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QUnit.test('Set.of', assert => {
const { of } = Set;
const toArray = Array.from;
assert.isFunction(of);
assert.arity(of, 0);
assert.name(of, 'of');
assert.looksNative(of);
assert.nonEnumerable(Set, 'of');
assert.true(Set.of() instanceof Set);
assert.deepEqual(toArray(Set.of(1)), [1]);
assert.deepEqual(toArray(Set.of(1, 2, 3, 2, 1)), [1, 2, 3]);
assert.throws(() => of(1));
let arg = null;
function F(it) {
return arg = it;
}
of.call(F, 1, 2, 3);
assert.deepEqual(arg, [1, 2, 3]);
});
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