Re: tests in log-scale plots

[c.]

On 6 Sep 2011, at 16:37, John W. Eaton wrote:

> On  6-Sep-2011, Carlo de Falco wrote:
> 
> Also, unless there is an unexpected error, your test doesn't catch
> incorrect results without manual inspection, does it?

actually it does, octave segfaults when that test is run

>  I think that if
> a test can't catch incorrect results, then it should be a demo instead.
OK

> It's fine to add a demo.  But tests should only succeed or fail, not
> produce any output or graphics.

I agree, I think the correct way to do this is to use 

figure (1232, "visible", "off");

and then check for properties of the figure as suggested by Kai
 
> jwe

c.