Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 | // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| 3 | // |
| 4 | // Redistribution and use in source and binary forms, with or without |
| 5 | // modification, are permitted provided that the following conditions |
| 6 | // are met: |
| 7 | // 1. Redistributions of source code must retain the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer. |
| 9 | // 2. Redistributions in binary form must reproduce the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer in the |
| 11 | // documentation and/or other materials provided with the distribution. |
| 12 | // |
| 13 | // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| 14 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 15 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 16 | // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 17 | // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 18 | // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 19 | // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 20 | // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 22 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | |
| 24 | description( |
| 25 | "This page tests invalid character ranges in character classes." |
| 26 | ); |
| 27 | |
| 28 | // These test a basic range / non range. |
| 29 | shouldBe('/[a-c]+/.exec("-acbd");', '["acb"]'); |
| 30 | shouldBe('/[a\\-c]+/.exec("-acbd")', '["-ac"]'); |
| 31 | |
| 32 | // A reverse-range is invalid. |
| 33 | shouldThrow('/[c-a]+/.exec("-acbd");'); |
| 34 | |
| 35 | // A character-class in a range is invalid, according to ECMA-262, but we allow it. |
| 36 | shouldBe('/[\\d-x]+/.exec("1-3xy");', '["1-3x"]'); |
| 37 | shouldBe('/[x-\\d]+/.exec("1-3xy");', '["1-3x"]'); |
| 38 | shouldBe('/[\\d-\\d]+/.exec("1-3xy");', '["1-3"]'); |
| 39 | |
| 40 | // Whilst we break with ECMA-262's definition of CharacterRange, we do comply with |
| 41 | // the grammar, and as such in the following regex a-z cannot be matched as a range. |
| 42 | shouldBe('/[\\d-a-z]+/.exec("az1-3y");', '["az1-3"]'); |
| 43 | |
| 44 | // An escaped hypen should not be confused for an invalid range. |
| 45 | shouldBe('/[\\d\\-x]+/.exec("1-3xy");', '["1-3x"]'); |
| 46 | shouldBe('/[x\\-\\d]+/.exec("1-3xy");', '["1-3x"]'); |
| 47 | shouldBe('/[\\d\\-\\d]+/.exec("1-3xy");', '["1-3"]'); |
| 48 | |
| 49 | // A hyphen after a character-class is not invalid. |
| 50 | shouldBe('/[\\d-]+/.exec("1-3xy")', '["1-3"]'); |