RFR (S) 8007142: Add utility classes for writing better multiprocess tests in jtreg

[Alan Bateman]

On 01/02/2013 13:32, Yekaterina Kantserova wrote:
>
> I've done some testing before I've changed JDKToolFinder. Bellow are 2 
> cases:
>
> 1) *compile.jdk != test.jdk*
> ./build/linux-amd64/j2sdk-image/bin/java -jar jtreg.jar -compilejdk 
> /localhome/java/jdk1.7.0_09 test.java
>
> test.jdk=../build/linux-amd64/j2sdk-image/jre
> compile.jdk=/localhome/java/jdk1.7.0_09
> java.home=../build/linux-amd64/j2sdk-image/jre
>
> 2) *compile.jdk == test.jdk*
> ./build/linux-amd64/j2sdk-image/bin/java -jar jtreg.jar -jdk|-testjdk 
> /localhome/java/jdk1.7.0_09 test.java
>
> test.jdk /localhome/java/jdk1.7.0_09
> compile.jdk /localhome/java/jdk1.7.0_09
> java.home /localhome/java/jdk1.7.0_09/jre
>
> It seems like test.jdk is always equal to java.home (besides /jre 
> part). Are there some rules how -jdk and -compilejdk should be used?
Normally you specify the JDK/JRE to test via the -jdk option. When you 
only specify -jdk then you will see that test.jdk and compile.jdk have 
the same value.

When testing a JRE then you need to specify both -jdk and -compilejdk, 
the latter being the JDK to use to compile the tests. In that scenario 
you will see that test.jdk and compile.jdk are different (as expected).

-Alan.
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