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This was added to control percentage sizes, in 79956b96e875e6ba2bfa551fabda6b7896f988ac Now, the only percentage size is [`border-radius`], which is based on the size of the box itself, not its containing block. This leaves the property unused. [`border-radius`]: https://developer.mozilla.org/en-US/docs/Web/CSS/border-radius
The tests present here are used to test the generated HTML from rustdoc. The goal is to prevent unsound/unexpected GUI changes.
This is using the browser-ui-test framework to do so. It works as follows:
It wraps puppeteer to send commands to a web browser in order to navigate and test what's being currently displayed in the web page.
You can find more information and its documentation in its repository.
If you need to have more information on the tests run, you can use --test-args:
$ ./x.py test tests/rustdoc-gui --stage 1 --test-args --debug
If you don't want to run in headless mode (helpful to debug sometimes), you can use
--no-headless:
$ ./x.py test tests/rustdoc-gui --stage 1 --test-args --no-headless
To see the supported options, use --help.
Important to be noted: if the chromium instance crashes when you run it, you might need to
use --no-sandbox to make it work:
$ ./x.py test tests/rustdoc-gui --stage 1 --test-args --no-sandbox