JDK-8009230.js revision 178:1c29dc809de2 
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.
33print(/\z/.exec("z"));  // Invalid escape, same as /z/
34// Incomplete/Invalid ControlEscape treated as "\\c"
35print(/\c/.exec("\\c"));  // same as /\\c/
36print(/\c2/.exec("\\c2"));  // same as /\\c2/
37print(/\C/.exec("C"));  // same as /C/
38print(/\C2/.exec("C2"));  // same as /C2/
39// Incomplete HexEscapeSequence escape treated as "x".
40print(/\x/.exec("x"));  // incomplete x-escape
41print(/\x1/.exec("x1"));  // incomplete x-escape
42print(/\x1z/.exec("x1z"));  // incomplete x-escape
43// Incomplete UnicodeEscapeSequence escape treated as "u".
44print(/\u/.exec("u"));  // incomplete u-escape
45print(/\uz/.exec("uz"));  // incomplete u-escape
46print(/\u1/.exec("u1"));  // incomplete u-escape
47print(/\u1z/.exec("u1z"));  // incomplete u-escape
48print(/\u12/.exec("u12"));  // incomplete u-escape
49print(/\u12z/.exec("u12z"));  // incomplete u-escape
50print(/\u123/.exec("u123"));  // incomplete u-escape
51print(/\u123z/.exec("u123z"));  // incomplete u-escape
52// Bad quantifier range:
53print(/x{z/.exec("x{z"));  // same as /x\{z/
54print(/x{1z/.exec("x{1z"));  // same as /x\{1z/
55print(/x{1,z/.exec("x{1,z"));  // same as /x\{1,z/
56print(/x{1,2z/.exec("x{1,2z"));  // same as /x\{1,2z/
57print(/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:
65print(/\5/.exec("\u0005"));  // same as /\x05/
66print(/\7/.exec("\u0007"));  // same as /\x07/
67print(/\8/.exec("\u0008"));  // does not match
68
69// Invalid PatternCharacter accepted unescaped
70print(/]/.exec("]"));
71print(/{/.exec("{"));
72print(/}/.exec("}"));
73
74// Bad escapes also inside CharacterClass.
75print(/[\z]/.exec("z"));
76print(/[\c]/.exec("c"));
77print(/[\c2]/.exec("c"));
78print(/[\x]/.exec("x"));
79print(/[\x1]/.exec("x1"));
80print(/[\x1z]/.exec("x1z"));
81print(/[\u]/.exec("u"));
82print(/[\uz]/.exec("u"));
83print(/[\u1]/.exec("u"));
84print(/[\u1z]/.exec("u"));
85print(/[\u12]/.exec("u"));
86print(/[\u12z]/.exec("u"));
87print(/[\u123]/.exec("u"));
88print(/[\u123z]/.exec("u"));
89print(/[\012]/.exec("0"));
90print(/[\5]/.exec("5"));
91// And in addition:
92print(/[\B]/.exec("B"));
93print(/()()[\2]/.exec(""));  // Valid backreference should be invalid.
94