aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * JDK-8009230: Nashorn rejects extended RegExp syntax accepted by all major JS engines
aoqi@0:  *
aoqi@0:  * @test
aoqi@0:  * @run
aoqi@0:  */
aoqi@0: 
aoqi@0: 
aoqi@0: // Invalid ControlEscape/IdentityEscape character treated as literal.
aoqi@0: print(/\z/.exec("z"));  // Invalid escape, same as /z/
aoqi@0: // Incomplete/Invalid ControlEscape treated as "\\c"
aoqi@0: print(/\c/.exec("\\c"));  // same as /\\c/
aoqi@0: print(/\c2/.exec("\\c2"));  // same as /\\c2/
aoqi@0: print(/\C/.exec("C"));  // same as /C/
aoqi@0: print(/\C2/.exec("C2"));  // same as /C2/
aoqi@0: // Incomplete HexEscapeSequence escape treated as "x".
aoqi@0: print(/\x/.exec("x"));  // incomplete x-escape
aoqi@0: print(/\x1/.exec("x1"));  // incomplete x-escape
aoqi@0: print(/\x1z/.exec("x1z"));  // incomplete x-escape
aoqi@0: // Incomplete UnicodeEscapeSequence escape treated as "u".
aoqi@0: print(/\u/.exec("u"));  // incomplete u-escape
aoqi@0: print(/\uz/.exec("uz"));  // incomplete u-escape
aoqi@0: print(/\u1/.exec("u1"));  // incomplete u-escape
aoqi@0: print(/\u1z/.exec("u1z"));  // incomplete u-escape
aoqi@0: print(/\u12/.exec("u12"));  // incomplete u-escape
aoqi@0: print(/\u12z/.exec("u12z"));  // incomplete u-escape
aoqi@0: print(/\u123/.exec("u123"));  // incomplete u-escape
aoqi@0: print(/\u123z/.exec("u123z"));  // incomplete u-escape
aoqi@0: // Bad quantifier range:
aoqi@0: print(/x{z/.exec("x{z"));  // same as /x\{z/
aoqi@0: print(/x{1z/.exec("x{1z"));  // same as /x\{1z/
aoqi@0: print(/x{1,z/.exec("x{1,z"));  // same as /x\{1,z/
aoqi@0: print(/x{1,2z/.exec("x{1,2z"));  // same as /x\{1,2z/
aoqi@0: print(/x{10000,20000z/.exec("x{10000,20000z"));  // same as /x\{10000,20000z/
aoqi@0: // Notice: It needs arbitrary lookahead to determine the invalidity,
aoqi@0: // except Mozilla that limits the numbers.
aoqi@0: 
aoqi@0: // Zero-initialized Octal escapes.
aoqi@0: /\012/;    // same as /\x0a/
aoqi@0: 
aoqi@0: // Nonexisting back-references smaller than 8 treated as octal escapes:
aoqi@0: print(/\5/.exec("\u0005"));  // same as /\x05/
aoqi@0: print(/\7/.exec("\u0007"));  // same as /\x07/
aoqi@0: print(/\8/.exec("\u0008"));  // does not match
aoqi@0: 
aoqi@0: // Invalid PatternCharacter accepted unescaped
aoqi@0: print(/]/.exec("]"));
aoqi@0: print(/{/.exec("{"));
aoqi@0: print(/}/.exec("}"));
aoqi@0: 
aoqi@0: // Bad escapes also inside CharacterClass.
aoqi@0: print(/[\z]/.exec("z"));
aoqi@0: print(/[\c]/.exec("c"));
aoqi@0: print(/[\c2]/.exec("c"));
aoqi@0: print(/[\x]/.exec("x"));
aoqi@0: print(/[\x1]/.exec("x1"));
aoqi@0: print(/[\x1z]/.exec("x1z"));
aoqi@0: print(/[\u]/.exec("u"));
aoqi@0: print(/[\uz]/.exec("u"));
aoqi@0: print(/[\u1]/.exec("u"));
aoqi@0: print(/[\u1z]/.exec("u"));
aoqi@0: print(/[\u12]/.exec("u"));
aoqi@0: print(/[\u12z]/.exec("u"));
aoqi@0: print(/[\u123]/.exec("u"));
aoqi@0: print(/[\u123z]/.exec("u"));
aoqi@0: print(/[\012]/.exec("0"));
aoqi@0: print(/[\5]/.exec("5"));
aoqi@0: // And in addition:
aoqi@0: print(/[\B]/.exec("B"));
aoqi@0: print(/()()[\2]/.exec(""));  // Valid backreference should be invalid.