RFR: JDK-8292066 Convert TestInputArgument.sh and TestSystemLoadAvg.sh to java version

[Bill Huang]

On Mon, 29 Aug 2022 21:50:14 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

>> This task converts 2 shell tests to java version. 
>> test/java/lang/management/OperatingSystemMXBean/TestSystemLoadAvg.sh 
>> test/java/lang/management/RuntimeMXBean/TestInputArgument.sh
>
> test/jdk/java/lang/management/OperatingSystemMXBean/GetSystemLoadAverage.java line 69:
> 
>> 67:     }
>> 68: 
>> 69:     @Test(invocationCount = 5, timeOut = 300)
> 
> I am not sure it is the correct replacement. Accordingly to TestNG doc the invocationCount = 5 means that TestNG calls the test 5 times.  And test fails if any of the invocations fail while the bash script makes 5 attempts and passes if testcase passed in any of them.

Good catch! I've missed the exit statement in the original shell script.

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PR: https://git.openjdk.org/jdk/pull/9848