308 lines
11 KiB
Java
308 lines
11 KiB
Java
/*
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* Copyright (c) 2002, 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.Scenarios.invokeMethod;
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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 jdk.test.lib.Utils;
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import com.sun.jdi.*;
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import com.sun.jdi.request.*;
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import com.sun.jdi.event.*;
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import java.util.*;
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import java.io.*;
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/**
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* This test based on a scenario which consists of the following steps:
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* 1. Invoking debugee's static method by <code>ClassType.invokeMethod()</code>.<br>
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* 2. Redefinition of this method. <br>
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* 3. Invoking the one again. <br>
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*
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* The test checks a value of static field to be equal to new value.
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* When the field has unexpected value, the test fails.
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*/
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public class redefineclasses001 {
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public final static String UNEXPECTED_STRING = "***Unexpected exception ";
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private final static String prefix = "nsk.jdi.Scenarios.invokeMethod.";
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private final static String debuggerName = prefix + "redefineclasses001";
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public final static String debugeeName = debuggerName + "a";
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public final static String testedClassName = debuggerName + "b";
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private final static String classFileName = "redefineclasses001b.class";
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private static int exitStatus;
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private static Log log;
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private static Debugee debugee;
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private static long waitTime;
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private static String classDir;
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public final static int expectedEventCount = redefineclasses001a.brkpLineNumber.length;
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private int eventCount = 0;
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private ReferenceType debugeeClass;
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private static void display(String msg) {
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log.display(msg);
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}
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private static void complain(String msg) {
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log.complain(msg + "\n");
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}
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public static void main(String argv[]) {
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System.exit(Consts.JCK_STATUS_BASE + run(argv, System.out));
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}
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public static int run(String argv[], PrintStream out) {
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exitStatus = Consts.TEST_PASSED;
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redefineclasses001 thisTest = new redefineclasses001();
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ArgumentHandler argHandler = new ArgumentHandler(argv);
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log = new Log(out, argHandler);
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classDir = argv[0];
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waitTime = argHandler.getWaitTime() * 60000;
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Binder binder = new Binder(argHandler, log);
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debugee = binder.bindToDebugee(debugeeName);
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debugee.redirectOutput(log);
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try {
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thisTest.execTest();
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} catch (Throwable e) {
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exitStatus = Consts.TEST_FAILED;
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e.printStackTrace();
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} finally {
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debugee.endDebugee();
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}
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display("Test finished. exitStatus = " + exitStatus);
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return exitStatus;
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}
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private void execTest() throws Failure {
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if (!debugee.VM().canRedefineClasses()) {
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display("\n>>>canRedefineClasses() is false<<< test canceled.\n");
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return;
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}
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display("\nTEST BEGINS");
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display("===========");
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EventSet eventSet = null;
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EventIterator eventIterator = null;
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Event event;
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long totalTime = waitTime;
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long tmp, begin = System.currentTimeMillis(),
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delta = 0;
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boolean exit = false;
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EventRequestManager evm = debugee.getEventRequestManager();
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ClassPrepareRequest req = evm.createClassPrepareRequest();
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req.addClassFilter(debugeeName);
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req.enable();
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debugee.resume();
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while (totalTime > 0 && !exit) {
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if (eventIterator == null || !eventIterator.hasNext()) {
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try {
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eventSet = debugee.VM().eventQueue().remove(totalTime);
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} catch (InterruptedException e) {
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new Failure(e);
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}
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if (eventSet != null) {
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eventIterator = eventSet.eventIterator();
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} else {
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eventIterator = null;
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}
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}
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if (eventIterator != null) {
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while (eventIterator.hasNext()) {
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event = eventIterator.nextEvent();
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// display("\nevent ===>>> " + event);
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if (event instanceof ClassPrepareEvent) {
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display("\nevent ===>>> " + event);
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prepareTestCases();
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debugee.resume();
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} else if (event instanceof BreakpointEvent) {
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display("\nevent ===>>> " + event);
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event.request().disable();
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display("\n\n==================");
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display(eventCount + "-case");
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performCase(eventCount, ((BreakpointEvent )event).thread());
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eventCount++;
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if (eventCount < expectedEventCount) prepareTestCases();
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debugee.resume();
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} else if (event instanceof VMDeathEvent) {
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exit = true;
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break;
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} else if (event instanceof VMDisconnectEvent) {
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exit = true;
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break;
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} // if
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} // while
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} // if
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tmp = System.currentTimeMillis();
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delta = tmp - begin;
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totalTime -= delta;
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begin = tmp;
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}
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if (totalTime <= 0) {
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complain("out of wait time...");
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exitStatus = Consts.TEST_FAILED;
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}
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if (eventCount != expectedEventCount) {
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complain("expecting " + expectedEventCount
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+ " events, but "
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+ eventCount + " events arrived.");
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exitStatus = Consts.TEST_FAILED;
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}
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display("=============");
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display("TEST FINISHES\n");
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}
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private void performCase(int num, ThreadReference thread) {
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ClassType testedClass = (ClassType )debugee.classByName(testedClassName);
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invokeMethod(testedClass, redefineclasses001b.methodName,
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thread);
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checkFieldVal(testedClass, redefineclasses001b.flagName,
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redefineclasses001b.BEFORE_REDEFINITION);
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display("\nredefining...");
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String newClassFile = classDir + File.separator
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+ "newclass" + File.separator
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+ prefix.replace('.',File.separatorChar)
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+ classFileName;
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redefineDebugee(testedClass, newClassFile);
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invokeMethod(testedClass, redefineclasses001b.methodName,
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thread);
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checkFieldVal(testedClass, redefineclasses001b.flagName,
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redefineclasses001b.AFTER_REDEFINITION);
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display("\nreturning the previous state...");
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redefineDebugee(testedClass,
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ClassFileFinder.findClassFile(testedClassName, Utils.TEST_CLASS_PATH)
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.toString());
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}
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private void redefineDebugee(ReferenceType refType, String classFileName) {
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Map<? extends com.sun.jdi.ReferenceType,byte[]> mapBytes;
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boolean alreadyComplained = false;
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mapBytes = mapClassToBytes(refType, classFileName);
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try {
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debugee.VM().redefineClasses(mapBytes);
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} catch (Exception e) {
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throw new Failure(UNEXPECTED_STRING + e);
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}
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}
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private Map<? extends com.sun.jdi.ReferenceType,byte[]> mapClassToBytes(ReferenceType refType, String fileName) {
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display("class-file\t:" + fileName);
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File fileToBeRedefined = new File(fileName);
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int fileToRedefineLength = (int )fileToBeRedefined.length();
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byte[] arrayToRedefine = new byte[fileToRedefineLength];
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FileInputStream inputFile;
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try {
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inputFile = new FileInputStream(fileToBeRedefined);
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} catch (FileNotFoundException e) {
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throw new Failure(UNEXPECTED_STRING + e);
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}
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try {
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inputFile.read(arrayToRedefine);
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inputFile.close();
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} catch (IOException e) {
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throw new Failure(UNEXPECTED_STRING + e);
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}
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HashMap<ReferenceType,byte[]> mapForClass = new HashMap<com.sun.jdi.ReferenceType,byte[]>();
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mapForClass.put(refType, arrayToRedefine);
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return mapForClass;
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}
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private void prepareTestCases() {
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debugeeClass = debugee.classByName(debugeeName);
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display("\npreparing the next testcase...");
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display("debugeeClass\t\t:" + debugeeClass.name());
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display("line number:\t" + redefineclasses001a.brkpLineNumber[eventCount]);
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display("setting breakpoint...");
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debugee.setBreakpoint(debugeeClass,
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redefineclasses001a.brkpMethodName,
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redefineclasses001a.brkpLineNumber[eventCount]);
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}
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private void invokeMethod(ClassType clsType, String methodName,
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ThreadReference thread) {
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Method mthd = debugee.methodByName(clsType, methodName);
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display("\ninvoking method\t:\"" + mthd.name() + "\"");
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display("-------------------------------");
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Vector<Value> args = new Vector<Value>();
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args.add(debugee.VM().mirrorOf(false));
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try {
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clsType.invokeMethod(thread, mthd, args, 0);
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} catch (InvalidTypeException e) {
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throw new Failure(UNEXPECTED_STRING + e);
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} catch (ClassNotLoadedException e) {
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throw new Failure(UNEXPECTED_STRING + e);
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} catch (IncompatibleThreadStateException e) {
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throw new Failure(UNEXPECTED_STRING + e);
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} catch (InvocationException e) {
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throw new Failure(UNEXPECTED_STRING + e);
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}
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}
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private boolean checkFieldVal(ReferenceType refType, String fieldName,
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int expectedValue) {
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display("checking flag's value");
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Field fld = refType.fieldByName(fieldName);
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PrimitiveValue val = (PrimitiveValue )refType.getValue(fld);
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if (val.intValue() == expectedValue) {
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display("The field has expected value:\t"
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+ redefineclasses001b.flag2String(expectedValue));
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return true;
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} else {
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complain("The field has value:\t"
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+ redefineclasses001b.flag2String(val.intValue()));
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complain("but it is expected:\t"
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+ redefineclasses001b.flag2String(expectedValue));
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exitStatus = Consts.TEST_FAILED;
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return false;
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}
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}
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}
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