Backport vmTestbase tests to jdk8u-dev?
Konstantin Shefov
kshefov at azul.com
Fri Sep 6 19:54:05 UTC 2019
Hi,
We at Azul think it is a good idea to backport vmTestbase tests to OpenJDK 8.
We have used patches you suggested, done some refactoring to enable more tests to work with JDK 8.
We have run all 3550 tests from "vmTestbase" folder against Zulu 8 at ARM64 platform:
1. 3371 tests PASS (see [1]);
2. 179 tests FAIL (see [2]): reasons are being investigated.
Patches we have used (contain our refactoring):
1. Hotspot folder [3]
2. Main folder [4]
We plan to investigate causes of those 177 failures, purify unused code from hotspot/test/test/lib/jdk, and run the tests against different platforms.
We also compared vmTestbase from JDK 11 with that from JDK 13, we found out:
1. 332 test have been removed in JDK 13;
2. Only 2 test have been added in JDK 13;
3. Tests that remained were modified, but these modifications mostly are copyright years, or output format, or API changes.
>From the above results we can tell that vmTestbase does not grow. It looks like that tests are been removed from there or transferred somewhere else.
[1] http://cr.openjdk.java.net/~kshefov/vmTestbase_8_backport/passed_tests.html
[2] http://cr.openjdk.java.net/~kshefov/vmTestbase_8_backport/failed_tests.html
[3] http://cr.openjdk.java.net/~kshefov/vmTestbase_8_backport/vmTestbase_hotspot.patch
[4] http://cr.openjdk.java.net/~kshefov/vmTestbase_8_backport/vmTestbase_root.patch
Regards,
--Konstantin
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