[1/3] taskschd/tests: Add some tests for task registration info.

[Dmitry Timoshkov]

Nikolay Sivov <bunglehead at gmail.com> wrote:

> >> For other tests when it returns NULL bstr it
> >> would be cleaner to set pointer to some non-zero value to test that each
> >> method actually resets it to NULL.
> > That's a matter of taste.
> Not really. You don't know if it's changed or not after the call if you 
> don't know what initial value was.
> For series of calls like these:
> 
> ---
> 
> +    hr = IRegistrationInfo_get_Documentation(reginfo, &bstr);
> +todo_wine
> +    ok(hr == S_OK, "get_Documentation error %#x\n", hr);
> +if (hr == S_OK)
> +    ok(!bstr, "expected NULL, got %s\n", wine_dbgstr_w(bstr));
> +    hr = IRegistrationInfo_get_URI(reginfo, &bstr);
> +todo_wine
> +    ok(hr == S_OK, "get_URI error %#x\n", hr);
> +if (hr == S_OK)
> +    ok(!bstr, "expected NULL, got %s\n", wine_dbgstr_w(bstr));
> ---
> 
> there's no way to tell did get_URI set it to NULL or not.

In the case of error I agree, but if the method returned S_OK that
means that it really returned something.

-- 
Dmitry.