Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: NoLocInfoTest.java Sprache: JAVA

/*
* Copyright (c) 2003, 2015, 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 4642611
* @summary Test that method.allLineLocations() should
*          throw AbsentInformationException exception
* @author Serguei Spitsyn
*
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run compile -g:none NoLocInfoTest.java
* @run driver NoLocInfoTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;

import java.util.*;

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

interface InterfaceNoLocInfoTarg {
    int instanceMeth();
    int instanceMeth1();
}

abstract class AbstractNoLocInfoTarg implements InterfaceNoLocInfoTarg {
    protected int fld;

    // Constructor
    AbstractNoLocInfoTarg() {
        fld = 1000;
    }

    public abstract int instanceMeth();

    public int instanceMeth1() {
        fld = 999;
        fld = instanceMeth();
        return 0;
    }
}

class NoLocInfoTarg extends AbstractNoLocInfoTarg {

    // Class has a default constructor

    public static void main(String[] args){
        System.out.println("A number is: " + new NoLocInfoTarg().instanceMeth());
    }

    public static int staticMeth() {
        int i = 2;
        return i;
    }

    public int instanceMeth() {
        int i = 0;
        i++;
        return i + staticMeth();
    }

    private void voidInstanceMeth() {}
    static native int staticNativeMeth();
    native boolean instanceNativeMeth();
}

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

public class NoLocInfoTest extends TestScaffold {
    final String[] args;

    NoLocInfoTest (String args[]) {
        super(args);
        this.args = args;
    }

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

    /********** test assist **********/

    Method getMethod(String className, String methodName) {
        List refs = vm().classesByName(className);
        if (refs.size() != 1) {
            failure("Failure: " + refs.size() +
                    " ReferenceTypes named: " + className);
            return null;
        }
        ReferenceType refType = (ReferenceType)refs.get(0);
        List meths = refType.methodsByName(methodName);
        if (meths.size() != 1) {
            failure("Failure: " + meths.size() +
                    " methods named: " + methodName);
            return null;
        }
        return (Method)meths.get(0);
    }

    void checkLineNumberTable(String className, String methodName) {
        println("GetLineNumberTable for method: " + className + "." + methodName);
        Method method = getMethod(className, methodName);

        try {
            List locations = method.allLineLocations();
            failure("Failure: com.sun.jdi.AbsentInformationException was expected; " +
                    "LineNumberTable.size() = " + locations.size());
        }
        catch (com.sun.jdi.AbsentInformationException ex) {
            println("Success: com.sun.jdi.AbsentInformationException thrown as expected");
        }
        println("");
    }

    void checkEmptyLineNumberTable(String className, String methodName) {
        println("GetLineNumberTable for abstract/native method: " +
                 className + "." + methodName);
        Method method = getMethod(className, methodName);

        try {
            int size = method.allLineLocations().size();
            if (size == 0) {
               println("Succes: LineNumberTable.size() == " + size + " as expected");
            } else {
               failure("Failure: LineNumberTable.size()==" + size + ", but ZERO was expected");
            }
        }
        catch (com.sun.jdi.AbsentInformationException ex) {
            failure("Failure: com.sun.jdi.AbsentInformationException was not expected; ");
        }
        println("");
    }

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

    protected void runTests() throws Exception {

        /*
         * Get to the top of main() to get everything loaded
         */
        startToMain("NoLocInfoTarg");

        println("\n Abstract Methods:");
        // For abtsract methods allLineLocations() always returns empty List
        checkEmptyLineNumberTable("InterfaceNoLocInfoTarg", "instanceMeth");
        checkEmptyLineNumberTable("InterfaceNoLocInfoTarg", "instanceMeth1");
        checkEmptyLineNumberTable("AbstractNoLocInfoTarg",  "instanceMeth");

        println("\n Native Methods:");
        // For native methods allLineLocations() always returns empty List
        checkEmptyLineNumberTable("NoLocInfoTarg", "staticNativeMeth");
        checkEmptyLineNumberTable("NoLocInfoTarg", "instanceNativeMeth");

        println("\n Non-Abstract Methods of Abstract class:");
        checkLineNumberTable("AbstractNoLocInfoTarg", "");
        checkLineNumberTable("AbstractNoLocInfoTarg", "instanceMeth1");

        println("\n Methods of Non-Abstract class:");
        checkLineNumberTable("NoLocInfoTarg", ""); // default constructor
        checkLineNumberTable("NoLocInfoTarg", "main");
        checkLineNumberTable("NoLocInfoTarg", "instanceMeth");
        checkLineNumberTable("NoLocInfoTarg", "instanceMeth1"); // inherited
        checkLineNumberTable("NoLocInfoTarg", "voidInstanceMeth");

        /*
         * resume until the end
         */
        listenUntilVMDisconnect();

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

¤ Dauer der Verarbeitung: 0.25 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.