import test from 'ava';
import ow from '..';

test('null', t => {
	const x = null;

	t.notThrows(() => ow(null, ow.null));
	t.notThrows(() => ow(x, ow.null));
	t.throws(() => ow(undefined as any, ow.null), 'Expected argument to be of type `null` but received type `undefined`');
	t.throws(() => ow(undefined as any, 'foo', ow.null), 'Expected `foo` to be of type `null` but received type `undefined`');
	t.throws(() => ow('foo' as any, ow.null), 'Expected argument to be of type `null` but received type `string`');
});