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From "Roman S. Bushmanov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-4005) [classlib][x-management] Wrong value of derived gauge in notifications issued by javax.management.monitor.CounterMonitor
Date Wed, 30 May 2007 16:43:15 GMT
 [classlib][x-management] Wrong value of derived gauge in notifications issued by  javax.management.monitor.CounterMonitor
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                 Key: HARMONY-4005
                 URL: https://issues.apache.org/jira/browse/HARMONY-4005
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
            Reporter: Roman S. Bushmanov


If the counter difference mode is used, CounterMonitor calculates the value of the derived
gauge incorrectly.
Notifications issued by counter monitor contain the last observed counter value as a derived
gaude value. The expected value is the difference betwen two successive observed counter values.

To reproduce the issue please run the attached testcase.
The expected output is 

Derived gauge: 2

Harmony produces the following instead:

<skipped>
Derived gauge: 3 

Affected tests
functional/org/apache/harmony/test/func/api/javax/management/monitor/countermonitor/DifferenceDontMonotonousTest.xml
functional/org/apache/harmony/test/func/api/javax/management/monitor/countermonitor/DifferenceDontMonotonousVaryTest.xml
functional/org/apache/harmony/test/func/api/javax/management/monitor/countermonitor/DifferenceMonotonousDontVaryTest.xml
functional/org/apache/harmony/test/func/api/javax/management/monitor/countermonitor/DifferenceMonotonousTest.xml
functional/org/apache/harmony/test/func/api/javax/management/monitor/countermonitor/GetterSetterTest.xml
functional/org/apache/harmony/test/func/api/javax/management/monitor/countermonitor/ThresholdsTest.xml
(see HARMONY-3528)

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