##

## @test @(#)test6941923.sh

## @bug 6941923 

## @summary test new added flags for gc log rotation 

## @author yqi 

## @run shell test6941923.sh

##

## skip on windows

OS=`uname -s`

case "$OS" in

  SunOS | Linux )

    NULL=/dev/null

    PS=":"

    FS="/"

    ;;

  Windows_* )

    echo "Test skipped for Windows"

    exit 0 

    ;;

  * )

    echo "Unrecognized system!"

    exit 1;

    ;;

esac

if [ "${JAVA_HOME}" = "" ]

then

  echo "JAVA_HOME not set"

  exit 0

fi

$JAVA_HOME/bin/java -version > $NULL 2>&1

if [ $? != 0 ]; then

  echo "Wrong JAVA_HOME? JAVA_HOME: $JAVA_HOME"

  exit $?

fi

# create a small test case

testname="Test"

if [ -e ${testname}.java ]; then

  rm -rf ${testname}.*

fi

cat >> ${testname}.java << __EOF__

import java.util.Vector;

public class Test implements Runnable

{

  private boolean _should_stop = false;

  public static void main(String[] args) throws Exception {

    long limit = Long.parseLong(args[0]) * 60L * 1000L;   // minutes

    Test t = new Test();

    t.set_stop(false);

    Thread thr = new Thread(t);

    thr.start();

    long time1 = System.currentTimeMillis();

    long time2 = System.currentTimeMillis();

    while (time2 - time1 < limit) {

      try {

        Thread.sleep(2000); // 2 seconds

      }

      catch(Exception e) {}

      time2 = System.currentTimeMillis();

      System.out.print("\r... " + (time2 - time1)/1000 + " seconds");

    }

    System.out.println();

    t.set_stop(true);

  }

  public void set_stop(boolean value) { _should_stop = value; }

  public void run() {

    int cap = 20000;

    int fix_size = 2048;

    int loop = 0;

    Vector< byte[] > v = new Vector< byte[] >(cap);

    while(!_should_stop) {

      byte[] g = new byte[fix_size];

      v.add(g);

      loop++;

      if (loop > cap) {

         v = null;

         cap *= 2;

         if (cap > 80000) cap = 80000;

         v = new Vector< byte[] >(cap);

      }

    }

  }

}

__EOF__

msgsuccess="succeeded"

msgfail="failed"

gclogsize="16K"

filesize=$((16*1024))

$JAVA_HOME/bin/javac ${testname}.java > $NULL 2>&1

if [ $? != 0 ]; then

  echo "$JAVA_HOME/bin/javac ${testname}.java $fail"

  exit -1

fi

# test for 2 minutes, it will complete circulation of gc log rotation

tts=2

logfile="test.log"

hotspotlog="hotspot.log"

if [ -e $logfile  ]; then

  rm -rf $logfile

fi

#also delete $hotspotlog if it exists

if [ -f $hotspotlog ]; then 

  rm -rf $hotspotlog

fi

options="-Xloggc:$logfile -XX:+UseConcMarkSweepGC -XX:+PrintGC -XX:+PrintGCDetails -XX:+UseGCLogFileRotation  -XX:NumberOfGCLogFiles=1 -XX:GCLogFileSize=$gclogsize"

echo "Test gc log rotation in same file, wait for $tts minutes ...."

$JAVA_HOME/bin/java $options $testname $tts

if [ $? != 0 ]; then

  echo "$msgfail"

  exit -1

fi

# rotation file will be $logfile.0 

if [ -f $logfile.0 ]; then

  outfilesize=`ls -l $logfile.0 | awk '{print $5 }'`

  if [ $((outfilesize)) -ge $((filesize)) ]; then

    echo $msgsuccess

  else

    echo $msgfail

  fi

else 

  echo $msgfail

  exit -1

fi

# delete log file 

rm -rf $logfile.0

if [ -f $hotspotlog ]; then

  rm -rf $hotspotlog

fi

#multiple log files

numoffiles=3

options="-Xloggc:$logfile -XX:+UseConcMarkSweepGC -XX:+PrintGC -XX:+PrintGCDetails -XX:+UseGCLogFileRotation  -XX:NumberOfGCLogFiles=$numoffiles -XX:GCLogFileSize=$gclogsize"

echo "Test gc log rotation in $numoffiles files, wait for $tts minutes ...."

$JAVA_HOME/bin/java $options $testname $tts

if [ $? != 0 ]; then

  echo "$msgfail"

  exit -1

fi

atleast=0    # at least size of numoffile-1 files >= $gclogsize

tk=0

while [ $(($tk)) -lt $(($numoffiles)) ]

do

  if [ -f $logfile.$tk ]; then

    outfilesize=`ls -l $logfile.$tk | awk '{ print $5 }'`

    if [ $(($outfilesize)) -ge $(($filesize)) ]; then

      atleast=$((atleast+1))

    fi

  fi

  tk=$((tk+1))

done

rm -rf $logfile.*

rm -rf $testname.*

rm -rf $hotspotlog

if [ $(($atleast)) -ge $(($numoffiles-1)) ]; then

  echo $msgsuccess

else

  echo $msgfail

  exit -1

fi