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 | function makeThing(i) |
michael@0 | 3 | { |
michael@0 | 4 | var thing = {}; |
michael@0 | 5 | thing.foo = i; |
michael@0 | 6 | thing.bar = "bar_" + i; |
michael@0 | 7 | Object.defineProperty(thing, 'baz', {'configurable':false, 'value':[i]}); |
michael@0 | 8 | return thing; |
michael@0 | 9 | } |
michael@0 | 10 | function makeArray(count) |
michael@0 | 11 | { |
michael@0 | 12 | var arr = new Array(count); |
michael@0 | 13 | for(var i = 0; i < count; i++) { |
michael@0 | 14 | arr[i] = makeThing(i); |
michael@0 | 15 | } |
michael@0 | 16 | return arr; |
michael@0 | 17 | } |
michael@0 | 18 | function delBar(obj) |
michael@0 | 19 | { |
michael@0 | 20 | assertEq(Object.getOwnPropertyDescriptor(obj, 'bar') === undefined, false); |
michael@0 | 21 | assertEq(delete obj.bar, true); |
michael@0 | 22 | assertEq(Object.getOwnPropertyDescriptor(obj, 'bar') === undefined, true); |
michael@0 | 23 | } |
michael@0 | 24 | function delBaz(obj) |
michael@0 | 25 | { |
michael@0 | 26 | var s = delete obj.baz; |
michael@0 | 27 | assertEq(Object.getOwnPropertyDescriptor(obj, 'baz') === undefined, false); |
michael@0 | 28 | assertEq(delete obj.baz, false); |
michael@0 | 29 | assertEq(Object.getOwnPropertyDescriptor(obj, 'baz') === undefined, false); |
michael@0 | 30 | } |
michael@0 | 31 | function delNonexistentThingy(obj) |
michael@0 | 32 | { |
michael@0 | 33 | assertEq(Object.getOwnPropertyDescriptor(obj, 'thingy') === undefined, true); |
michael@0 | 34 | assertEq(delete obj.thingy, true); |
michael@0 | 35 | assertEq(Object.getOwnPropertyDescriptor(obj, 'thingy') === undefined, true); |
michael@0 | 36 | } |
michael@0 | 37 | function testDelProp() |
michael@0 | 38 | { |
michael@0 | 39 | var arr = makeArray(10000); |
michael@0 | 40 | for(var i = 0; i < 10000; i++) { |
michael@0 | 41 | var obj = arr[i]; |
michael@0 | 42 | assertEq(Object.getOwnPropertyDescriptor(obj, 'foo') === undefined, false); |
michael@0 | 43 | assertEq(delete obj.foo, true); |
michael@0 | 44 | assertEq(Object.getOwnPropertyDescriptor(obj, 'foo') === undefined, true); |
michael@0 | 45 | delBar(obj); |
michael@0 | 46 | delBaz(obj); |
michael@0 | 47 | delNonexistentThingy(obj); |
michael@0 | 48 | } |
michael@0 | 49 | } |
michael@0 | 50 | |
michael@0 | 51 | testDelProp(); |