How do I execute individual subtests?

[David Holmes]

Hi Thomas,

On 20/10/2021 5:11 pm, Thomas Stüfe wrote:
> Hi,
> 
> I am not able to start individual jtreg subtests using the way specified 
> in the JTReg FAQ 
> (http://openjdk.java.net/jtreg/faq.html#how-do-i-specify-which-tests-to-run 
> <http://openjdk.java.net/jtreg/faq.html#how-do-i-specify-which-tests-to-run>):
> 
> ```
> 3.1 How do I specify which tests to run?
> 
> The most basic way to specify which tests to run is to give one or more 
> paths directly on the command line, for directories and files containing 
> tests. If a file contains multiple tests, you can specify the name of a 
> test within that file by appending #idN to the file path, where N is the 
> number of the test within the file, where 0 identifies the first test.
> ```
> 
> But that does not seem to work:
> 
> jtreg  .. 
>   /shared/projects/openjdk/jdk-jdk/source/test/hotspot/jtreg/runtime/Metaspace/elastic/TestMetaspaceAllocationMT2.java#id1

The subtests got renamed so you could reliably re-run them even if the 
order were changed or a new subtest introduced.

e.g

  * @test id=debug-default

so you need to use these names.

Cheers,
David


> jtreg  .. 
>   /shared/projects/openjdk/jdk-jdk/source/test/hotspot/jtreg/runtime/Metaspace/elastic/TestMetaspaceAllocationMT2.java#1
> 
> all yield a "Error: Not a test or directory containing tests" error.
> 
> Tried specifying the subtest name (e.g. "#debug-none"), that does not 
> work either.
> 
> Leaving the '#..' suffix out and just running all tests works, so the 
> file is there and formatted correctly.
> 
> I am using jtreg 6.
> 
> Am I doing something wrong?
> 
> Thanks, Thomas