Mercurial > jdk8-mips64-public > nashorn / file revision

 /*

  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 /**

  * JDK-8009230: Nashorn rejects extended RegExp syntax accepted by all major JS engines

  *

  * @test

  * @run

  */

 // Invalid ControlEscape/IdentityEscape character treated as literal.

 print(/\z/.exec("z"));  // Invalid escape, same as /z/

 // Incomplete/Invalid ControlEscape treated as "\\c"

 print(/\c/.exec("\\c"));  // same as /\\c/

 print(/\c2/.exec("\\c2"));  // same as /\\c2/

 print(/\C/.exec("C"));  // same as /C/

 print(/\C2/.exec("C2"));  // same as /C2/

 // Incomplete HexEscapeSequence escape treated as "x".

 print(/\x/.exec("x"));  // incomplete x-escape

 print(/\x1/.exec("x1"));  // incomplete x-escape

 print(/\x1z/.exec("x1z"));  // incomplete x-escape

 // Incomplete UnicodeEscapeSequence escape treated as "u".

 print(/\u/.exec("u"));  // incomplete u-escape

 print(/\uz/.exec("uz"));  // incomplete u-escape

 print(/\u1/.exec("u1"));  // incomplete u-escape

 print(/\u1z/.exec("u1z"));  // incomplete u-escape

 print(/\u12/.exec("u12"));  // incomplete u-escape

 print(/\u12z/.exec("u12z"));  // incomplete u-escape

 print(/\u123/.exec("u123"));  // incomplete u-escape

 print(/\u123z/.exec("u123z"));  // incomplete u-escape

 // Bad quantifier range:

 print(/x{z/.exec("x{z"));  // same as /x\{z/

 print(/x{1z/.exec("x{1z"));  // same as /x\{1z/

 print(/x{1,z/.exec("x{1,z"));  // same as /x\{1,z/

 print(/x{1,2z/.exec("x{1,2z"));  // same as /x\{1,2z/

 print(/x{10000,20000z/.exec("x{10000,20000z"));  // same as /x\{10000,20000z/

 // Notice: It needs arbitrary lookahead to determine the invalidity,

 // except Mozilla that limits the numbers.

 // Zero-initialized Octal escapes.

 /\012/;    // same as /\x0a/

 // Nonexisting back-references smaller than 8 treated as octal escapes:

 print(/\5/.exec("\u0005"));  // same as /\x05/

 print(/\7/.exec("\u0007"));  // same as /\x07/

 print(/\8/.exec("\u0008"));  // does not match

 // Invalid PatternCharacter accepted unescaped

 print(/]/.exec("]"));

 print(/{/.exec("{"));

 print(/}/.exec("}"));

 // Bad escapes also inside CharacterClass.

 print(/[\z]/.exec("z"));

 print(/[\c]/.exec("c"));

 print(/[\c2]/.exec("c"));

 print(/[\x]/.exec("x"));

 print(/[\x1]/.exec("x1"));

 print(/[\x1z]/.exec("x1z"));

 print(/[\u]/.exec("u"));

 print(/[\uz]/.exec("u"));

 print(/[\u1]/.exec("u"));

 print(/[\u1z]/.exec("u"));

 print(/[\u12]/.exec("u"));

 print(/[\u12z]/.exec("u"));

 print(/[\u123]/.exec("u"));

 print(/[\u123z]/.exec("u"));

 print(/[\012]/.exec("0"));

 print(/[\5]/.exec("5"));

 // And in addition:

 print(/[\B]/.exec("B"));

 print(/()()[\2]/.exec(""));  // Valid backreference should be invalid.