509 lines
21 KiB
Java
509 lines
21 KiB
Java
/*
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* Copyright (c) 2001, 2020, 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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package nsk.jdi.EventSet.resume;
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import nsk.share.*;
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import nsk.share.jpda.*;
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import nsk.share.jdi.*;
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import com.sun.jdi.*;
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import com.sun.jdi.event.*;
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import com.sun.jdi.request.*;
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import java.util.*;
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import java.io.*;
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/**
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* The test for the implementation of an object of the type <BR>
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* EventSet. <BR>
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* <BR>
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* The test checks that results of the method <BR>
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* <code>com.sun.jdi.EventSet.resume()</code> <BR>
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* complies with its spec. <BR>
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* <BR>
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* Test cases include all three possible suspensions, NONE, <BR>
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* EVENT_THREAD, and ALL, for ModificationWatchpointEvent sets. <BR>
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* <BR>
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* To check up on the method, a debugger, <BR>
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* upon getting new set for the EventSet, <BR>
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* suspends VM with the method VirtualMachine.suspend(), <BR>
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* gets the List of debuggee's threads calling VM.allThreads(), <BR>
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* invokes the method EventSet.resume(), and <BR>
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* gets another List of debuggee's threads. <BR>
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* The debugger then compares values of <BR>
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* each thread's suspendCount from first and second Lists. <BR>
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* <BR>
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* The test has three phases and works as follows. <BR>
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* <BR>
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* In first phase, <BR>
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* upon launching debuggee's VM which will be suspended, <BR>
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* a debugger waits for the VMStartEvent within a predefined <BR>
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* time interval. If no the VMStartEvent received, the test is FAILED. <BR>
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* Upon getting the VMStartEvent, it makes the request for debuggee's <BR>
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* ClassPrepareEvent with SUSPEND_EVENT_THREAD, resumes the VM, <BR>
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* and waits for the event within the predefined time interval. <BR>
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* If no the ClassPrepareEvent received, the test is FAILED. <BR>
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* Upon getting the ClassPrepareEvent, <BR>
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* the debugger sets up the breakpoint with SUSPEND_EVENT_THREAD <BR>
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* within debuggee's special methodForCommunication(). <BR>
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* <BR>
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* In second phase to check the above, <BR>
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* the debugger and the debuggee perform the following loop. <BR>
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* - The debugger sets up a ModificationWatchpointRequest, resumes <BR>
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* the debuggee, and waits for the ModificationWatchpointEvent. <BR>
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* - The debuggee invokes the special method which makes access to <BR>
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* a predefined variable to be resulting in the event. <BR>
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* - Upon getting new event, the debugger <BR>
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* performs the check corresponding to the event. <BR>
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* <BR>
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* Note. To inform each other of needed actions, the debugger and <BR>
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* and the debuggee use debuggee's variable "instruction". <BR>
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* In third phase, at the end, <BR>
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* the debuggee changes the value of the "instruction" <BR>
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* to inform the debugger of checks finished, and both end. <BR>
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* <BR>
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*/
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public class resume003 extends JDIBase {
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public static void main (String argv[]) {
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int result = run(argv, System.out);
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System.exit(result + PASS_BASE);
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}
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public static int run (String argv[], PrintStream out) {
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int exitCode = new resume003().runThis(argv, out);
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if (exitCode != PASSED) {
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System.out.println("TEST FAILED");
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}
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return testExitCode;
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}
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// ************************************************ test parameters
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private String debuggeeName =
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"nsk.jdi.EventSet.resume.resume003a";
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private String testedClassName =
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"nsk.jdi.EventSet.resume.resume003aTestClass";
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//====================================================== test program
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private int runThis (String argv[], PrintStream out) {
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argsHandler = new ArgumentHandler(argv);
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logHandler = new Log(out, argsHandler);
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Binder binder = new Binder(argsHandler, logHandler);
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waitTime = argsHandler.getWaitTime() * 60000;
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try {
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log2("launching a debuggee :");
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log2(" " + debuggeeName);
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if (argsHandler.verbose()) {
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debuggee = binder.bindToDebugee(debuggeeName + " -vbs");
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} else {
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debuggee = binder.bindToDebugee(debuggeeName);
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}
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if (debuggee == null) {
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log3("ERROR: no debuggee launched");
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return FAILED;
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}
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log2("debuggee launched");
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} catch ( Exception e ) {
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log3("ERROR: Exception : " + e);
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log2(" test cancelled");
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return FAILED;
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}
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debuggee.redirectOutput(logHandler);
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vm = debuggee.VM();
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eventQueue = vm.eventQueue();
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if (eventQueue == null) {
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log3("ERROR: eventQueue == null : TEST ABORTED");
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vm.exit(PASS_BASE);
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return FAILED;
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}
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log2("invocation of the method runTest()");
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switch (runTest()) {
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case 0 : log2("test phase has finished normally");
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log2(" waiting for the debuggee to finish ...");
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debuggee.waitFor();
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log2("......getting the debuggee's exit status");
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int status = debuggee.getStatus();
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if (status != PASS_BASE) {
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log3("ERROR: debuggee returned UNEXPECTED exit status: " +
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status + " != PASS_BASE");
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testExitCode = FAILED;
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} else {
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log2("......debuggee returned expected exit status: " +
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status + " == PASS_BASE");
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}
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break;
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default : log3("ERROR: runTest() returned unexpected value");
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case 1 : log3("test phase has not finished normally: debuggee is still alive");
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log2("......forcing: vm.exit();");
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testExitCode = FAILED;
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try {
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vm.exit(PASS_BASE);
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} catch ( Exception e ) {
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log3("ERROR: Exception : e");
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}
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break;
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case 2 : log3("test cancelled due to VMDisconnectedException");
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log2("......trying: vm.process().destroy();");
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testExitCode = FAILED;
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try {
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Process vmProcess = vm.process();
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if (vmProcess != null) {
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vmProcess.destroy();
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}
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} catch ( Exception e ) {
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log3("ERROR: Exception : e");
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}
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break;
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}
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return testExitCode;
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}
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/*
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* Return value: 0 - normal end of the test
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* 1 - ubnormal end of the test
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* 2 - VMDisconnectedException while test phase
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*/
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private int runTest() {
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try {
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testRun();
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log2("waiting for VMDeathEvent");
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getEventSet();
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if (eventIterator.nextEvent() instanceof VMDeathEvent)
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return 0;
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log3("ERROR: last event is not the VMDeathEvent");
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return 1;
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} catch ( VMDisconnectedException e ) {
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log3("ERROR: VMDisconnectedException : " + e);
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return 2;
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} catch ( Exception e ) {
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log3("ERROR: Exception : " + e);
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return 1;
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}
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}
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private void testRun()
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throws JDITestRuntimeException, Exception {
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if ( !vm.canWatchFieldModification() ) {
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log2("......vm.canWatchFieldModification == false :: test cancelled");
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vm.exit(PASS_BASE);
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return;
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}
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eventRManager = vm.eventRequestManager();
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ClassPrepareRequest cpRequest = eventRManager.createClassPrepareRequest();
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cpRequest.setSuspendPolicy( EventRequest.SUSPEND_EVENT_THREAD);
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cpRequest.addClassFilter(debuggeeName);
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cpRequest.enable();
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vm.resume();
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getEventSet();
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cpRequest.disable();
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ClassPrepareEvent event = (ClassPrepareEvent) eventIterator.next();
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debuggeeClass = event.referenceType();
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if (!debuggeeClass.name().equals(debuggeeName))
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throw new JDITestRuntimeException("** Unexpected ClassName for ClassPrepareEvent **");
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log2(" received: ClassPrepareEvent for debuggeeClass");
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String bPointMethod = "methodForCommunication";
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String lineForComm = "lineForComm";
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BreakpointRequest bpRequest;
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ThreadReference mainThread = debuggee.threadByNameOrThrow("main");
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bpRequest = settingBreakpoint(mainThread,
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debuggeeClass,
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bPointMethod, lineForComm, "zero");
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bpRequest.enable();
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vm.resume();
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//------------------------------------------------------ testing section
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log1(" TESTING BEGINS");
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EventRequest eventRequest1 = null;
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EventRequest eventRequest2 = null;
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EventRequest eventRequest3 = null;
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final int SUSPEND_NONE = EventRequest.SUSPEND_NONE;
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final int SUSPEND_THREAD = EventRequest.SUSPEND_EVENT_THREAD;
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final int SUSPEND_ALL = EventRequest.SUSPEND_ALL;
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String fieldName = "var1";
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ReferenceType testClassReference = null;
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for (int i = 0; ; i++) {
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breakpointForCommunication();
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int instruction = ((IntegerValue)
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(debuggeeClass.getValue(debuggeeClass.fieldByName("instruction")))).value();
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if (instruction == 0) {
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vm.resume();
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break;
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}
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log1(":::::: case: # " + i);
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ variable part
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switch (i) {
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case 0:
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testClassReference =
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(ReferenceType) vm.classesByName(testedClassName).get(0);
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eventRequest1 = settingModificationWatchpointRequest (mainThread,
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testClassReference, fieldName,
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SUSPEND_NONE, "ModificationWatchpointRequest1");
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eventRequest1.enable();
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break;
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case 1:
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eventRequest2 = settingModificationWatchpointRequest (mainThread,
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testClassReference, fieldName,
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SUSPEND_THREAD, "ModificationWatchpointRequest2");
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eventRequest2.enable();
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break;
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case 2:
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eventRequest3 = settingModificationWatchpointRequest (mainThread,
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testClassReference, fieldName,
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SUSPEND_ALL, "ModificationWatchpointRequest3");
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eventRequest3.enable();
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break;
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default:
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throw new JDITestRuntimeException("** default case 2 **");
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}
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log2("......waiting for new ModificationWatchpointEvent : " + i);
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mainThread.resume();
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getEventSet();
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Event newEvent = eventIterator.nextEvent();
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if ( !(newEvent instanceof ModificationWatchpointEvent)) {
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log3("ERROR: new event is not ModificationWatchpointEvent");
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testExitCode = FAILED;
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} else {
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String property = (String) newEvent.request().getProperty("number");
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log2(" got new ModificationWatchpointEvent with propety 'number' == " + property);
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log2("......checking up on EventSet.resume()");
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log2("......--> vm.suspend();");
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vm.suspend();
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log2(" getting : Map<String, Integer> suspendsCounts1");
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Map<String, Integer> suspendsCounts1 = new HashMap<String, Integer>();
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for (ThreadReference threadReference : vm.allThreads()) {
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suspendsCounts1.put(threadReference.name(), threadReference.suspendCount());
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}
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log2(" eventSet.resume;");
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eventSet.resume();
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log2(" getting : Map<String, Integer> suspendsCounts2");
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Map<String, Integer> suspendsCounts2 = new HashMap<String, Integer>();
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for (ThreadReference threadReference : vm.allThreads()) {
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suspendsCounts2.put(threadReference.name(), threadReference.suspendCount());
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}
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log2(suspendsCounts1.toString());
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log2(suspendsCounts2.toString());
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log2(" getting : int policy = eventSet.suspendPolicy();");
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int policy = eventSet.suspendPolicy();
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switch (policy) {
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case SUSPEND_NONE :
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log2(" case SUSPEND_NONE");
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for (String threadName : suspendsCounts1.keySet()) {
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log2(" checking " + threadName);
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if (!suspendsCounts2.containsKey(threadName)) {
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log3("ERROR: couldn't get ThreadReference for " + threadName);
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testExitCode = FAILED;
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break;
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}
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int count1 = suspendsCounts1.get(threadName);
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int count2 = suspendsCounts2.get(threadName);
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if (count1 != count2) {
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log3("ERROR: suspendCounts don't match for : " + threadName);
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log3("before resuming : " + count1);
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log3("after resuming : " + count2);
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testExitCode = FAILED;
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break;
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}
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}
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eventRequest1.disable();
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break;
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case SUSPEND_THREAD :
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log2(" case SUSPEND_THREAD");
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for (String threadName : suspendsCounts1.keySet()) {
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log2("checking " + threadName);
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if (!suspendsCounts2.containsKey(threadName)) {
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log3("ERROR: couldn't get ThreadReference for " + threadName);
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testExitCode = FAILED;
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break;
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}
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int count1 = suspendsCounts1.get(threadName);
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int count2 = suspendsCounts2.get(threadName);
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String eventThreadName = ((ModificationWatchpointEvent)newEvent).thread().name();
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int expectedValue = count2 + (eventThreadName.equals(threadName) ? 1 : 0);
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if (count1 != expectedValue) {
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log3("ERROR: suspendCounts don't match for : " + threadName);
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log3("before resuming : " + count1);
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log3("after resuming : " + count2);
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testExitCode = FAILED;
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break;
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}
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}
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eventRequest2.disable();
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break;
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case SUSPEND_ALL :
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log2(" case SUSPEND_ALL");
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for (String threadName : suspendsCounts1.keySet()) {
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log2("checking " + threadName);
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if (!event.request().equals(eventRequest3))
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break;
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if (!suspendsCounts2.containsKey(threadName)) {
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log3("ERROR: couldn't get ThreadReference for " + threadName);
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testExitCode = FAILED;
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break;
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}
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int count1 = suspendsCounts1.get(threadName);
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int count2 = suspendsCounts2.get(threadName);
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if (count1 != count2 + 1) {
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log3("ERROR: suspendCounts don't match for : " + threadName);
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log3("before resuming : " + count1);
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log3("after resuming : " + count2);
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testExitCode = FAILED;
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break;
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}
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}
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eventRequest3.disable();
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break;
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default: throw new JDITestRuntimeException("** default case 1 **");
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}
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}
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log2("......--> vm.resume()");
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vm.resume();
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informDebuggeeTestCase(i);
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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}
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log1(" TESTING ENDS");
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return;
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}
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// ============================== test's additional methods
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private ModificationWatchpointRequest settingModificationWatchpointRequest (
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ThreadReference thread,
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ReferenceType testedClass,
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String fieldName,
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int suspendPolicy,
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String property )
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throws JDITestRuntimeException {
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try {
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log2("......setting up ModificationWatchpointRequest:");
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log2(" thread: " + thread + "; class: " + testedClass + "; fieldName: " + fieldName);
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Field field = testedClass.fieldByName(fieldName);
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ModificationWatchpointRequest
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awr = eventRManager.createModificationWatchpointRequest(field);
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awr.putProperty("number", property);
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awr.addThreadFilter(thread);
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awr.setSuspendPolicy(suspendPolicy);
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log2(" ModificationWatchpointRequest has been set up");
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return awr;
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} catch ( Exception e ) {
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log3("ERROR: ATTENTION: Exception within settingModificationWatchpointRequest() : " + e);
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log3(" ModificationWatchpointRequest HAS NOT BEEN SET UP");
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throw new JDITestRuntimeException("** FAILURE to set up ModificationWatchpointRequest **");
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}
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}
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/**
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* Inform debuggee which thread test the debugger has completed.
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* Used for synchronization, so the debuggee does not move too quickly.
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* @param testCase index of just completed test
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*/
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void informDebuggeeTestCase(int testCase) {
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try {
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((ClassType)debuggeeClass)
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.setValue(debuggeeClass.fieldByName("testCase"),
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vm.mirrorOf(testCase));
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} catch (InvalidTypeException ite) {
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throw new Failure("** FAILURE setting testCase **");
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} catch (ClassNotLoadedException cnle) {
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throw new Failure("** FAILURE notifying debuggee **");
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} catch (VMDisconnectedException e) {
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throw new Failure("** FAILURE debuggee connection **");
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}
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}
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}
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