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var BUGNUMBER = 1016936;
var summary = "IteratorNext should throw if the value returned by iterator.next() is not an object.";
print(BUGNUMBER + ": " + summary);
var nonobjs = [
null,
undefined,
1,
true,
"a",
Symbol.iterator,
];
function createIterable(v) {
var iterable = {};
iterable[Symbol.iterator] = function () {
return {
next: function () {
return v;
}
};
};
return iterable;
}
function f() {
}
for (var nonobj of nonobjs) {
var iterable = createIterable(nonobj);
assertThrowsInstanceOf(() => [...iterable], TypeError);
assertThrowsInstanceOf(() => f(...iterable), TypeError);
assertThrowsInstanceOf(() => { for (var x of iterable) {} }, TypeError);
assertThrowsInstanceOf(() => {
var [a] = iterable;
}, TypeError);
assertThrowsInstanceOf(() => {
var [...a] = iterable;
}, TypeError);
assertThrowsInstanceOf(() => Array.from(iterable), TypeError);
assertThrowsInstanceOf(() => new Map(iterable), TypeError);
assertThrowsInstanceOf(() => new Set(iterable), TypeError);
assertThrowsInstanceOf(() => new WeakMap(iterable), TypeError);
assertThrowsInstanceOf(() => new WeakSet(iterable), TypeError);
// assertThrowsInstanceOf(() => new Int8Array(iterable), TypeError);
assertThrowsInstanceOf(() => Int8Array.from(iterable), TypeError);
assertThrowsInstanceOf(() => {
var g = function*() {
yield* iterable;
};
var v = g();
v.next();
}, TypeError);
}
if (typeof reportCompare === "function")
reportCompare(true, true);