ProtocolTest.java

package com.licel.jcardsim.base;

import com.licel.jcardsim.samples.DualInterfaceApplet;
import com.licel.jcardsim.utils.AIDUtil;
import com.licel.jcardsim.utils.ByteUtil;
import javacard.framework.AID;
import javacard.framework.APDU;
import javacard.framework.ISO7816;
import junit.framework.TestCase;

public class ProtocolTest extends TestCase {
    private static final byte CLA = (byte) 0x80;
    private static final byte INS_READ = 0;
    private static final byte INS_WRITE = 2;
    private static final byte INS_INFO = 4;

    private final AID aid = AIDUtil.create("D0000CAFE00001");

    public ProtocolTest(String name) {
        super(name);
    }

    public void testDualInterfaceApplet() {
        final String expectedOutput = "CAFE9000";
        byte[] response;

        Simulator simulator = new Simulator();
        simulator.installApplet(aid, DualInterfaceApplet.class);
        simulator.selectApplet(aid);

        // check interface is T=0 (contacted)
        response = simulator.transmitCommand(new byte[]{CLA, INS_INFO, 0, 0});
        assertEquals(APDU.PROTOCOL_T0, response[0]);
        assertEquals(ISO7816.SW_NO_ERROR, ByteUtil.getSW(response));

        // store data
        response = simulator.transmitCommand(new byte[]{CLA,INS_WRITE,0,0,2, (byte) 0xCA, (byte) 0xFE});
        assertEquals(ISO7816.SW_NO_ERROR, ByteUtil.getSW(response));

        // read data
        response = simulator.transmitCommand(new byte[]{CLA, INS_READ, 0, 0});
        assertEquals(expectedOutput, ByteUtil.hexString(response));

        // change protocol
        simulator.changeProtocol("T=CL");
        response = simulator.transmitCommand(new byte[]{CLA, INS_INFO, 0, 0});
        assertEquals(APDU.PROTOCOL_MEDIA_CONTACTLESS_TYPE_A, response[0]);
        assertEquals(ISO7816.SW_NO_ERROR, ByteUtil.getSW(response));

        // read data
        response = simulator.transmitCommand(new byte[]{CLA, INS_READ, 0, 0});
        assertEquals(expectedOutput, ByteUtil.hexString(response));

        // store data should fail
        response = simulator.transmitCommand(new byte[]{CLA,INS_WRITE,0,0,2, (byte) 0xBA, (byte) 0xD0});
        assertEquals(ISO7816.SW_CONDITIONS_NOT_SATISFIED, ByteUtil.getSW(response));
    }
}