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const { create } = Object;
QUnit.test('AsyncIterator#@@asyncDispose', assert => {
const asyncDispose = AsyncIterator.prototype[Symbol.asyncDispose];
assert.isFunction(asyncDispose);
assert.arity(asyncDispose, 0);
assert.looksNative(asyncDispose);
return create(AsyncIterator.prototype)[Symbol.asyncDispose]().then(result => {
assert.same(result, undefined);
}).then(() => {
let called = false;
const iterator2 = create(AsyncIterator.prototype);
iterator2.return = function () {
called = true;
assert.same(this, iterator2);
return 7;
};
return iterator2[Symbol.asyncDispose]().then(result => {
assert.same(result, undefined);
assert.true(called);
});
});
});
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