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Re: assert in page breaking

From: Han-Wen Nienhuys
Subject: Re: assert in page breaking
Date: Wed, 24 Jan 2007 13:07:16 +0100
User-agent: Thunderbird (X11/20061219)

Joe Neeman escreveu:
> On 1/24/07, Han-Wen Nienhuys <address@hidden> wrote:
>> +  if (chunks.size () != div.size () + 1)
>> +    {
>> +      programming_error ("did not find a valid page breaking
>> configuration");
>> +      ignore_div = true;
>> +      assert (0);
>> this is better, but can we skip the assert()?
> If this assert fails, it's a bug in the page breaker. I personally
> prefer the assert because it means that if the bug appears during
> "make web," I will find it instead of it being lost in the output.
> This check really shouldn't depend on the validity of the user input
> -- there are plenty of other sanity checks along the way to test for
> that.

It will show up on  'make check', because it would cause a diff in the 

>> The problem with assert is that it prevents people from getting a PDF
>> and looking at their score to see what the problem with it is.
> But the user builds are done with NDEBUG, right?

Yes, but does it degrade gracefully when the assert is not triggered? 


Han-Wen Nienhuys - address@hidden -

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