132 lines
3.7 KiB
Bash
132 lines
3.7 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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# @test
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# @bug 6862295
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# @summary Verify breakpoints still work after a full GC.
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# @author dcubed (based on the test program posted to the following
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# Eclipse thread https://bugs.eclipse.org/bugs/show_bug.cgi?id=279137)
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#
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# @key intermittent
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# @run shell BreakpointWithFullGC.sh
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compileOptions=-g
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# Hijacking the mode parameter to make sure we use a small amount
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# of memory and can see what GC is doing.
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mode="-Xmx32m -verbose:gc"
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# Force use of a GC framework collector to see the original failure.
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#mode="$mode -XX:+UseSerialGC"
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# Uncomment this to see the JDI trace
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#jdbOptions=-dbgtrace
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createJavaFile()
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{
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cat <<EOF > $1.java.1
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import java.util.ArrayList;
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import java.util.List;
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public class $1 {
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public static List<Object> objList = new ArrayList<Object>();
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private static void init(int numObjs) {
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for (int i = 0; i < numObjs; i++) {
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objList.add(new Object());
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}
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}
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public static void main(String[] args) {
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for (int i = 0; i < 10; i++) {
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System.out.println("top of loop"); // @1 breakpoint
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init(500000);
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objList.clear();
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System.gc();
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System.out.println("bottom of loop"); // @1 breakpoint
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}
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System.out.println("end of test"); // @1 breakpoint
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}
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}
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EOF
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}
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# This is called to feed cmds to jdb.
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dojdbCmds()
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{
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setBkpts @1
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# get to the first loop breakpoint
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runToBkpt
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# 19 "cont" commands gets us through all the loop breakpoints.
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# Use for-loop instead of while-loop to avoid creating processes
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# for '[' and 'expr'.
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for ii in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; do
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contToBkpt
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done
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# get to the last breakpoint
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contToBkpt
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}
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mysetup()
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{
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if [ -z "$TESTSRC" ] ; then
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TESTSRC=.
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fi
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for ii in . $TESTSRC $TESTSRC/.. ; do
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if [ -r "$ii/ShellScaffold.sh" ] ; then
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. $ii/ShellScaffold.sh
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break
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fi
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done
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}
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# You could replace this next line with the contents
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# of ShellScaffold.sh and this script will run just the same.
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mysetup
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runit
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# make sure we hit the first breakpoint at least once
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jdbFailIfNotPresent 'System\..*top of loop'
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# make sure we hit the second breakpoint at least once
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jdbFailIfNotPresent 'System\..*bottom of loop'
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# make sure we hit the last breakpoint
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jdbFailIfNotPresent 'System\..*end of test'
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# make sure we had at least one full GC
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# Prior to JDK9-B95, the pattern was 'Full GC'
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debuggeeMatchRegexp '^.*?\bPause Full\b\(System.gc\(\)\)\b.*?$'
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# check for error message due to thread ID change
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debuggeeFailIfPresent \
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'Exception in thread "event-handler" java.lang.NullPointerException'
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pass
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