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"]'); 51
