The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/ion/bug730977-implement-jsop-delprop.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,51 @@
     1.4 +
     1.5 +function makeThing(i)
     1.6 +{
     1.7 +    var thing = {};
     1.8 +    thing.foo = i;
     1.9 +    thing.bar = "bar_" + i;
    1.10 +    Object.defineProperty(thing, 'baz', {'configurable':false, 'value':[i]});
    1.11 +    return thing;
    1.12 +}
    1.13 +function makeArray(count)
    1.14 +{
    1.15 +    var arr = new Array(count);
    1.16 +    for(var i = 0; i < count; i++) {
    1.17 +        arr[i] = makeThing(i);
    1.18 +    }
    1.19 +    return arr;
    1.20 +}
    1.21 +function delBar(obj)
    1.22 +{
    1.23 +    assertEq(Object.getOwnPropertyDescriptor(obj, 'bar') === undefined, false);
    1.24 +    assertEq(delete obj.bar, true);
    1.25 +    assertEq(Object.getOwnPropertyDescriptor(obj, 'bar') === undefined, true);
    1.26 +}
    1.27 +function delBaz(obj)
    1.28 +{
    1.29 +    var s = delete obj.baz;
    1.30 +    assertEq(Object.getOwnPropertyDescriptor(obj, 'baz') === undefined, false);
    1.31 +    assertEq(delete obj.baz, false);
    1.32 +    assertEq(Object.getOwnPropertyDescriptor(obj, 'baz') === undefined, false);
    1.33 +}
    1.34 +function delNonexistentThingy(obj)
    1.35 +{
    1.36 +    assertEq(Object.getOwnPropertyDescriptor(obj, 'thingy') === undefined, true);
    1.37 +    assertEq(delete obj.thingy, true);
    1.38 +    assertEq(Object.getOwnPropertyDescriptor(obj, 'thingy') === undefined, true);
    1.39 +}
    1.40 +function testDelProp()
    1.41 +{
    1.42 +    var arr = makeArray(10000);
    1.43 +    for(var i = 0; i < 10000; i++) {
    1.44 +        var obj = arr[i];
    1.45 +        assertEq(Object.getOwnPropertyDescriptor(obj, 'foo') === undefined, false);
    1.46 +        assertEq(delete obj.foo, true);
    1.47 +        assertEq(Object.getOwnPropertyDescriptor(obj, 'foo') === undefined, true);
    1.48 +        delBar(obj);
    1.49 +        delBaz(obj);
    1.50 +        delNonexistentThingy(obj);
    1.51 +    }
    1.52 +}
    1.53 +
    1.54 +testDelProp();