it("test", function() {
const mp = genMaybePromise({isFulfilled, isPromiseWrapper});
const p = mp.toPromise();
assert.notInstanceOf(p, MaybePromise);
assert.instanceOf(p, Promise);
return p.then((aValue) => {
if (!isFulfilled) assert.fail(1, 0, `then-function called: ${aValue}`);
return;
}, (aError) => {
if (isFulfilled) assert.fail(1, 0, `catch-fn called: ${aError}`);
});
});