test/script/basic/JDK-8009230.js

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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.

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