String.fromCharCode(8) + "q").group(0), new String.fromCharCode(8) + "q");
assertEquals(new RegExp(r"[\10q]").firstMatch("y" + new String.fromCharCode(8) + "q").group(0), new String.fromCharCode(8));
assertEquals(new RegExp(r"\1q").firstMatch("y" + new String.fromCharCode(1) + "q").group(0), new String.fromCharCode(1) + "q");
assertEquals(new RegExp(r"[\1q]").firstMatch("y" + new String.fromCharCode(1) + "q").group(0), new String.fromCharCode(1));
assertEquals(new RegExp(r"[\1q]").firstMatch("yq").group(0), "q");
assertEquals(new RegExp(r"\8q").firstMatch("\8q").group(0), "\8q");
assertEquals(new RegExp(r"[\8q]").firstMatch("y8q").group(0), "8");
assertEquals(new RegExp(r"[\8q]").firstMatch("yq").group(0), "q");
shouldBe(new RegExp(r"(x)\1q").firstMatch("xxq"), ["xxq", "x"]);
shouldBe(new RegExp(r"(x)[\1q]").firstMatch("xxq"), ["xq", "x"]);
shouldBe(new RegExp(r"(x)[\1q]").firstMatch("xx" + new String.fromCharCode(1)), ["x" + new String.fromCharCode(1), "x"]);
}