On Dec 8, 2010, at 2:03 PM, Darin Adler wrote:

> On Dec 8, 2010, at 1:23 PM, Simon Fraser wrote:
> 
>> On Dec 8, 2010, at 12:57 PM, Darin Adler wrote:
>> 
>>> On Dec 8, 2010, at 12:13 PM, Peter Kasting wrote:
>>> 
>>>> We could greatly decrease the number of these baselines by following a 
>>>> simple rule: don't display text unless you need to.
>>> 
>>> Seems like a good idea. I’m worried a bit, though, that if we can’t use any 
>>> text in them at all, the tests are then not at all self explanatory. You 
>>> have to be an expert on the test to understand what it’s testing and what 
>>> success and failure look like.
>> 
>> Do HTML comments fulfill this?
> 
> Peter, Simon,
> 
> You both have convinced me that HTML comments could be fine for explaining 
> what a test is testing. Maybe we could come up with a format that makes it 
> likely we’ll spot those comments.
> 
> The success vs. failure aspects can probably be addressed by the “see no red” 
> and other such things.

Maybe we could come up with a way to print the explanation in the browser only, 
and not in DumpRenderTree. A simple convention could be:

if (!window.layoutTestController)
    document.write("Explanation of what the test is testing goes here.");

This is slightly more convenient than an HTML comment when you open a test in 
the browser to see what's going on.

Regards,
Maciej

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