Java example source code file (AccessSpecifierTest.java)

This example Java source code file (AccessSpecifierTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

accessspecifierpackageprivateclass, accessspecifierpackageprivateinterface, accessspecifiertarg, accessspecifiertest, double, exception, integer, jdi, long, name, object, referencetype, staticinterface, string, util

The AccessSpecifierTest.java Java example source code

/*
 * Copyright (c) 2001, 2007, 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.
 */

/**
 *  @test
 *  @bug 4359628
 *  @summary Test fix for JDI: methods Accessible.is...() lie about array types
 *
 *  @author Tim Bell
 *
 *  @run build TestScaffold VMConnection TargetListener TargetAdapter
 *  @run compile -g AccessSpecifierTest.java
 *  @run main AccessSpecifierTest
 */
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;

import java.util.*;

    /********** target program **********/


/** Sample package-private interface. */
interface AccessSpecifierPackagePrivateInterface {}

/** Sample package-private class. */
class AccessSpecifierPackagePrivateClass {}

/** Sample package-private class. */
class AccessSpecifierPackagePrivateClassTwo implements
    AccessSpecifierPackagePrivateInterface {}

class AccessSpecifierTarg {
    private boolean z0;
    boolean z1[]={z0}, z2[][]={z1};

    public byte b0;
    byte b1[]={b0}, b2[][]={b1};

    protected short s0;
    short s1[]={s0}, s2[][]={s1};

    int i0;
    int i1[]={i0}, i2[][]={i1};

    private long l0;
    long l1[]={l0}, l2[][]={l1};

    public char c0;
    char c1[]={c0}, c2[][]={c1};

    protected float f0;
    float f1[]={f0}, f2[][]={f1};

    double d0;
    double d1[]={d0}, d2[][]={d1};

    Boolean   Z0 = Boolean.TRUE;
    Boolean   Z1[]={Z0}, Z2[][]={Z1};
    Byte      B0 = new Byte ((byte)0x1f);
    Byte      B1[]={B0}, B2[][]={B1};
    Character C0 = new Character ('a');
    Character C1[]={C0}, C2[][]={C1};
    Double    D0 = new Double (1.0d);
    Double    D1[]={D0}, D2[][]={D1};
    Float     F0 = new Float (2.0f);
    Float     F1[]={F0}, F2[][]={F1};
    Integer   I0 = new Integer (8675309);
    Integer   I1[]={I0}, I2[][]={I1};
    Long      L0 = new Long (973230999L);
    Long      L1[]={L0}, L2[][]={L1};
    String    S0 = "A String";
    String    S1[]={S0}, S2[][]={S1};
    Object    O0 = new Object();
    Object    O1[]={O0}, O2[][]={O1};

    private   static class  U {}
    protected static class  V {}
    public    static class  W {}
    static class  P {} // package private

    U u0=new U(), u1[]={u0}, u2[][]={u1};
    V v0=new V(), v1[]={v0}, v2[][]={v1};
    W w0=new W(), w1[]={w0}, w2[][]={w1};
    P p0=new P(), p1[]={p0}, p2[][]={p1};

    private static interface StaticInterface {}
    private static class ClassUsingStaticInterface
        implements StaticInterface {}

    StaticInterface staticInterface_0 = new ClassUsingStaticInterface();
    StaticInterface staticInterface_1[]={staticInterface_0};
    StaticInterface staticInterface_2[][]={staticInterface_1};

    AccessSpecifierTarg a0, a1[]={a0}, a2[][]={a1};

    AccessSpecifierPackagePrivateClass ppc0=new AccessSpecifierPackagePrivateClass();
    AccessSpecifierPackagePrivateClass ppc1[]={ppc0};
    AccessSpecifierPackagePrivateClass ppc2[][]={ppc1};

    AccessSpecifierPackagePrivateInterface ppi0 =
        new AccessSpecifierPackagePrivateClassTwo ();
    AccessSpecifierPackagePrivateInterface ppi1[]={ppi0};
    AccessSpecifierPackagePrivateInterface ppi2[][]={ppi1};

    public AccessSpecifierTarg() {
        super();
    }

    public void ready(){
        System.out.println("Ready!");
    }

    public static void main(String[] args){
        System.out.println("Howdy!");
        AccessSpecifierTarg my = new AccessSpecifierTarg();
        my.ready();
        System.out.println("Goodbye from AccessSpecifierTarg!");
    }
}

    /********** test program **********/

public class AccessSpecifierTest extends TestScaffold {

    private final static String debugeeName = "AccessSpecifierTarg";

    /** Known Accessible Information about the Debugee. */
    private static final int NAME = 0;
    private static final int ACCESS = 1;
    private final static String primitives[][] = {
        {"z", "private", "public", "public"},
        {"b", "public", "public", "public"},
        {"s", "protected", "public", "public"},
        {"i", "package private", "public", "public"},
        {"l", "private", "public", "public"},
        {"c", "public", "public", "public"},
        {"f", "protected", "public", "public"},
        {"d", "package private", "public", "public"},
    };
    private final static String references[][] = {
        {"java.lang.Boolean"  , "public"},
        {"java.lang.Character", "public"},
        {"java.lang.Class"    , "public"},
        {"java.lang.Double"   , "public"},
        {"java.lang.Float"    , "public"},
        {"java.lang.Integer"  , "public"},
        {"java.lang.Long"     , "public"},
        {"java.lang.String"   , "public"},
        {"java.lang.Object"   , "public"},

        {"AccessSpecifierTarg", "package private"},
        {"AccessSpecifierPackagePrivateClass", "package private"},
        {"AccessSpecifierPackagePrivateInterface", "package private"},

        {"AccessSpecifierTarg$StaticInterface", "private"},

        {"AccessSpecifierTarg$U", "private"},
        {"AccessSpecifierTarg$V", "protected"},
        {"AccessSpecifierTarg$W", "public"},
        {"AccessSpecifierTarg$P", "package private"}
    };

    AccessSpecifierTest (String args[]) {
        super(args);
    }

    public static void main(String[] args)      throws Exception {
        new AccessSpecifierTest (args).startTests();
    }

    /********** test core **********/

    private void testAccessible (String name, Accessible a,
                                 boolean isPublic, boolean isProtected,
                                 boolean isPrivate, boolean isPackagePrivate) {
        System.out.println ("  Testing: " + name + " modifiers = " +
                            Integer.toBinaryString(a.modifiers()));
        if (a.isPublic() != isPublic) {
            failure("**Name = " + name + " expecting: " + isPublic +
                    " isPublic() was: " + a.isPublic());
        }
        if (a.isPrivate() != isPrivate) {
            failure("**Name = " + name + " expecting: " + isPrivate +
                    " isPrivate() was: " + a.isPrivate());
        }
        if (a.isProtected() != isProtected) {
            failure("**Name = " + name + " expecting: " + isProtected +
                    " isProtected() is: " + a.isProtected());
        }
        if (a.isPackagePrivate() != isPackagePrivate) {
            failure("**Name = " + name + " expecting: " + isPackagePrivate +
                    " isPackagePrivate() is: " + a.isPackagePrivate());
        }
    }

    protected void runTests() throws Exception {
        /*
         * Get to the top of ready()
         */
        startTo(debugeeName, "ready", "()V");

        ReferenceType rt = findReferenceType(debugeeName);
        if (rt == null) {
            throw new Exception ("ReferenceType not found for: " + debugeeName);
        }
        for (int i = 0; i < primitives.length; i++) {
            for (int j = 0; j < 3; j++) {
                String suffix = Integer.toString(j);
                String fieldName = primitives[i][NAME] + suffix;
                Field field = rt.fieldByName(fieldName);
                if (field == null) {
                    throw new Exception ("Field not found for: " + fieldName);
                }

                Type t = field.type();
                if (t instanceof ReferenceType) {
                    ReferenceType reft = (ReferenceType)t;
                    if (primitives[i][ACCESS + j].equals("public")) {
                        testAccessible(reft.name(), reft,
                                       true, false, false, false);
                    } else if (primitives[i][ACCESS + j].equals("protected")) {
                        testAccessible(reft.name(), reft,
                                       false, true, false, false);
                    } else if (primitives[i][ACCESS + j].equals("private")) {
                        testAccessible(reft.name(), reft,
                                       false, false, true, false);
                    } else if (primitives[i][ACCESS + j].equals("package private")) {
                        testAccessible(reft.name(), reft,
                                       false, false, false, true);
                    }
                } else {
                    System.out.println ("  Skipping " + t +
                                        " (primitive scalar type)");
                }
            }
        }

        String brackets[] = {"[][]", "[]", ""};

        for (int i = 0; i < references.length; i++) {
            for (int j = 0; j < 3; j++) {
                String suffix = brackets[j];
                String referenceName = references[i][NAME] + suffix;
                ReferenceType refType = findReferenceType(referenceName);
                if (refType == null) {
                    System.out.println ("Skipping " + referenceName +
                                        " (not found)");
                } else {
                    if (references[i][ACCESS].equals("public")) {
                        testAccessible(refType.name(), refType, true, false, false, false);
                    } else if  (references[i][ACCESS].equals("protected")) {
                        testAccessible(refType.name(), refType, false, true, false, false);
                    } else if  (references[i][ACCESS].equals("private")) {
                        testAccessible(refType.name(), refType, false, false, true, false);
                    } else if  (references[i][ACCESS].equals("package private")) {
                        testAccessible(refType.name(), refType, false, false, false, true);
                    }
                }
            }
        }

        /*
         * resume the target listening for events
         */
        listenUntilVMDisconnect();

        /*
         * deal with results of test
         * if anything has called failure("foo") testFailed will be true
         */
        if (!testFailed) {
            println("AccessSpecifierTest: passed");
        } else {
            throw new Exception("AccessSpecifierTest: failed");
        }
    }
}