[Demonstration 1]

[Buggy Method]
@Test
public void testConstructor1() {
    assertEquals(unit.getName(), "Unit");
    assertTrue(unit.getPosition().equals(new Vector(25, 25, 25)));
    assertEquals(unit.getAgility(), Unit.INITIAL_MIN_AGILITY);
    assertEquals(unit.getStrength(), Unit.INITIAL_MIN_STRENGTH);
    assertEquals(unit.getToughness(), Unit.INITIAL_MIN_TOUGHNESS);
    assertEquals(unit.getWeight(), Unit.INITIAL_MIN_WEIGHT);
    assertEquals(unit.getStamina(), Unit.INITIAL_MIN_STAMINA);
    assertEquals(unit.getHitpoints(), Unit.INITIAL_MIN_HITPOINTS);
}

[Buggy Hunk]
assertTrue(unit.getPosition().equals(new Vector(25,25,25)));

[Patch]
assertTrue(unit.getPosition().equals(new Vector(25.5,25.5,25.5)));

[Demonstration 2]

[Buggy Method]
public void socketIOSetUp() {
    try {
        socket = IO.socket(IP.ip + ":3000");
    } catch (URISyntaxException e) {
        System.out.println("ERROR: " + e);
    }
    socket.on(Socket.EVENT_CONNECT, new Emitter.Listener() {

        @Override
        public void call(Object... args) {
            connected = true;
            System.out.println("CONNECTED");
        }
    });
    socket.on("validation-response", new Emitter.Listener() {

        @Override
        public void call(Object... args) {
            socket.disconnect();
            dataSource.openSession();
            finish();
            Intent code = new Intent(getApplicationContext(), Game.class);
            startActivity(code);
        }
    });
    socket.on("validation-response-no", new Emitter.Listener() {

        @Override
        public void call(Object... args) {
            CharSequence text = args[0].toString();
            Toast toast = Toast.makeText(getApplicationContext(), text, Toast.LENGTH_SHORT);
            toast.show();
        }
    }).on(Socket.EVENT_DISCONNECT, new Emitter.Listener() {

        @Override
        public void call(Object... args) {
            connected = false;
            System.out.println("DISCONNECTED");
        }
    });
    socket.connect();
}

[Buggy Hunk]
socket = IO.socket(IP.ip+":3000");

[Patch]
socket = IO.socket(IP.ip+":"+IP.port);

[Demonstration 3]

[Buggy Method]
public static Result service(String ownerName, String projectName, String service, boolean isAdvertise) throws IOException, UnsupportedOperationException, ServletException {
    if (!isSupportedService(service)) {
        return forbidden(String.format("Unsupported service: '%s'", service));
    }
    Project project = Project.findByOwnerAndProjectName(ownerName, projectName);
    if (project == null) {
        return notFound();
    }
    models.User user = UserApp.currentUser();
    if (!isAllowed(project, service)) {
        if (user.isAnonymous()) {
            return BasicAuthAction.unauthorized(response());
        } else {
            // If you want the Git client showing your custom message to
            // the user, the Content-Type should be exact "text/plain"
            // without any parameter. For more details, see the code at
            // https://github.com/git/git/commit/426e70d4a11ce3b4f70636d57c6a0ab16ae08a00#diff-eea0ad565ec5903a11b6023755d491cfR154
            response().setHeader("Content-Type", "text/plain");
            return forbidden(String.format("'%s' has no permission to '%s/%s'.", user.name, ownerName, projectName));
        }
    }
    if (isAdvertise) {
        return ok(RepositoryService.gitAdvertise(project, service, response()));
    } else {
        if (request().body().isMaxSizeExceeded()) {
            return status(REQUEST_ENTITY_TOO_LARGE);
        } else {
            user.visits(project);
            return ok(RepositoryService.gitRpc(project, service, request(), response()));
        }
    }
}

[Buggy Hunk]
user.name, ownerName, projectName));

[Patch]
user.loginId, ownerName, projectName));