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Auto merge of #2387 - RalfJung:ui-readme, r=oli-obk

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update ui_test readme

I forgot to do that when changing the ignore/only syntax.
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bors 2022-07-19 09:26:14 +00:00
commit eb7ea4c168
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ui_test/README.md
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@ -23,12 +23,11 @@ In order to change how a single test is tested, you can add various `//@` commen
Any other comments will be ignored, and all `//@` comments must be formatted precisely as
their command specifies, or the test will fail without even being run.
* `//@ignore-XXX` avoids running the test on targets whose triple contains `XXX`
* `XXX` can also be one of `64bit`, `32bit` or `16bit`
* `XXX` can also be `on-host`, which will only run the test during cross compilation testing.
* `//@only-XXX` avoids running the test on targets whose triple **does not** contain `XXX`
* `XXX` can also be one of `64bit`, `32bit` or `16bit`
* `XXX` can also be `on-host`, which will not run the test during cross compilation testing
* `//@ignore-C` avoids running the test when condition `C` is met.
* `C` can be `target-XXX`, which checks whether the target triple contains `XXX`.
* `C` can also be one of `64bit`, `32bit` or `16bit`.
* `C` can also be `on-host`, which will only run the test during cross compilation testing.
* `//@only-C` **only** runs the test when condition `C` is met. The conditions are the same as with `ignore`.
* `//@stderr-per-bitwidth` produces one stderr file per bitwidth, as they may differ significantly sometimes
* `//@error-pattern: XXX` make sure the stderr output contains `XXX`
* `//@revisions: XXX YYY` runs the test once for each space separated name in the list
@ -46,5 +45,5 @@ their command specifies, or the test will fail without even being run.
## Significant differences to compiletest-rs
* `ignore-*` and `only-*` opereate solely on the triple, instead of supporting things like `macos`
* `ignore-target-*` and `only-target-*` opereate solely on the triple, instead of supporting things like `macos`
* only `//~` comments can be individualized per revision