--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/logging/LoggerWeakRefLeak.sh Tue Jun 22 10:54:59 2010 -0700
@@ -0,0 +1,246 @@
+#
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+# @test
+# @bug 6942989
+# @summary Check for WeakReference leak in Logger objects
+# @author Daniel D. Daugherty
+#
+# @run build LoggerWeakRefLeak
+# @run shell/timeout=240 LoggerWeakRefLeak.sh
+
+# The timeout is: 2 minutes for infrastructure and 1 minute for the test
+#
+
+if [ "${TESTJAVA}" = "" ]
+then
+ echo "TESTJAVA not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+if [ "${TESTSRC}" = "" ]
+then
+ echo "TESTSRC not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+if [ "${TESTCLASSES}" = "" ]
+then
+ echo "TESTCLASSES not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+JAVA="${TESTJAVA}"/bin/java
+JMAP="${TESTJAVA}"/bin/jmap
+JPS="${TESTJAVA}"/bin/jps
+
+set -eu
+
+TEST_NAME="LoggerWeakRefLeak"
+TARGET_CLASS="java\.lang\.ref\.WeakReference"
+
+is_cygwin=false
+is_mks=false
+is_windows=false
+
+case `uname -s` in
+CYGWIN*)
+ is_cygwin=true
+ is_windows=true
+ ;;
+Windows_*)
+ is_mks=true
+ is_windows=true
+ ;;
+*)
+ ;;
+esac
+
+
+# wrapper for grep
+#
+grep_cmd() {
+ set +e
+ if $is_windows; then
+ # need dos2unix to get rid of CTRL-M chars from java output
+ dos2unix | grep "$@"
+ status="$?"
+ else
+ grep "$@"
+ status="$?"
+ fi
+ set -e
+}
+
+
+# MAIN begins here
+#
+
+seconds=
+if [ "$#" -gt 0 ]; then
+ seconds="$1"
+fi
+
+# see if this version of jmap supports the '-histo:live' option
+jmap_option="-histo:live"
+set +e
+"${JMAP}" "$jmap_option" 0 > "$TEST_NAME.jmap" 2>&1
+grep '^Usage: ' "$TEST_NAME.jmap" > /dev/null 2>&1
+status="$?"
+set -e
+if [ "$status" = 0 ]; then
+ echo "INFO: switching jmap option from '$jmap_option'\c"
+ jmap_option="-histo"
+ echo " to '$jmap_option'."
+fi
+
+"${JAVA}" ${TESTVMOPTS} -classpath "${TESTCLASSES}" \
+ "$TEST_NAME" $seconds > "$TEST_NAME.log" 2>&1 &
+test_pid="$!"
+echo "INFO: starting $TEST_NAME as pid = $test_pid"
+
+# wait for test program to get going
+count=0
+while [ "$count" -lt 30 ]; do
+ sleep 2
+ grep_cmd '^INFO: call count = 0$' < "$TEST_NAME.log" > /dev/null 2>&1
+ if [ "$status" = 0 ]; then
+ break
+ fi
+ count=`expr $count + 1`
+done
+
+if [ "$count" -ge 30 ]; then
+ echo "ERROR: $TEST_NAME failed to get going." >&2
+ echo "INFO: killing $test_pid"
+ kill "$test_pid"
+ exit 1
+elif [ "$count" -gt 1 ]; then
+ echo "INFO: $TEST_NAME took $count loops to start."
+fi
+
+if $is_cygwin; then
+ # We need the Windows pid for jmap and not the Cygwin pid.
+ # Note: '\t' works on Cygwin, but doesn't seem to work on Solaris.
+ jmap_pid=`"${JPS}"| grep_cmd "[ \t]$TEST_NAME$" | sed 's/[ \t].*//'`
+ if [ -z "$jmap_pid" ]; then
+ echo "FAIL: jps could not map Cygwin pid to Windows pid." >&2
+ echo "INFO: killing $test_pid"
+ kill "$test_pid"
+ exit 2
+ fi
+ echo "INFO: pid = $test_pid maps to Windows pid = $jmap_pid"
+else
+ jmap_pid="$test_pid"
+fi
+
+decreasing_cnt=0
+increasing_cnt=0
+loop_cnt=0
+prev_instance_cnt=0
+
+while true; do
+ # Output format for 'jmap -histo' in JDK1.5.0:
+ #
+ # <#bytes> <#instances> <class_name>
+ #
+ # Output format for 'jmap -histo:live':
+ #
+ # <num>: <#instances> <#bytes> <class_name>
+ #
+ set +e
+ "${JMAP}" "$jmap_option" "$jmap_pid" > "$TEST_NAME.jmap" 2>&1
+ status="$?"
+ set -e
+
+ if [ "$status" != 0 ]; then
+ echo "INFO: jmap exited with exit code = $status"
+ if [ "$loop_cnt" = 0 ]; then
+ echo "INFO: on the first iteration so no samples were taken."
+ echo "INFO: start of jmap output:"
+ cat "$TEST_NAME.jmap"
+ echo "INFO: end of jmap output."
+ echo "FAIL: jmap is unable to take any samples." >&2
+ echo "INFO: killing $test_pid"
+ kill "$test_pid"
+ exit 2
+ fi
+ echo "INFO: The likely reason is that $TEST_NAME has finished running."
+ break
+ fi
+
+ instance_cnt=`grep_cmd "[ ]$TARGET_CLASS$" \
+ < "$TEST_NAME.jmap" \
+ | sed '
+ # strip leading whitespace; does nothing in JDK1.5.0
+ s/^[ ][ ]*//
+ # strip <#bytes> in JDK1.5.0; does nothing otherwise
+ s/^[1-9][0-9]*[ ][ ]*//
+ # strip <num>: field; does nothing in JDK1.5.0
+ s/^[1-9][0-9]*:[ ][ ]*//
+ # strip <class_name> field
+ s/[ ].*//
+ '`
+ if [ -z "$instance_cnt" ]; then
+ echo "INFO: instance count is unexpectedly empty"
+ if [ "$loop_cnt" = 0 ]; then
+ echo "INFO: on the first iteration so no sample was found."
+ echo "INFO: There is likely a problem with the sed filter."
+ echo "INFO: start of jmap output:"
+ cat "$TEST_NAME.jmap"
+ echo "INFO: end of jmap output."
+ echo "FAIL: cannot find the instance count value." >&2
+ echo "INFO: killing $test_pid"
+ kill "$test_pid"
+ exit 2
+ fi
+ else
+ echo "INFO: instance_cnt = $instance_cnt"
+
+ if [ "$instance_cnt" -gt "$prev_instance_cnt" ]; then
+ increasing_cnt=`expr $increasing_cnt + 1`
+ else
+ decreasing_cnt=`expr $decreasing_cnt + 1`
+ fi
+ prev_instance_cnt="$instance_cnt"
+ fi
+
+ # delay between samples
+ sleep 5
+
+ loop_cnt=`expr $loop_cnt + 1`
+done
+
+echo "INFO: increasing_cnt = $increasing_cnt"
+echo "INFO: decreasing_cnt = $decreasing_cnt"
+
+echo "INFO: The instance count of" `eval echo $TARGET_CLASS` "objects"
+if [ "$decreasing_cnt" = 0 ]; then
+ echo "INFO: is always increasing."
+ echo "FAIL: This indicates that there is a memory leak." >&2
+ exit 2
+fi
+
+echo "INFO: is both increasing and decreasing."
+echo "PASS: This indicates that there is not a memory leak."
+exit 0