import test from 'ava';
import zenObservable from 'zen-observable';
import fn from './';
// for `zen-observable` on Node.js 0.10
global.Promise = Promise;
test(t => {
t.true(fn(zenObservable.of(1, 2)));
t.false(fn(null));
t.false(fn({foo: true}));
t.false(fn(function () {}));
t.end();
});