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

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
 * @test
 * @bug 4245011
 * @summary Test launcher command line construction
 * @author Gordon Hirsch
 *
 * @run build JDIScaffold VMConnection
 * @run compile -g HelloWorld.java
 * @run build LaunchCommandLine
 *
 * @run driver LaunchCommandLine
 */
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;

import java.util.List;

public class LaunchCommandLine extends JDIScaffold {
    public static void main(String args[]) throws Exception {
        new LaunchCommandLine(args).startTests();
    }

    LaunchCommandLine(String args[]) {
        // args are set in code below
        super();
    }

    protected void runTests() throws Exception {
        String[] args = new String[2];
        args[0] = "-connect";
        args[1] = "com.sun.jdi.CommandLineLaunch:main=HelloWorld a b c \"a b c\"";
        testArgs(args);
        System.out.println("com.sun.jdi.CommandLineLaunch: passed");

        // Add test for RawCommandLineLauncher?
    }

    void testArgs(String[] args) throws Exception {
        connect(args);
        waitForVMStart();

        /*
         * Get to a point where the command line args are accessible.
         */
        BreakpointEvent bp = resumeTo("HelloWorld", "main", "([Ljava/lang/String;)V");

        StackFrame frame = bp.thread().frame(0);
        LocalVariable argsVariable = frame.visibleVariableByName("args");
        ArrayReference argsArray = (ArrayReference)frame.getValue(argsVariable);

        List argValues = argsArray.getValues();

        if (argValues.size() != 4) {
            throw new Exception("Wrong number of command line arguments: " + argValues.size());
        }

        String string = ((StringReference)argValues.get(0)).value();
        if (!string.equals("a")) {
            throw new Exception("Bad command line argument value: " + string);
        }
        string = ((StringReference)argValues.get(1)).value();
        if (!string.equals("b")) {
            throw new Exception("Bad command line argument value: " + string);
        }
        string = ((StringReference)argValues.get(2)).value();
        if (!string.equals("c")) {
            throw new Exception("Bad command line argument value: " + string);
        }
        string = ((StringReference)argValues.get(3)).value();
        if (!string.equals("a b c")) {
            throw new Exception("Bad command line argument value: " + string);
        }

        // Allow application to complete
        resumeToVMDeath();
    }

}