--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/jdi/ResumeOneThreadTest.java Wed Jul 09 13:43:26 2008 -0700
@@ -0,0 +1,233 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @bug 6700889
+ * @summary Thread resume invalidates all stack frames, even from other threads
+ *
+ * @author jjh
+ *
+ * @run build TestScaffold VMConnection TargetListener TargetAdapter
+ * @run compile -g ResumeOneThreadTest.java
+ * @run main ResumeOneThreadTest
+ */
+import com.sun.jdi.*;
+import com.sun.jdi.event.*;
+import com.sun.jdi.request.*;
+
+import java.util.*;
+
+class ResumeOneThreadTarg extends Thread {
+ static String name1 = "Thread 1";
+ static String name2 = "Thread 2";
+
+ public ResumeOneThreadTarg(String name) {
+ super(name);
+ }
+
+ public static void main(String[] args) {
+ System.out.println(" Debuggee: Howdy!");
+ ResumeOneThreadTarg t1 = new ResumeOneThreadTarg(name1);
+ ResumeOneThreadTarg t2 = new ResumeOneThreadTarg(name2);
+
+ t1.start();
+ t2.start();
+ }
+
+ // This just starts two threads. Each runs to a bkpt.
+ public void run() {
+ if (getName().equals(name1)) {
+ run1();
+ } else {
+ run2();
+ }
+ }
+
+ public void bkpt1(String p1) {
+ System.out.println(" Debuggee: bkpt 1");
+ }
+
+ public void run1() {
+ bkpt1("Hello Alviso!");
+ }
+
+
+
+ public void bkpt2() {
+ System.out.println(" Debuggee: bkpt 2");
+ }
+
+ public void run2() {
+ bkpt2();
+ }
+}
+
+/********** test program **********/
+
+public class ResumeOneThreadTest extends TestScaffold {
+ ReferenceType targetClass;
+ ThreadReference mainThread;
+
+ BreakpointRequest request1;
+ BreakpointRequest request2;
+
+ ThreadReference thread1 = null;
+ ThreadReference thread2 = null;;
+ boolean theVMisDead = false;
+
+ ResumeOneThreadTest (String args[]) {
+ super(args);
+ }
+
+ public static void main(String[] args) throws Exception {
+ new ResumeOneThreadTest(args).startTests();
+ }
+
+
+ synchronized public void breakpointReached(BreakpointEvent event) {
+ println("-- Got bkpt at: " + event.location());
+ ThreadReference eventThread = event.thread();
+
+ if (eventThread.name().equals(ResumeOneThreadTarg.name1)) {
+ thread1 = eventThread;
+ }
+
+ if (eventThread.name().equals(ResumeOneThreadTarg.name2)) {
+ thread2 = eventThread;
+ }
+ }
+
+ public void vmDied(VMDeathEvent event) {
+ theVMisDead = true;
+ }
+
+ synchronized public void eventSetComplete(EventSet set) {
+ if (theVMisDead) {
+ return;
+ }
+ if (thread1 == null || thread2 == null) {
+ // Don't do a set.resume(), just let the other thread
+ // keep running until it hits its bkpt.
+ return;
+ }
+
+ // Both threads are stopped at their bkpts. Get a StackFrame from
+ // Thread 1 then resume Thread 2 and verify that the saved StackFrame is
+ // still valid.
+
+ // suspend everything.
+ println("-- All threads suspended");
+ vm().suspend();
+
+ StackFrame t1sf0 = null;
+ try {
+ t1sf0 = thread1.frame(0);
+ } catch (IncompatibleThreadStateException ee) {
+ failure("FAILED: Exception: " + ee);
+ }
+
+ println("-- t1sf0 args: " + t1sf0.getArgumentValues());
+
+ // Ok, we have a StackFrame for thread 1. Resume just thread 2
+ // Note that thread 2 has been suspended twice - by the SUSPEND_ALL
+ // bkpt, and by the above vm().suspend(), so we have to resume
+ // it twice.
+ request2.disable();
+
+ thread2.resume();
+ thread2.resume();
+ println("-- Did Resume on thread 2");
+
+ // Can we get frames for thread1?
+ try {
+ StackFrame t1sf0_1 = thread1.frame(0);
+ if (!t1sf0.equals(t1sf0_1)) {
+ failure("FAILED: Got a different frame 0 for thread 1 after resuming thread 2");
+ }
+ } catch (IncompatibleThreadStateException ee) {
+ failure("FAILED: Could not get frames for thread 1: Exception: " + ee);
+ } catch (Exception ee) {
+ failure("FAILED: Could not get frames for thread 1: Exception: " + ee);
+ }
+
+
+ try {
+ println("-- t1sf0 args: " + t1sf0.getArgumentValues());
+ } catch (InvalidStackFrameException ee) {
+ // This is the failure.
+ failure("FAILED Got InvalidStackFrameException");
+ vm().dispose();
+ throw(ee);
+ }
+
+ // Let the debuggee finish
+ request1.disable();
+ thread1.resume();
+ vm().resume();
+ println("--------------");
+ }
+
+ /********** test core **********/
+
+ protected void runTests() throws Exception {
+
+ /*
+ * Get to the top of main()
+ * to determine targetClass and mainThread
+ */
+ BreakpointEvent bpe = startToMain("ResumeOneThreadTarg");
+ targetClass = bpe.location().declaringType();
+ mainThread = bpe.thread();
+ EventRequestManager erm = vm().eventRequestManager();
+ final Thread mainThread = Thread.currentThread();
+
+ /*
+ * Set event requests
+ */
+
+ Location loc1 = findMethod(targetClass, "bkpt1", "(Ljava/lang/String;)V").location();
+ request1 = erm.createBreakpointRequest(loc1);
+ request1.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
+ request1.enable();
+
+ Location loc2 = findMethod(targetClass, "bkpt2", "()V").location();
+ request2 = erm.createBreakpointRequest(loc2);
+ request2.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
+ request2.enable();
+
+ /*
+ * resume the target, listening for events
+ */
+ listenUntilVMDisconnect();
+ /*
+ * deal with results of test
+ * if anything has called failure("foo") testFailed will be true
+ */
+ if (!testFailed) {
+ println("ResumeOneThreadTest: passed");
+ } else {
+ throw new Exception("ResumeOneThreadTest: failed");
+ }
+ }
+}