385 lines
17 KiB
Java
385 lines
17 KiB
Java
/*
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* Copyright (c) 2001, 2024, 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.MethodEntryEvent.method;
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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.io.*;
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import java.util.List;
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import java.util.Iterator;
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import java.lang.Thread;
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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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// This class is the debugger in the test
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public class method001 {
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// exit status constants
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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 JCK_STATUS_BASE = 95;
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// timeout interval for waiting events in a loop
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static final int TIMEOUT_DELTA = 1000; // milliseconds
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// synchronization commands
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static final String COMMAND_READY = "ready";
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static final String COMMAND_QUIT = "quit";
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static final String COMMAND_GO = "go";
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static final String COMMAND_DONE = "done";
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// class names
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static final String TEST_NAME = "nsk.jdi.MethodEntryEvent.method.method001";
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static final String DEBUGGEE_NAME = TEST_NAME + "a";
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// JDI scaffold objects
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static private Debugee debuggee;
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static private IOPipe pipe;
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static private VirtualMachine vm;
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static private Log log;
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static private ArgumentHandler argHandler;
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static private EventSet eventSet;
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// mirrors for tested debuggee entities
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static private MethodEntryRequest checkedRequest;
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static private ThreadReference checkedThread;
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static private Method checkedMethod;
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static private Field checkedField;
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static private ReferenceType checkedClass;
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static private Field depthField;
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// auxilary breakpoints
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static private BreakpointRequest startingBreakpointRequest;
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static private BreakpointRequest endingBreakpointRequest;
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static private Method runMethod;
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// flags and counters
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static private long eventTimeout;
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static private int depthVal, eventsCounter;
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static private volatile boolean testFailed, eventReceived;
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// start test from command line
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public static void main (String argv[]) {
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int result = run(argv,System.out);
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if (result != 0) {
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throw new RuntimeException("TEST FAILED with result " + result);
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}
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}
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// start test from JCK-compatible environment
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public static int run(final String args[], final PrintStream out) {
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testFailed = false;
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eventReceived = false;
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eventsCounter = 0;
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argHandler = new ArgumentHandler(args);
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log = new Log(out, argHandler);
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eventTimeout = argHandler.getWaitTime() * 60 * 1000; // milliseconds
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// launch debuggee
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Binder binder = new Binder(argHandler, log);
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log.display("Connecting to debuggee");
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debuggee = binder.bindToDebugee(DEBUGGEE_NAME);
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debuggee.redirectStderr(log, "debuggee >");
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pipe = debuggee.createIOPipe();
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// resume debuggee
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log.display("Resuming debuggee");
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debuggee.resume();
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try {
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// wait for debugee started
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log.display("Waiting for command: " + COMMAND_READY);
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String command = pipe.readln();
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if (!command.equals(COMMAND_READY)) {
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throw new Failure("TEST BUG: unknown debuggee's command: " + command);
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}
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// get mirrors for checked class, thread, and method
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vm = debuggee.VM();
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log.display("Getting loaded class in debuggee");
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checkedClass = debuggee.classByName(DEBUGGEE_NAME);
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Iterator threadIterator = vm.allThreads().iterator();
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while (threadIterator.hasNext()) {
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ThreadReference curThread = (ThreadReference) threadIterator.next();
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if (curThread.name().equals("main")) {
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checkedThread = curThread;
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}
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}
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if (checkedThread == null) {
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throw new Failure("TEST BUG: unable to find reference to main thread");
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}
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log.display("Getting reference to method <foo>");
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checkedMethod = debuggee.methodByName(checkedClass, "foo");
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if (checkedMethod == null) {
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throw new Failure("TEST BUG: returned null reference to method <foo>");
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}
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log.display("Getting reference to field <flag>");
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checkedField = checkedClass.fieldByName("flag");
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if (checkedField == null) {
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throw new Failure("TEST BUG: unable to find reference to field <flag>");
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}
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log.display("Getting reference to field <depth>");
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depthField = checkedClass.fieldByName("depth");
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if (depthField == null) {
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throw new Failure("TEST BUG: unable to find reference to field <depth>");
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}
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log.display("Getting value of field <depth>");
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try {
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depthVal = ((IntegerValue)checkedClass.getValue(depthField)).value();
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log.display("depth == " + depthVal);
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} catch (ClassCastException e) {
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throw new Failure("TEST BUG: cannot get value of <depth> field");
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}
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// create event request (initially disabled)
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EventRequestManager eventRManager = vm.eventRequestManager();
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log.display("Creating MethodEntryRequest");
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if ((checkedRequest = eventRManager.createMethodEntryRequest()) == null) {
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throw new Failure("TEST BUG: unable to create MethodEntryRequest");
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}
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checkedRequest.addThreadFilter(checkedThread);
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checkedRequest.addClassFilter(checkedClass);
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checkedRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL);
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switch (checkedRequest.suspendPolicy()) {
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case EventRequest.SUSPEND_ALL:
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log.display(" suspend policy is SUSPEND_ALL");
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break;
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case EventRequest.SUSPEND_EVENT_THREAD:
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log.display(" suspend policy is SUSPEND_EVENT_THREAD");
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break;
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case EventRequest.SUSPEND_NONE:
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log.display(" suspend policy is SUSPEND_NONE");
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break;
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default:
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log.complain("TEST BUG: Unknown suspend policy!");
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}
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log.display("MethodEntryRequest is created");
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// create two auxilary breakpoints
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log.display("Getting reference to method <run>");
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runMethod = debuggee.methodByName(checkedClass, "run");
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if (runMethod == null) {
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throw new Failure("TEST BUG: returned null reference to method <run>");
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}
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log.display("Creating two auxilary breakpoints into method <run>");
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startingBreakpointRequest = debuggee.setBreakpoint(runMethod, method001a.STARTING_BREAKPOINT_LINE);
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endingBreakpointRequest = debuggee.setBreakpoint(runMethod, method001a.ENDING_BREAKPOINT_LINE);
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// define separate thread for handling events
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class EventHandler extends Thread {
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public void run() {
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eventSet = null;
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try {
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while (!eventReceived) {
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eventSet = vm.eventQueue().remove();
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EventIterator eventIterator = eventSet.eventIterator();
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while (eventIterator.hasNext()) {
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Event event = eventIterator.nextEvent();
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// enable or disable checked event request at BreakpointEvent
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if (event instanceof BreakpointEvent) {
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Location eventLocation = ((BreakpointEvent)event).location();
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int lineNumber = eventLocation.lineNumber();
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log.display("BreakpointEvent received for location " + lineNumber);
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if (lineNumber == method001a.STARTING_BREAKPOINT_LINE) {
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log.display("Enabling MethodEntryRequest at breakpoint before invoking method");
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checkedRequest.enable();
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} else if (lineNumber == method001a.ENDING_BREAKPOINT_LINE) {
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log.display("Disabling MethodEntryRequest at breakpoint after invoking method");
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checkedRequest.disable();
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eventReceived = true;
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} else {
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testFailed = true;
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throw new Failure("TEST BUG: Unknown location of breakpoint event: " + lineNumber);
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}
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}
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// handle checked MethodEntryEvent
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if (event instanceof MethodEntryEvent) {
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MethodEntryEvent castedEvent = (MethodEntryEvent) event;
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EventRequest eventRequest = castedEvent.request();
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if (!(checkedRequest.equals(eventRequest))) {
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log.complain("FAILURE 2: eventRequest is not equal to checked request");
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testFailed = true;
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}
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ThreadReference eventThread = castedEvent.thread();
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if (!(checkedThread.equals(eventThread))) {
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log.complain("FAILURE 3: eventThread is not equal to checked thread");
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testFailed = true;
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}
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VirtualMachine eventMachine = castedEvent.virtualMachine();
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if (!(vm.equals(eventMachine))) {
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log.complain("FAILURE 4: eventVirtualMachine is not equal to checked vm");
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testFailed = true;
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}
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Method method1 = castedEvent.method();
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Method method2 = castedEvent.method();
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if (!method1.equals(method2)) {
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log.complain("FAILURE 7: return of MethodEntryEvent.method() is inconsistent");
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testFailed = true;
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}
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if (castedEvent.method().equals(checkedMethod)) {
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eventsCounter++;
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log.display("MethodEntryEvent is received for method " + checkedMethod.name() + ", counter = " + eventsCounter);
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try {
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int flagVal = ((IntegerValue)checkedClass.getValue(checkedField)).value();
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log.display("flag == " + flagVal);
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if ( flagVal > 0) {
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if (!eventThread.isSuspended()) {
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log.complain("FAILURE 5: eventThread is not suspended");
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} else {
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log.complain("FAILURE 6: MethodEntryEvent is generated after code execution");
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}
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testFailed = true;
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}
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} catch (ClassCastException e) {
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log.complain("TEST BUG: cannot get value of <flag> field");
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testFailed = true;
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}
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}
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}
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}
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eventSet.resume();
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}
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} catch (InterruptedException e) {
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log.complain("TEST INCOMPLETE: caught InterruptedException while waiting for event");
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testFailed = true;
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} catch (VMDisconnectedException e) {
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log.complain("TEST INCOMPLETE: caught VMDisconnectedException while waiting for event");
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testFailed = true;
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}
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log.display("eventHandler completed");
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}
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}
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// start event handling thread
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EventHandler eventHandler = new EventHandler();
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log.display("Starting eventHandler");
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eventHandler.start();
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// force debuggee to invoke method
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log.display("Sending command: " + COMMAND_GO);
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pipe.println(COMMAND_GO);
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log.display("");
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// waiting for debuggee comfirms method invoked
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log.display("Waiting for command: " + COMMAND_DONE);
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command = pipe.readln();
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if (!command.equals(COMMAND_DONE)) {
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throw new Failure("TEST BUG: unknown debuggee's command: " + command);
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}
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log.display("");
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// wait for all expected events received or timeout exceeds
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log.display("Waiting for all expected events received");
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try {
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eventHandler.join(eventTimeout);
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if (eventHandler.isAlive()) {
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log.complain("FAILURE 20: Timeout for waiting event was exceeded");
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eventHandler.interrupt();
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testFailed = true;
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}
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} catch (InterruptedException e) {
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log.complain("TEST INCOMPLETE: InterruptedException caught while waiting for eventHandler's death");
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testFailed = true;
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}
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// check whether all expected events received or not
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if (eventsCounter == 0) {
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log.complain("FAILURE 1: No any MethodEntryEvent received");
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testFailed = true;
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} else if (eventsCounter < depthVal) {
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log.complain("FAILURE 1: Some " + (depthVal - eventsCounter) + " MethodEntryEvent NOT received (too few)");
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testFailed = true;
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} else if (eventsCounter > depthVal) {
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log.complain("FAILURE 1: Extra " + (eventsCounter - depthVal) + " MethodEntryEvent received (too many)");
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testFailed = true;
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}
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} catch (Failure e) {
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log.complain("TEST FAILURE: " + e.getMessage());
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testFailed = true;
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} catch (Exception e) {
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log.complain("Unexpected exception: " + e);
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e.printStackTrace(out);
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testFailed = true;
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} finally {
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log.display("");
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// force debuggee to exit
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log.display("Sending command: " + COMMAND_QUIT);
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pipe.println(COMMAND_QUIT);
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// wait for debuggee exits and analyze its exit code
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log.display("Waiting for debuggee terminating");
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int debuggeeStatus = debuggee.endDebugee();
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if (debuggeeStatus == PASSED + JCK_STATUS_BASE) {
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log.display("Debuggee PASSED with exit code: " + debuggeeStatus);
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} else {
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log.complain("Debuggee FAILED with exit code: " + debuggeeStatus);
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testFailed = true;
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}
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}
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// check test results
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if (testFailed) {
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log.complain("TEST FAILED");
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return FAILED;
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}
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log.display("TEST PASSED");
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return PASSED;
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}
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}
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