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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`');
});