105 lines
3.7 KiB
Java
105 lines
3.7 KiB
Java
/*
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* Copyright (c) 2009, 2018, 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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/*
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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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* @comment converted from test/jdk/com/sun/jdi/BreakpointWithFullGC.sh
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*
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* @library /test/lib
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* @compile -g BreakpointWithFullGC.java
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* @run main/othervm BreakpointWithFullGC
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*/
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import jdk.test.lib.process.OutputAnalyzer;
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import lib.jdb.Jdb;
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import lib.jdb.JdbCommand;
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import lib.jdb.JdbTest;
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import java.util.ArrayList;
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import java.util.List;
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class BreakpointWithFullGCTarg {
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public static List<Object> objList = new ArrayList<>();
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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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public class BreakpointWithFullGC extends JdbTest {
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public static void main(String argv[]) {
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new BreakpointWithFullGC().run();
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}
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private BreakpointWithFullGC() {
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super(new LaunchOptions(DEBUGGEE_CLASS)
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.addDebuggeeOptions(DEBUGGEE_OPTIONS));
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}
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private static final String DEBUGGEE_CLASS = BreakpointWithFullGCTarg.class.getName();
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// We don't specify "-Xmx" for debuggee as we have full GCs with any value.
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private static final String[] DEBUGGEE_OPTIONS = {"-verbose:gc"};
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@Override
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protected void runCases() {
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setBreakpointsFromTestSource("BreakpointWithFullGC.java", 1);
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// get to the first loop breakpoint
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jdb.command(JdbCommand.run());
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// 19 "cont" commands gets us through all the loop breakpoints.
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for (int i = 1; i <= 19; i++) {
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jdb.command(JdbCommand.cont());
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}
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// get to the last breakpoint
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jdb.command(JdbCommand.cont());
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jdb.contToExit(1);
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new OutputAnalyzer(getJdbOutput())
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// make sure we hit the first breakpoint at least once
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.stdoutShouldMatch("System\\..*top of loop")
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// make sure we hit the second breakpoint at least once
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.stdoutShouldMatch("System\\..*bottom of loop")
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// make sure we hit the last breakpoint
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.stdoutShouldMatch("System\\..*end of test");
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new OutputAnalyzer(getDebuggeeOutput())
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// check for error message due to thread ID change
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.stderrShouldNotContain("Exception in thread \"event-handler\" java.lang.NullPointerException");
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}
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}
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