100 lines
3.3 KiB
Java
100 lines
3.3 KiB
Java
/*
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* Copyright (c) 2002, 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 4705330
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* @summary Netbeans Fix and Continue crashes JVM
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* @comment converted from test/jdk/com/sun/jdi/RedefineClearBreakpoint.sh
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*
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* @library /test/lib
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* @compile -g RedefineClearBreakpoint.java
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* @run main/othervm RedefineClearBreakpoint
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*/
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/*
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* The failure occurs after a breakpoint is set and then cleared
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* after a class redefinition, in a method that was EMCP.
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* This sequence creates a state in which subsequent operations
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* such as accessing local vars via JVMDI, can cause a hotspot crash.
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*/
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import jdk.test.lib.Asserts;
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import jdk.test.lib.process.OutputAnalyzer;
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import lib.jdb.JdbCommand;
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import lib.jdb.JdbTest;
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import java.util.List;
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class RedefineClearBreakpointTarg {
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public RedefineClearBreakpointTarg() {
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int a=23;
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a=m(a);
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}
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public int m(int b){
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int bb=89;
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System.out.println("RedefineClearBreakpointTarg - constructor" + b); //@1 breakpoint
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return b*b;
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}
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public static void main(java.lang.String[] args) {
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new RedefineClearBreakpointTarg();
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int jj = 0; //@1 delete
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}
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}
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public class RedefineClearBreakpoint extends JdbTest {
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public static void main(String argv[]) {
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new RedefineClearBreakpoint().run();
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}
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private RedefineClearBreakpoint() {
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super(DEBUGGEE_CLASS, SOURCE_FILE);
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}
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private static final String DEBUGGEE_CLASS = RedefineClearBreakpointTarg.class.getName();
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private static final String SOURCE_FILE = "RedefineClearBreakpoint.java";
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@Override
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protected void runCases() {
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List<Integer> bps = parseBreakpoints(getTestSourcePath(SOURCE_FILE), 1);
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Asserts.assertEquals(bps.size(), 1, "unexpected breakpoint count");
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jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS, bps.get(0)));
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jdb.command(JdbCommand.run());
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redefineClass(1, "-g");
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jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS, bps.get(0)));
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jdb.command(JdbCommand.next()); // This is needed to make the crash happen at the 'locals' cmd
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jdb.command(JdbCommand.clear(DEBUGGEE_CLASS, bps.get(0)));
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jdb.command(JdbCommand.locals()); // The crash happens here
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new OutputAnalyzer(getDebuggeeOutput())
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.shouldNotContain("Internal exception:");
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}
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}
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