Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* |
michael@0 | 2 | * Any copyright is dedicated to the Public Domain. |
michael@0 | 3 | * http://creativecommons.org/licenses/publicdomain/ |
michael@0 | 4 | * Contributor: |
michael@0 | 5 | * Jeff Walden <jwalden+code@mit.edu> |
michael@0 | 6 | */ |
michael@0 | 7 | |
michael@0 | 8 | //----------------------------------------------------------------------------- |
michael@0 | 9 | var BUGNUMBER = 600392; |
michael@0 | 10 | var summary = |
michael@0 | 11 | 'Object.preventExtensions([]).length = 0 should do nothing, not throw'; |
michael@0 | 12 | |
michael@0 | 13 | print(BUGNUMBER + ": " + summary); |
michael@0 | 14 | |
michael@0 | 15 | /************** |
michael@0 | 16 | * BEGIN TEST * |
michael@0 | 17 | **************/ |
michael@0 | 18 | |
michael@0 | 19 | |
michael@0 | 20 | function testEmpty() |
michael@0 | 21 | { |
michael@0 | 22 | var a = []; |
michael@0 | 23 | assertEq(a.length, 0); |
michael@0 | 24 | assertEq(Object.preventExtensions(a), a); |
michael@0 | 25 | assertEq(a.length, 0); |
michael@0 | 26 | a.length = 0; |
michael@0 | 27 | assertEq(a.length, 0); |
michael@0 | 28 | } |
michael@0 | 29 | testEmpty(); |
michael@0 | 30 | |
michael@0 | 31 | function testEmptyStrict() |
michael@0 | 32 | { |
michael@0 | 33 | "use strict"; |
michael@0 | 34 | var a = []; |
michael@0 | 35 | assertEq(a.length, 0); |
michael@0 | 36 | assertEq(Object.preventExtensions(a), a); |
michael@0 | 37 | assertEq(a.length, 0); |
michael@0 | 38 | a.length = 0; |
michael@0 | 39 | assertEq(a.length, 0); |
michael@0 | 40 | } |
michael@0 | 41 | testEmptyStrict(); |
michael@0 | 42 | |
michael@0 | 43 | function testNonEmpty() |
michael@0 | 44 | { |
michael@0 | 45 | var a = [1, 2, 3]; |
michael@0 | 46 | assertEq(a.length, 3); |
michael@0 | 47 | assertEq(Object.preventExtensions(a), a); |
michael@0 | 48 | assertEq(a.length, 3); |
michael@0 | 49 | a.length = 0; |
michael@0 | 50 | assertEq(a.length, 0); |
michael@0 | 51 | } |
michael@0 | 52 | testNonEmpty(); |
michael@0 | 53 | |
michael@0 | 54 | function testNonEmptyStrict() |
michael@0 | 55 | { |
michael@0 | 56 | "use strict"; |
michael@0 | 57 | var a = [1, 2, 3]; |
michael@0 | 58 | assertEq(a.length, 3); |
michael@0 | 59 | assertEq(Object.preventExtensions(a), a); |
michael@0 | 60 | assertEq(a.length, 3); |
michael@0 | 61 | a.length = 0; |
michael@0 | 62 | assertEq(a.length, 0); |
michael@0 | 63 | } |
michael@0 | 64 | testNonEmptyStrict(); |
michael@0 | 65 | |
michael@0 | 66 | /******************************************************************************/ |
michael@0 | 67 | |
michael@0 | 68 | if (typeof reportCompare === "function") |
michael@0 | 69 | reportCompare(true, true); |
michael@0 | 70 | |
michael@0 | 71 | print("All tests passed!"); |