jdk/test/com/sun/jdi/PopAndInvokeTest.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/jdi/PopAndInvokeTest.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,187 @@
+/*
+ * Copyright 2007 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 6517249
+ *  @summary JDWP: Cannot do an invokeMethod after a popFrames operation
+ *
+ *  @author jjh
+ *
+ *  @run build TestScaffold VMConnection TargetListener TargetAdapter
+ *  @run compile -g PopAndInvokeTest.java
+ *  @run main PopAndInvokeTest
+ */
+import com.sun.jdi.*;
+import com.sun.jdi.event.*;
+import java.util.*;
+
+class PopAndInvokeTarg {
+    static boolean waiting = false;
+
+    public static void A() {
+        System.out.println("    debuggee: in A");
+    }
+
+    public static void invokeee() {
+        System.out.println("    debuggee: invokee");
+    }
+
+    public static void waiter() {
+        if (waiting) {
+            return;
+        }
+        waiting = true;
+        System.out.println("    debuggee: in waiter");
+        while (true) {
+        }
+    }
+
+    public static void main(String[] args) {
+        System.out.println("    debuggee: Howdy!");
+        /*
+         * Debugger will bkpt in A, popFrames back to here
+         * and then do an invokeMethod on invokeee.
+         * This should work.
+         */
+        A();
+
+        /*
+         * Debugger will resume and we will enter
+         * waiter().  Debugger will then do a suspend,
+         * a popFrames back to here, and an invoke
+         * which should fail.
+         */
+        waiter();
+        System.out.println("    debuggee: Goodbye from PopAndInvokeTarg!");
+    }
+}
+
+
+    /********** test program **********/
+
+public class PopAndInvokeTest extends TestScaffold {
+    ClassType targetClass;
+    ThreadReference mainThread;
+
+    PopAndInvokeTest (String args[]) {
+        super(args);
+    }
+
+    public static void main(String[] args)      throws Exception {
+        new PopAndInvokeTest(args).startTests();
+    }
+
+    StackFrame frameFor(String methodName) throws Exception {
+        Iterator it = mainThread.frames().iterator();
+
+        while (it.hasNext()) {
+            StackFrame frame = (StackFrame)it.next();
+            if (frame.location().method().name().equals(methodName)) {
+                return frame;
+            }
+        }
+        failure("FAIL: " + methodName + " not on stack");
+        return null;
+    }
+
+    /********** test core **********/
+
+    protected void runTests() throws Exception {
+        /*
+         * Get to the top of main()
+         * to determine targetClass and mainThread
+         */
+        runOnce();
+    }
+
+    void runOnce() throws Exception {
+
+        BreakpointEvent bpe = startTo("PopAndInvokeTarg", "A", "()V");
+        targetClass = (ClassType)bpe.location().declaringType();
+        mainThread = bpe.thread();
+
+        /*
+         * Verify that an invokeMethod works ok after a popFrames
+         * in a thread suspended by an event.
+         */
+        mainThread.popFrames(frameFor("A"));
+
+        System.out.println("Debugger: Popped back to the call to A()");
+        System.out.println("Debugger: Doing invoke");
+
+        Method invokeeeMethod = (Method)targetClass.methodsByName("invokeee").get(0);
+        try {
+            targetClass.invokeMethod(mainThread, invokeeeMethod,
+                                     new ArrayList(), 0);
+        } catch (Exception ex) {
+            failure("failure: invoke got unexpected exception: " + ex);
+            ex.printStackTrace();
+        }
+        System.out.println("Debugger: invoke done");
+
+        /*
+         * Verify that an invokeMethod gets an IncompatibleThreadStateException
+         * after a popFrames in a thread that is _not_ suspended by an event.
+         */
+        System.out.println("Debugger: Resuming debuggee");
+        vm().resume();
+
+        Field waiting = targetClass.fieldByName("waiting");
+        while (true) {
+            // Wait until debuggee enters the 'waiting' method.
+            BooleanValue bv= (BooleanValue)targetClass.getValue(waiting);
+            if (!bv.value()) {
+                try {
+                    Thread.sleep(10);
+                } catch (InterruptedException ee) {
+                }
+                continue;
+            }
+
+            // debuggee has entered the waiting method
+            System.out.println("Debugger: Suspending debuggee");
+            vm().suspend();
+            System.out.println("Debugger: Popping frame for waiter");
+            mainThread.popFrames(frameFor("waiter"));
+            System.out.println("Debugger: Invoking method");
+            try {
+                targetClass.invokeMethod(mainThread, invokeeeMethod,
+                                         new ArrayList(), 0);
+            } catch (IncompatibleThreadStateException ee) {
+                System.out.println("Debugger: Success: Got expected IncompatibleThreadStateException");
+                break;
+            } catch (Exception ee) {
+                failure("FAIL: Got unexpected exception: " + ee);
+                break;
+            }
+            failure("FAIL: Did not get IncompatibleThreadStateException " +
+                    "when debuggee is not suspended by an event");
+        }
+        listenUntilVMDisconnect();
+        if (testFailed) {
+            throw new Exception("PopAndInvokeTest failed");
+        }
+        System.out.println("Passed:");
+    }
+}