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// Store an element into a previous hole value and later add more elements
// exceeding the initialised length. Cover both mono- and polymorphic call
// sites. Change array length to non-writable during execution.
function testStoreDenseHole() {
var array = [/* hole */, /* hole */, /* hole */, /* hole */, ];
function store(ar, index) {
ar[index] = index;
}
for (var i = 0; i < 10; ++i) {
if (i === 5) {
Object.defineProperty(array, "length", {writable: false});
}
store(array, i);
}
assertEq(array.length, 5);
for (var i = 0; i < 5; ++i) {
assertEq(array[i], i);
}
for (var i = 5; i < 10; ++i) {
assertEq(i in array, false);
}
}
testStoreDenseHole();
function testStoreDenseHolePoly() {
var array = [/* hole */, /* hole */, /* hole */, /* hole */, ];
function store(ar, index) {
ar[index] = index;
}
var objects = [array, {}];
for (var i = 0; i < 10; ++i) {
if (i === 5) {
Object.defineProperty(array, "length", {writable: false});
}
for (var j = 0; j < objects.length; ++j) {
store(objects[j], i);
}
}
assertEq(array.length, 5);
for (var i = 0; i < 5; ++i) {
assertEq(array[i], i);
}
for (var i = 5; i < 10; ++i) {
assertEq(i in array, false);
}
}
testStoreDenseHolePoly();