| #!/bin/sh |
| |
| # |
| # Copyright (c) 2009, 2013, 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 6862295 |
| # @summary Verify breakpoints still work after a full GC. |
| # @author dcubed (based on the test program posted to the following |
| # Eclipse thread https://bugs.eclipse.org/bugs/show_bug.cgi?id=279137) |
| # |
| # @key intermittent |
| # @run shell BreakpointWithFullGC.sh |
| |
| compileOptions=-g |
| # Hijacking the mode parameter to make sure we use a small amount |
| # of memory and can see what GC is doing. |
| mode="-Xmx32m -verbose:gc" |
| # Force use of a GC framework collector to see the original failure. |
| #mode="$mode -XX:+UseSerialGC" |
| |
| # Uncomment this to see the JDI trace |
| #jdbOptions=-dbgtrace |
| |
| createJavaFile() |
| { |
| cat <<EOF > $1.java.1 |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class $1 { |
| public static List<Object> objList = new ArrayList<Object>(); |
| |
| private static void init(int numObjs) { |
| for (int i = 0; i < numObjs; i++) { |
| objList.add(new Object()); |
| } |
| } |
| |
| public static void main(String[] args) { |
| for (int i = 0; i < 10; i++) { |
| System.out.println("top of loop"); // @1 breakpoint |
| init(500000); |
| objList.clear(); |
| System.gc(); |
| System.out.println("bottom of loop"); // @1 breakpoint |
| } |
| System.out.println("end of test"); // @1 breakpoint |
| } |
| } |
| |
| EOF |
| } |
| |
| # This is called to feed cmds to jdb. |
| dojdbCmds() |
| { |
| setBkpts @1 |
| |
| # get to the first loop breakpoint |
| runToBkpt |
| # 19 "cont" commands gets us through all the loop breakpoints. |
| # Use for-loop instead of while-loop to avoid creating processes |
| # for '[' and 'expr'. |
| for ii in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; do |
| contToBkpt |
| done |
| # get to the last breakpoint |
| contToBkpt |
| } |
| |
| |
| mysetup() |
| { |
| if [ -z "$TESTSRC" ] ; then |
| TESTSRC=. |
| fi |
| |
| for ii in . $TESTSRC $TESTSRC/.. ; do |
| if [ -r "$ii/ShellScaffold.sh" ] ; then |
| . $ii/ShellScaffold.sh |
| break |
| fi |
| done |
| } |
| |
| # You could replace this next line with the contents |
| # of ShellScaffold.sh and this script will run just the same. |
| mysetup |
| |
| runit |
| |
| # make sure we hit the first breakpoint at least once |
| jdbFailIfNotPresent 'System\..*top of loop' |
| |
| # make sure we hit the second breakpoint at least once |
| jdbFailIfNotPresent 'System\..*bottom of loop' |
| |
| # make sure we hit the last breakpoint |
| jdbFailIfNotPresent 'System\..*end of test' |
| |
| # make sure we had at least one full GC |
| # Prior to JDK9-B95, the pattern was 'Full GC' |
| debuggeeMatchRegexp '^.*?\bPause Full\b\(System.gc\(\)\)\b.*?$' |
| |
| # check for error message due to thread ID change |
| debuggeeFailIfPresent \ |
| 'Exception in thread "event-handler" java.lang.NullPointerException' |
| |
| pass |