package jmri.jmrix.dccpp;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;

/**
 * DCCppPortControllerScaffold.java
 *
 * test implementation of DCCppPortController
 *
 * @author Bob Jacobsen Copyright (C) 2006
 * @author Mark Underwood Copyright (C) 2015
 */
class DCCppPortControllerScaffold extends DCCppSimulatorPortController {

    protected DCCppPortControllerScaffold() {
        assertDoesNotThrow( () -> {
            PipedInputStream tempPipe;
            tempPipe = new PipedInputStream();
            tostream = new DataInputStream(tempPipe);
            ostream = new DataOutputStream(new PipedOutputStream(tempPipe));
            tempPipe = new PipedInputStream();
            istream = new DataInputStream(tempPipe);
            tistream = new DataOutputStream(new PipedOutputStream(tempPipe));
        });
    }

    @Override
    public java.util.Vector<String> getPortNames() {
        return null;
    }

    @Override
    public String openPort(String portName, String appName) {
        return null;
    }

    @Override
    public void configure() {
    }

    @Override
    public String[] validBaudRates() {
        return new String[] {};
    }

    /**
     * Returns the InputStream from the port.
     */
    @Override
    public DataInputStream getInputStream() {
        return istream;
    }

    /**
     * Returns the outputStream to the port.
     */
    @Override
    public DataOutputStream getOutputStream() {
        return ostream;
    }

    /**
     * Check that this object is ready to operate.
     */
    @Override
    public boolean status() {
        return true;
    }

    @Override
    public boolean okToSend() {
        return true;
    }

    @Override
    public void setOutputBufferEmpty(boolean s) {
    }

    /**
     * Traffic controller writes to this.
     */
    DataOutputStream ostream;
    /**
     * Can read test data from this.
     */
    DataInputStream tostream;

    /**
     * Tests write to this.
     */
    DataOutputStream tistream;
    /**
     * The traffic controller can read test data from this.
     */
    DataInputStream istream;

}