On Fri, 31 May 2024 09:01:27 GMT, Jaikiran Pai <j...@openjdk.org> wrote:
> Can I please get a review of this test-only change which addresses > https://bugs.openjdk.org/browse/JDK-8333130? > > There are a couple of tests `NativeMethodPrefixApp` and `RetransformApp` > under `test/jdk/java/lang/instrument/` which launch the app/test with a > `-javaagent:<jar>` pointing to a test specific jar. The test, launched with > that `javaagent`, then verifies the test specific details. > > In their current form, in order to construct the agent `.jar` and make it > available to the jtreg test that's launched, they `@run` a jtreg `shell` > test. This `shell` test uses the `MakeJAR2.sh` script to generate the jar > file. The contents of the script is relatively straightforward - it compiles > (using `javac`) some boot classpath classes, some agent specific classes and > then generates a jar file with the agent classes and a `MANIFEST.MF` which > points to the boot classpath classes along with test specific manifest > attributes. In a recent PR the `MakeJAR2.sh` script was updated to pass > `--enable-preview --release 23` since one of the existing agent class was > updated to use the ClassFile API PreviewFeature > (https://github.com/openjdk/jdk/pull/13009). > > This generated agent jar then is passed as `-javaagent:` to the subsequent > `@run main` test which does the actual testing. > > So essentially the `shell` test which uses the `MakeJAR2.sh` is merely there > to create a jar file that's needed by the actual test. Within the JDK we have > several tests which compile other classes and generate jar files using > in-process test libraries and the `java.util.spi.ToolProvider` > implementations. These 2 tests too can be updated to use a similar technique, > to completely get rid of the `MakeJAR2.sh`. Removing the `MakeJAR2.sh` will > simplify the ability to pass around value for `--release` when using > `--enable-preview`. > > The commit in this PR updates these 2 tests to use `@run driver` which then > compiles relevant classes (maintaining the semantics of `MakeJAR2.sh`) and > generates the agent jar file and then finally launching the test process. As > part of the update, I did not retain the `@author` tag from the 2 test > definitions, since it's my understanding that we no longer use those. I will > add them back if we should retain them. > > The tests continue to pass locally with this change. I've also triggered tier > testing in our CI for this change. Changes look reasonable. Great to see the removal of the need to execute a shell script as part of the test run ------------- Marked as reviewed by lancea (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/19495#pullrequestreview-2090554946
