1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * JDK-8009230: Nashorn rejects extended RegExp syntax accepted by all major JS engines 26 * 27 * @test 28 * @run 29 */ 30 31 32 // Invalid ControlEscape/IdentityEscape character treated as literal. 33 print(/\z/.exec("z")); // Invalid escape, same as /z/ 34 // Incomplete/Invalid ControlEscape treated as "\\c" 35 print(/\c/.exec("\\c")); // same as /\\c/ 36 print(/\c2/.exec("\\c2")); // same as /\\c2/ 37 print(/\C/.exec("C")); // same as /C/ 38 print(/\C2/.exec("C2")); // same as /C2/ 39 // Incomplete HexEscapeSequence escape treated as "x". 40 print(/\x/.exec("x")); // incomplete x-escape 41 print(/\x1/.exec("x1")); // incomplete x-escape 42 print(/\x1z/.exec("x1z")); // incomplete x-escape 43 // Incomplete UnicodeEscapeSequence escape treated as "u". 44 print(/\u/.exec("u")); // incomplete u-escape 45 print(/\uz/.exec("uz")); // incomplete u-escape 46 print(/\u1/.exec("u1")); // incomplete u-escape 47 print(/\u1z/.exec("u1z")); // incomplete u-escape 48 print(/\u12/.exec("u12")); // incomplete u-escape 49 print(/\u12z/.exec("u12z")); // incomplete u-escape 50 print(/\u123/.exec("u123")); // incomplete u-escape 51 print(/\u123z/.exec("u123z")); // incomplete u-escape 52 // Bad quantifier range: 53 print(/x{z/.exec("x{z")); // same as /x\{z/ 54 print(/x{1z/.exec("x{1z")); // same as /x\{1z/ 55 print(/x{1,z/.exec("x{1,z")); // same as /x\{1,z/ 56 print(/x{1,2z/.exec("x{1,2z")); // same as /x\{1,2z/ 57 print(/x{10000,20000z/.exec("x{10000,20000z")); // same as /x\{10000,20000z/ 58 // Notice: It needs arbitrary lookahead to determine the invalidity, 59 // except Mozilla that limits the numbers. 60 61 // Zero-initialized Octal escapes. 62 /\012/; // same as /\x0a/ 63 64 // Nonexisting back-references smaller than 8 treated as octal escapes: 65 print(/\5/.exec("\u0005")); // same as /\x05/ 66 print(/\7/.exec("\u0007")); // same as /\x07/ 67 print(/\8/.exec("\u0008")); // does not match 68 69 // Invalid PatternCharacter accepted unescaped 70 print(/]/.exec("]")); 71 print(/{/.exec("{")); 72 print(/}/.exec("}")); 73 74 // Bad escapes also inside CharacterClass. 75 print(/[\z]/.exec("z")); 76 print(/[\c]/.exec("c")); 77 print(/[\c2]/.exec("c")); 78 print(/[\x]/.exec("x")); 79 print(/[\x1]/.exec("x1")); 80 print(/[\x1z]/.exec("x1z")); 81 print(/[\u]/.exec("u")); 82 print(/[\uz]/.exec("u")); 83 print(/[\u1]/.exec("u")); 84 print(/[\u1z]/.exec("u")); 85 print(/[\u12]/.exec("u")); 86 print(/[\u12z]/.exec("u")); 87 print(/[\u123]/.exec("u")); 88 print(/[\u123z]/.exec("u")); 89 print(/[\012]/.exec("0")); 90 print(/[\5]/.exec("5")); 91 // And in addition: 92 print(/[\B]/.exec("B")); 93 print(/()()[\2]/.exec("")); // Valid backreference should be invalid.