js/src/tests/ecma_5/Array/length-01.js@6474c204b198
js/src/tests/ecma_5/Array/length-01.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /*
2 * Any copyright is dedicated to the Public Domain.
3 * http://creativecommons.org/licenses/publicdomain/
4 * Contributor:
5 * Jeff Walden <jwalden+code@mit.edu>
6 */
8 //-----------------------------------------------------------------------------
9 var BUGNUMBER = 600392;
10 var summary =
11 'Object.preventExtensions([]).length = 0 should do nothing, not throw';
13 print(BUGNUMBER + ": " + summary);
15 /**************
16 * BEGIN TEST *
17 **************/
20 function testEmpty()
21 {
22 var a = [];
23 assertEq(a.length, 0);
24 assertEq(Object.preventExtensions(a), a);
25 assertEq(a.length, 0);
26 a.length = 0;
27 assertEq(a.length, 0);
28 }
29 testEmpty();
31 function testEmptyStrict()
32 {
33 "use strict";
34 var a = [];
35 assertEq(a.length, 0);
36 assertEq(Object.preventExtensions(a), a);
37 assertEq(a.length, 0);
38 a.length = 0;
39 assertEq(a.length, 0);
40 }
41 testEmptyStrict();
43 function testNonEmpty()
44 {
45 var a = [1, 2, 3];
46 assertEq(a.length, 3);
47 assertEq(Object.preventExtensions(a), a);
48 assertEq(a.length, 3);
49 a.length = 0;
50 assertEq(a.length, 0);
51 }
52 testNonEmpty();
54 function testNonEmptyStrict()
55 {
56 "use strict";
57 var a = [1, 2, 3];
58 assertEq(a.length, 3);
59 assertEq(Object.preventExtensions(a), a);
60 assertEq(a.length, 3);
61 a.length = 0;
62 assertEq(a.length, 0);
63 }
64 testNonEmptyStrict();
66 /******************************************************************************/
68 if (typeof reportCompare === "function")
69 reportCompare(true, true);
71 print("All tests passed!");
