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Some new tests in the Gemini Client Torture Test

Luke Emmet luke.emmet at gmail.com

Sat Jun 20 08:42:20 BST 2020

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Hi Sean

Thanks for the new tests - I just ran them on GemiNaut.

I believe my client GemiNaut is doing the right thing for all of them. But this is because I'm using a system web browser control to do the hard work of the text rendering. Apart from the ones mentioned below which I disagree with, it wraps them all as I would expect.

The only quibble I would have with the tests is the ones with no spacers at all (43, 46 and 49). I don't agree that the client should try to hyphenate the words. Doing so is a non-trivial problem and for a real language is very language specific (where are the syllable boundaries perhaps). So the correct thing to do is to simply lay them out in a non-wrapped line. I don't think there could be any authority about how to wrap an arbitrary sequence of unicode points? If there is such a thing please say.

So I think for those tests, you should say that the client should not crash, but should display either a) as a wrapped link (wrapped any old how for those clients that insist on forcing a wrap, perhaps on mobile or b) as a single unwrapped line with a scrolling mechanism.

A suggestion for a possible improvement - it would be helpful if there was a "back to tests index" link on each page, that way you can choose a few tests from the index, then go back to the index when you are done - otherwise you might have to go back N times, which is not quite as nice.

Best Wishes

- Luke

On 20-Jun-2020 02:28, Sean Conner wrote:

I just added 10 new tests to the Gemini Client Torture Test, tests 41

through 50. They all test section 5.4.1 of the Gemini Specification (text

lines). Each page contains a line that exceeds 8,500 bytes (yes, bytes, not

characters, although some of then exceed 8,500 characters, depends upon the

characters used). A few mild spoilers:

Some have the spaces replaced with dashes.

Some have no spaces, dashes or any puntuation to speak of.

Some have Unicode combining characters.

I do apologize for the snark in test 50, but it represents one of the many

aspects that I dislike about Unicode in general.

I expect these tests to be among the hardest to deal with for a client.

You have been warned. If anyone thinks these tests are unfair, well, here's

the thread to discuss it.

-spc