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1) Mind internationalization. Is your app translated? In how many languages? Serious work to do if this number is greater then 10.
2) How does the GUI looks like on a native Chinese (Traditional or Simplified)/Japanese/Korean PC?
3) Input long texts in various languages, with many specific characters. Special care when comparing and processing texts - in which culture?
4) Did you specify a culture when installing the app DB? If not, the SQL server default one will be used. Try different cultures/collations etc.
5) Input/use numbers in various cultures, alternating decimal/thousand separators etc.
6) Input/use datetimes in various cultures.
7) Set the date of the PC to 29th february in a leap year and test app functionality.
8) If you read text from disk/stream, create test files containing binary data (e.g. 0x1A/EOF - can your app read text beyond that byte?). Or create test files that have \r\n or only \n as end of line etc.
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When I was working on an ActiveX control embedding a video stream into a web page (a long time ago when others were still working to prevent millenial apocalypse), we had a customer who used the "coffee cup" test - put a coffee cup down on F5 so it would continually refresh. Extremely harsh!
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Maximilien wrote: Seriously, do you know of any good white paper on how to write good test cases ?
No, but I can list what I do:
1. Write use cases. What are users supposed to do with the system? From use cases, build test plans which not only test the system but teach the testers how to use it.
1A. Ideally most test cases start with new records and build upon them. For cases where that is not feasible, construct test records. Create scripts that will insert or revert the test records. If you have to hunt for test records, do it just once.
2. If you have role-based authentication and authorization, conduct each test in #1 for each role.
3. Most applications have pre-defined choices (radio buttons, drop down lists, list boxes). Test every possible combination.
4. This one is the hardest -- make as many totally illogical choices as possible. Try to do things out of order. Paste 10,000 characters into a textbox. Enter a string of special characters only. Save while missing mandatory inputs. Basically the "five year old" part.
5. Ask the end user testers to do as many weird things as they can think of. Trust that they will think of things you will never consider.
I'm no longer surprised at how much basic error handling is NOT built into applications, e.g., the DB field is 20 characters but the text entry field is unlimited. #4 will identify things like that.
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Wordle 1,060 4/6
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Bad third guess.
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Wordle 1,060 3/6*
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"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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In a closed society where everybody's guilty, the only crime is getting caught. In a world of thieves, the only final sin is stupidity. - Hunter S Thompson - RIP
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Wordle 1,060 4/6*
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Happiness will never come to those who fail to appreciate what they already have. -Anon
And those who were seen dancing were thought to be insane by those who could not hear the music. -Frederick Nietzsche
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Ok, I have had my coffee, so you can all come out now!
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Wordle 1,060 3/6*
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In my experience we web devs don't actually use or at least watch a video of a screen reader. This is bad. Very bad. Because we talk about accessibility, but it's amazing how many people still don't use aria tags, leverage semantic elements, etc.
Every web dev should watch this video. It's only 4 mins long.
Screen Reader Demo for Digital Accessibility
Not trying to sound preachy (but I am  ). The man is spot on. The world revolves around the Internet now. We can't forget about our blind brothers and sisters.
Side note, one of the cool features (as it pertains to the skip to content thread below) is the screen reader shown already has the ability to jump to a header. Also notice he skipped over the skip to main content link.
But even outside of that, peeps need to see a screen reader in action at least once. In particular how it allows him to scroll with a focus box over content.
Jeremy Falcon
modified yesterday.
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That's a really interesting video and provides great perspective on the issue.
I know that Bootstrap is really good about providing the aria tags as part of their controls, etc. and using Bootstrap helped me to gain some understanding of the importance.
This video was really informative and helpful and made me re-think about how important it is.
Thanks for sharing. 
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raddevus wrote: This video was really informative and helpful and made me re-think about how important it is.
What I find funny is they can already skip to the main content by virtue of headers.  And home dude just strait up ignored that link.
One of the peeves I had watching that video is whoever wrote that web page used spacer divs, images, or something without using an aria-hidden tag. Granted, it's a university and not a professional site, but still. You'll see some of those tabs tabbed over blank space for that reason. Spacers are so 20 years ago, but if you're gonna use one because you refuse to learn Flexbox, at least use an aria tag to tell the screen reader what's up.
raddevus wrote: Thanks for sharing.
Any time buddy.
Jeremy Falcon
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To be clear, I'm totally agreeing with you about the skip to main content link you talked about being implemented like garbage. It seems like something that would otherwise be a good idea was borked... and to top if off not even needed.
Jeremy Falcon
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A couple of hints to developers:
* Get hold of a pair of sunglasses (unless you want to do a cleaning job on your own glasses afterwards  ), and smear them with vaseline or something similar. Carrying those, go through an entire procedure of booting up your PC, reading and responding to emails, running your application with all its features, and shutting the PC down.
* For handling tunnel vision: Make a large cardboard with a small hole, at most 1/8 of the screen width. Hide the screen behind the cardboard, but allow the user to move the boar up and down and to both sides to cover the entire screen, and let users run a boot up, running your application and shutting down.
* For color blindness: Reduce the color saturation to zero, creating a greyscale image (most display card drives allow this), and try to use applications - maybe your own! - using colors to convey essential information. (You may of course use web sites converting the colors according to a specific defect, but those are usually rather slow. Converting to gray scale is certainly not as exact, but it will give a rough indication.)
* Disconnect the mouse (and other navigation tools such as touchpads or joysticks), and go through the process from boot up, starting your application and using all of its features, and closing down, using the keyboard only.
* One nice way of demonstrating how suitable your application is to a blind (or near-blind): Turn the screen to the audience so that you cannot see it, but the audience can. Then demonstrate how you handle boot up, activation of different applications including you own, and shutdown.
* Find yourself a pair of mittens, as thick as possible, and try to handle your keyboard with those.
* Assuming that it is winter, at least 15C below freezing: Go out for at least half an hour without gloves or mittens, and when you come back, go directly to your keyboard and start operating your application.
There is one test that beats them all:
Make your test team include people with different kinds of disabilities: Various sigh impairment (tunnel vision, color blindness, retina defects), various motoric defects, and so on.
A lot of developers who claim that they have adapted their software to various disabilites would (or at least should) feel ashamed when observing how people with those disabilites cope with their software!
Religious freedom is the freedom to say that two plus two make five.
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Amarnath S wrote: Not sure whether this was commercialized.
That's cool. Hopefully, someone will.
Jeremy Falcon
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Very important. I'll be showing this to my daughter (who does some web development). My work is strictly at the back end, so it's less relevant to me.
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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I hate everything about web ui, pretty much.
That said, working on accessibility facelift WCAG stuff was one of the more interesting things I've ever had to do with it.
It also makes me just ever so slightly less enraged about the whole "let's cram everything into a browser because why not, it'll be awesome, guys, come on!?"
Because it does bring a sort of standard even with the DOM itself that lends itself to accessibility stuff like screen readers and input devices. That's pretty important, not just with the internet, but with computing/technology.
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Hi Jeremy,
I am not at all fluent with using my screen reader... I did not read the instructions and just dove in and sort of hacked around to learn... LOL
so...
It is not easy for me, a blind person to find this text box on this page in order to contribute. I hit the E key to find edit boxes and combo boxes and this is neither... but if I took the time to learn how to use my screen reader I probably would not have any problems... I bet a lot of blind people are like me and do not learn the "right" way to be blind?
... I endorse this post.
LOL I have ignored the skip to the main content button here for years. I came here to interact with the screen reader post and the skip takes me to a welcome that I have memorized years ago?
A functional skip linky would take me to what I came here for?
Or a second link saying: "skip to the meat, please." would be nice?
I have been blind for some eleven years now and NVDA screen reader is a vital tool for me. Thank you dear Jeremy for this post and blessings
chuck 🔥 💖 🔥
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Github has a nifty feature where you can just Open In Visual Studio and it will open VS and clone your repo for you.
I like this magic, but thing is it used to say Open In Visual Studio Code and well over half my projects are in VS Code.
Does anyone know how to get it back? Preferably I'd like both, but if nothing else, I just want it to work with VS Code.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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Have you tried on the main repository page pressing the period key? "." It will open up a VSCode browser instance. Once that comes up if you go into the run/debug icon there is a button to continue which will ask if you want to clone the repo and open it in desktop VSCode.
Iβve given up trying to be calm. However, I am open to feeling slightly less agitated.
Iβm begging you for the benefit of everyone, donβt be STUPID.
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