test/jdk/com/sun/jdi/HomeTest.java

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/**
 * @test
 * @bug 4446294
 * @summary JDI spec/impl: default "home" for CommandLineLaunch isn't java.home
 * @author Tim Bell (based on "HomeTest.java" by Eugene I. Latkin)
 *
 * @run build TestScaffold VMConnection TargetListener TargetAdapter
 * @run compile -g HomeTest.java
 * @run driver HomeTest
 */
import com.sun.jdi.*;
import com.sun.jdi.connect.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;

import java.util.*;

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

class HomeTarg {
    public static void main(String[] args){
        System.out.println("Howdy!");
        System.out.println("Goodbye from HomeTarg!");
    }
}

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

public class HomeTest extends TestScaffold {
    ReferenceType targetClass;
    ThreadReference mainThread;

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

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

    /********** test core **********/
    private static String getValue(Map arguments, String key) {
        Connector.Argument x = (Connector.StringArgument) arguments.get(key);
        return x.value();
    }
    protected void runTests() throws Exception {
        /*
         * Get to the top of main()
         * to determine targetClass and mainThread
         */
        BreakpointEvent bpe = startToMain("HomeTarg");
        targetClass = bpe.location().declaringType();
        mainThread = bpe.thread();
        EventRequestManager erm = vm().eventRequestManager();

        VirtualMachineManager vmm = Bootstrap.virtualMachineManager();
        Connector defaultConnector = vmm.defaultConnector();
        Map arguments = defaultConnector.defaultArguments();
        String argsHome = getValue(arguments,"home");
        String javaHome = System.getProperty("java.home");
        if (!argsHome.equals(javaHome)) {
            failure("FAILURE: Value for \"home\" does not match value for \"java.home\"");
            failure("     home is: " + argsHome);
        }
        println("java.home is: " + javaHome);
        /*
         * 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("HomeTest: passed");
        } else {
            throw new Exception("HomeTest: failed");
        }
    }
}