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[mq]: fix-iter.diff

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* * *
[mq]: fix-iter2.js
* * *
[mq]: itertest.js
This commit is contained in:
David Mandelin 2011-01-10 18:39:46 -08:00
parent 14b2bbd7d8
commit 28e3bcfb71
3 changed files with 30 additions and 4 deletions
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8
js/src/jit-test/tests/basic/bug624041-1.js Normal file
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@ -0,0 +1,8 @@
var count = 0;
var a = [0, 1];
for (var i in a) {
assertEq(++count <= 1, true);
a.shift();
}

11
js/src/jit-test/tests/basic/bug624041-2.js Normal file
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@ -0,0 +1,11 @@
var s = '';
var a = [, 0, 1];
for (var i in a) {
a.reverse();
s += i + ',';
}
// Index of the element with value '0'.
assertEq(s, '1,');

15
js/src/jsarray.cpp
View File

@ -1484,10 +1484,15 @@ array_reverse(JSContext *cx, uintN argc, Value *vp)
uint32 lo = 0, hi = len - 1;
for (; lo < hi; lo++, hi--) {
Value tmp = obj->getDenseArrayElement(lo);
obj->setDenseArrayElement(lo, obj->getDenseArrayElement(hi));
obj->setDenseArrayElement(hi, tmp);
}
Value origlo = obj->getDenseArrayElement(lo);
Value orighi = obj->getDenseArrayElement(hi);
obj->setDenseArrayElement(lo, orighi);
if (orighi.isMagic(JS_ARRAY_HOLE))
js_SuppressDeletedProperty(cx, obj, INT_TO_JSID(lo));
obj->setDenseArrayElement(hi, origlo);
if (origlo.isMagic(JS_ARRAY_HOLE))
js_SuppressDeletedProperty(cx, obj, INT_TO_JSID(hi));
}
/*
* Per ECMA-262, don't update the length of the array, even if the new
@ -2156,6 +2161,8 @@ array_shift(JSContext *cx, uintN argc, Value *vp)
memmove(elems, elems + 1, length * sizeof(jsval));
obj->setDenseArrayElement(length, MagicValue(JS_ARRAY_HOLE));
obj->setArrayLength(length);
if (!js_SuppressDeletedProperty(cx, obj, INT_TO_JSID(length)));
return JS_FALSE;
return JS_TRUE;
}