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QUnit.test('Set#deleteAll', assert => {
const { deleteAll } = Set.prototype;
const { from } = Array;
assert.isFunction(deleteAll);
assert.arity(deleteAll, 0);
assert.name(deleteAll, 'deleteAll');
assert.looksNative(deleteAll);
assert.nonEnumerable(Set.prototype, 'deleteAll');
let set = new Set([1, 2, 3]);
assert.true(set.deleteAll(1, 2));
assert.deepEqual(from(set), [3]);
set = new Set([1, 2, 3]);
assert.false(set.deleteAll(3, 4));
assert.deepEqual(from(set), [1, 2]);
set = new Set([1, 2, 3]);
assert.false(set.deleteAll(4, 5));
assert.deepEqual(from(set), [1, 2, 3]);
set = new Set([1, 2, 3]);
assert.true(set.deleteAll());
assert.deepEqual(from(set), [1, 2, 3]);
assert.throws(() => deleteAll.call({ delete() { /* empty */ } }, 1, 2, 3));
assert.throws(() => deleteAll.call({}, 1, 2, 3), TypeError);
assert.throws(() => deleteAll.call(undefined, 1, 2, 3), TypeError);
assert.throws(() => deleteAll.call(null, 1, 2, 3), TypeError);
});
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