#

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#

# @test

# @bug     4982128

# @summary Test low memory detection of non-heap memory pool

# @requires vm.gc=="null"

# @modules java.management

# @run build LowMemoryTest2 MemoryUtil

# @run shell/timeout=600 LowMemoryTest2.sh

#

if [ ! -z "${TESTJAVA}" ] ; then

     JAVA=${TESTJAVA}/bin/java

     CLASSPATH=${TESTCLASSES}

     export CLASSPATH

else

     echo "--Error: TESTJAVA must be defined as the pathname of a jdk to test."

     exit 1

fi

# Test execution

failures=0

go() {

    echo ''

    sh -xc "$JAVA $TESTVMOPTS $*" 2>&1

    if [ $? != 0 ]; then failures=`expr $failures + 1`; fi

}

# Run test with each GC configuration

# 

# Notes: To ensure that metaspace fills up we disable class unloading.

# Also we set the max metaspace to 8MB - otherwise the test takes too

# long to run. 

go -noclassgc -XX:MaxMetaspaceSize=16m -XX:+UseSerialGC LowMemoryTest2

go -noclassgc -XX:MaxMetaspaceSize=16m -XX:+UseParallelGC LowMemoryTest2

go -noclassgc -XX:MaxMetaspaceSize=16m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC LowMemoryTest2

# Test class metaspace - might hit MaxMetaspaceSize instead if

# UseCompressedClassPointers is off or if 32 bit.

go -noclassgc -XX:MaxMetaspaceSize=16m -XX:CompressedClassSpaceSize=4m LowMemoryTest2

echo ''

if [ $failures -gt 0 ];

  then echo "$failures test(s) failed";

  else echo "All test(s) passed"; fi

exit $failures