test/hotspot/jtreg/vmTestbase/nsk/jdi/ClassType/subclasses/subclasses002.java

/*
 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package nsk.jdi.ClassType.subclasses;

import nsk.share.*;
import nsk.share.jpda.*;
import nsk.share.jdi.*;

import com.sun.jdi.*;

import java.io.*;
import java.util.*;

/**
 * The debugger application of the test.
 */
public class subclasses002 {

    //------------------------------------------------------- immutable common fields

    final static String SIGNAL_READY = "ready";
    final static String SIGNAL_GO    = "go";
    final static String SIGNAL_QUIT  = "quit";

    private static int waitTime;
    private static int exitStatus;
    private static ArgumentHandler     argHandler;
    private static Log                 log;
    private static Debugee             debuggee;
    private static ReferenceType       debuggeeClass;

    //------------------------------------------------------- mutable common fields

    private final static String prefix = "nsk.jdi.ClassType.subclasses.";
    private final static String className = "subclasses002";
    private final static String debuggerName = prefix + className;
    private final static String debuggeeName = debuggerName + "a";

    //------------------------------------------------------- test specific fields

    private final static String[] testedFieldNames = {"f1", "f2"};

    //------------------------------------------------------- immutable common methods

    public static void main(String argv[]) {
        System.exit(Consts.JCK_STATUS_BASE + run(argv, System.out));
    }

    private static void display(String msg) {
        log.display("debugger > " + msg);
    }

    private static void complain(String msg) {
        log.complain("debugger FAILURE > " + msg);
    }

    public static int run(String argv[], PrintStream out) {

        exitStatus = Consts.TEST_PASSED;

        argHandler = new ArgumentHandler(argv);
        log = new Log(out, argHandler);
        waitTime = argHandler.getWaitTime() * 60000;

        debuggee = Debugee.prepareDebugee(argHandler, log, debuggeeName);

        debuggeeClass = debuggee.classByName(debuggeeName);
        if ( debuggeeClass == null ) {
            complain("Class '" + debuggeeName + "' not found.");
            exitStatus = Consts.TEST_FAILED;
        }

        execTest();

        debuggee.quit();

        return exitStatus;
    }

    //------------------------------------------------------ mutable common method

    private static void execTest() {
        for (int i=0; i < testedFieldNames.length; i++) {
            check(testedFieldNames[i]);
            display("");
        }
        display("Checking completed!");
    }

    //--------------------------------------------------------- test specific methods

    private static void check (String fieldName) {
        try {
            ClassType checkedClass = (ClassType)debuggeeClass.fieldByName(fieldName).type();
            String className = checkedClass.name();
            List<ClassType> subclasses = checkedClass.subclasses();
            if (subclasses.size() != 2) {
                complain("Size of the list returned by ClassType.subclasses() for " + className + " is not equal 2");
                exitStatus = Consts.TEST_FAILED;
            }
            Iterator<ClassType> it = checkedClass.subclasses().iterator();
            while (it.hasNext()) {
                String subclName = it.next().name();
                if (subclName.indexOf(className) >= 0) {
                    display(className + " has expected subclass " + subclName);
                } else {
                    complain(className + " has unexpected subclass " + subclName);
                    exitStatus = Consts.TEST_FAILED;
                }
            }
        } catch (Exception e) {
            complain("Unexpected exception while checking of " + className + ": " + e);
            e.printStackTrace(System.out);
            exitStatus = Consts.TEST_FAILED;
        }
    }
}
//--------------------------------------------------------- test specific classes