| // 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( |
| '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"]); |
| } |