523 lines
19 KiB
Java
523 lines
19 KiB
Java
/*
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* Copyright (c) 2001, 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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package nsk.jdi.EventQueue.remove;
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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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* EventQueue. <BR>
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* <BR>
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* The test checks up that results of the method <BR>
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* <code>com.sun.jdi.EventQueue.remove()</code> <BR>
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* complies with its spec. <BR>
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* <BR>
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* Since method's assertion is <BR>
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* "Waits forever for the next available event." <BR>
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* in the condition of a limited time for testing, <BR>
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* the test case limits time for waiting for the next event <BR>
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* to the standard value of WAITTIME set up in the testbase_nsk.<BR>
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* <BR>
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* The test works as follows. <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 <BR>
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* for debuggee's ClassPrepareEvent with SUSPEND_EVENT_THREAD, <BR>
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* resumes the VM, and waits for the event within the predefined<BR>
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* time interval. 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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* the debugger resumes the debuggee and waits for the BreakpointEvent.<BR>
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* The debuggee prepares new check and invokes the methodForCommunication<BR>
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* to be suspended and to inform the debugger with the event. <BR>
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* Upon getting the BreakpointEvent, the debugger performs the check. <BR>
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* At the end, 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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* The check includes two steps. <BR>
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* In first one, second thread waits for any incoming event from the <BR>
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* debugger which is sleeping for "WAITTIME*90 seconds"; hence, <BR>
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* no events are expected to be received at the debugger end. <BR>
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* In second, second thread is interrupted, and the debugger waits for <BR>
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* a breakpoint event after the debuggee finishes sleeping. <BR>
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*/
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public class remove004 {
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//----------------------------------------------------- templete section
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static final int PASSED = 0;
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static final int FAILED = 2;
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static final int PASS_BASE = 95;
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//----------------------------------------------------- templete parameters
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static final String
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sHeader1 = "\n==> nsk/jdi/EventQueue/remove/remove004 ",
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sHeader2 = "--> debugger: ",
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sHeader3 = "##> debugger: ";
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//----------------------------------------------------- main method
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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 remove004().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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//-------------------------------------------------- log procedures
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private static Log logHandler;
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private static void log1(String message) {
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logHandler.display(sHeader1 + message);
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}
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private static void log2(String message) {
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logHandler.display(sHeader2 + message);
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}
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private static void log3(String message) {
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logHandler.complain(sHeader3 + message);
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}
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// ************************************************ test parameters
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private String debuggeeName =
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"nsk.jdi.EventQueue.remove.remove004a";
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//====================================================== test program
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//------------------------------------------------------ common section
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static Debugee debuggee;
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static ArgumentHandler argsHandler;
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static int waitTime;
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static VirtualMachine vm = null;
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static EventRequestManager eventRManager = null;
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static EventQueue eventQueue = null;
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static EventSet eventSet = null;
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static EventIterator eventIterator = null;
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static ReferenceType debuggeeClass = null;
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static int testExitCode = PASSED;
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class JDITestRuntimeException extends RuntimeException {
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JDITestRuntimeException(String str) {
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super("JDITestRuntimeException : " + str);
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}
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}
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//------------------------------------------------------ methods
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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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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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try {
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bpRequest = settingBreakpoint(threadByName("main"),
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debuggeeClass,
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bPointMethod, lineForComm, "zero");
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} catch ( Exception e ) {
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throw e;
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}
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bpRequest.enable();
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//------------------------------------------------------ testing section
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log1(" TESTING BEGINS");
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for (int i = 0; ; i++) {
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vm.resume();
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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(" new check: # " + i);
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ variable part
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vm.resume();
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Threadremove004 thread2 = new Threadremove004("thread2");
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log2(" thread2 is created");
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synchronized (lockingObject) {
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synchronized (waitnotifyObj) {
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log2(" before: thread2.start()");
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thread2.start();
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try {
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log2(" before: waitnotifyObj.wait();");
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waitnotifyObj.wait();
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} catch ( Exception e) {
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log3("ERROR: Exception : " + e );
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testExitCode = FAILED;
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throw new JDITestRuntimeException("** Exception while waiting: notify() **");
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}
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}
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}
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log2("mainThread is out of: synchronized (lockingObject)");
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Object waitObj = new Object();
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synchronized (waitObj) {
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waitObj.wait(waitTime);
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if (!thread2.isAlive()) {
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log3("ERROR: thread2 is not alive");
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testExitCode = FAILED;
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break;
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}
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thread2.interrupt();
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for (int i2 = 0; i2 < waitTime; ) {
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waitObj.wait(10000);
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if (!thread2.isAlive()) {
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break;
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}
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i2 += 10000;
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}
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if (thread2.isAlive()) {
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log3("ERROR: thread2 is still alive");
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testExitCode = FAILED;
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break;
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}
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}
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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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private ThreadReference threadByName(String name)
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throws JDITestRuntimeException {
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List all = vm.allThreads();
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ListIterator li = all.listIterator();
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for (; li.hasNext(); ) {
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ThreadReference thread = (ThreadReference) li.next();
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if (thread.name().equals(name))
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return thread;
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}
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throw new JDITestRuntimeException("** Thread IS NOT found ** : " + name);
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}
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/*
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* private BreakpointRequest settingBreakpoint(ThreadReference, ReferenceType,
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* String, String, String)
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*
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* It sets up a breakpoint at given line number within a given method in a given class
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* for a given thread.
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*
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* Return value: BreakpointRequest object in case of success
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*
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* JDITestRuntimeException in case of an Exception thrown within the method
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*/
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private BreakpointRequest settingBreakpoint ( ThreadReference thread,
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ReferenceType testedClass,
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String methodName,
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String bpLine,
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String property)
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throws JDITestRuntimeException {
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log2("......setting up a breakpoint:");
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log2(" thread: " + thread + "; class: " + testedClass +
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"; method: " + methodName + "; line: " + bpLine);
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List alllineLocations = null;
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Location lineLocation = null;
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BreakpointRequest breakpRequest = null;
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try {
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Method method = (Method) testedClass.methodsByName(methodName).get(0);
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alllineLocations = method.allLineLocations();
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int n =
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( (IntegerValue) testedClass.getValue(testedClass.fieldByName(bpLine) ) ).value();
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if (n > alllineLocations.size()) {
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log3("ERROR: TEST_ERROR_IN_settingBreakpoint(): number is out of bound of method's lines");
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} else {
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lineLocation = (Location) alllineLocations.get(n);
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try {
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breakpRequest = eventRManager.createBreakpointRequest(lineLocation);
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breakpRequest.putProperty("number", property);
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breakpRequest.addThreadFilter(thread);
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breakpRequest.setSuspendPolicy( EventRequest.SUSPEND_EVENT_THREAD);
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} catch ( Exception e1 ) {
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log3("ERROR: inner Exception within settingBreakpoint() : " + e1);
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breakpRequest = null;
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}
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}
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} catch ( Exception e2 ) {
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log3("ERROR: ATTENTION: outer Exception within settingBreakpoint() : " + e2);
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breakpRequest = null;
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}
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if (breakpRequest == null) {
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log2(" A BREAKPOINT HAS NOT BEEN SET UP");
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throw new JDITestRuntimeException("**FAILURE to set up a breakpoint**");
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}
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log2(" a breakpoint has been set up");
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return breakpRequest;
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}
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private void getEventSet()
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throws JDITestRuntimeException {
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try {
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// log2(" eventSet = eventQueue.remove(waitTime);");
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eventSet = eventQueue.remove(waitTime);
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if (eventSet == null) {
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throw new JDITestRuntimeException("** TIMEOUT while waiting for event **");
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}
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// log2(" eventIterator = eventSet.eventIterator;");
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eventIterator = eventSet.eventIterator();
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} catch ( Exception e ) {
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throw new JDITestRuntimeException("** EXCEPTION while waiting for event ** : " + e);
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}
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}
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private void breakpointForCommunication()
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throws JDITestRuntimeException {
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log2("breakpointForCommunication");
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getEventSet();
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if (eventIterator.nextEvent() instanceof BreakpointEvent)
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return;
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throw new JDITestRuntimeException("** event IS NOT a breakpoint **");
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}
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// ============================== test's additional methods
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public static Object waitnotifyObj = new Object();
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public static Object lockingObject = new Object();
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class Threadremove004 extends Thread {
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public Threadremove004(String threadName) {
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super(threadName);
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}
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public void run() {
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log2("-----t2: method 'run' enter");
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synchronized (waitnotifyObj) {
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log2("-----t2: entered into block: synchronized (waitnotifyObj)");
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waitnotifyObj.notify();
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}
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log2("-----t2: exited from block: synchronized (waitnotifyObj)");
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synchronized (lockingObject) {
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log2("-----t2: entered into block: synchronized (lockingObject)");
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}
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log2("-----t2: exited from block: synchronized (lockingObject)");
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try {
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log2("-----t2: eventSet = eventQueue.remove(); expects: InterruptedException");
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eventSet = eventQueue.remove();
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throw new JDITestRuntimeException("** return from eventQueue.remove(); **");
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} catch ( InterruptedException e1) {
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log2("-----t2: InterruptedException");
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} catch ( Exception e ) {
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log3("ERROR: -----t2: Exception : " + e);
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testExitCode = FAILED;
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}
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log2("-----t2: method 'run' exit");
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return;
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}
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}
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}
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