RFR: 8258799 : [Testbug] RandomCommandsTest must check if tested directive is added via jcmd

[Igor Ignatyev]

On Tue, 2 Feb 2021 21:55:17 GMT, Nils Eliasson <neliasso at openjdk.org> wrote:

> RandomCommandsTest.java is checking a mix of valid and invalid compilecommands and compiler directives. When they fail they have different behaviour:
> 
> A compilecommand that is malformed will result in a printed error, and then the VM continues. 
> A compiler directive that is malformed, that is added via commandline, will abort the VM, much like any other VM-flag would. 
> A compiler directive that is malformed, that is added via jcmd will print an error, and the VM continues - just like with any other jcmd.
> 
> The RandomCommandsTest fails when generating a malformed compiler directive and adding it via jcmd - because it expects the VM to abort.
> 
> This patch fixes that.

Marked as reviewed by iignatyev (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2364