[Demonstration 1]

[Buggy Method]
@Test
public void testGetUser() throws SQLException {
    //Test Get User
    String username = "TestGetUser";
    String password = "Test1234";
    String cpr = "TestGS1234";
    String name = "Test Testy Test";
    String institute = "Test That Institute";
    String consultant = "";
    //Create a user to get
    assertTrue(DB.createUser(username, password, cpr, name, institute, consultant));
    User user = DB.getUserByCpr(cpr);
    //Get user
    User sameUser = DB.getUser(user.getId());
    //Assert
    assertEquals(user.getId(), sameUser.getId());
    assertEquals(user.getConsultant(), sameUser.getConsultant());
    assertEquals(user.getCpr(), sameUser.getCpr());
    assertEquals(user.getInstitute(), sameUser.getInstitute());
    assertEquals(user.getName(), sameUser.getName());
    assertEquals(user.getUsername(), sameUser.getUsername());
}

[Buggy Hunk]
public void testGetUser() throws SQLException{

[Patch]
public void testGetUser() throws DatabaseException{

[Demonstration 2]

[Buggy Method]
@Test
public void testSelectEvent() throws SQLException {
    Connection conn = startConnection();
    Main.createEvent(conn, "event", "place", LocalTime.now(), LocalDate.now(), "image", "descrip");
    Event event = Main.selectEvent(conn, 1);
    assertTrue(event != null);
}

[Buggy Hunk]
Main.createEvent(conn, "event", "place", LocalTime.now(), LocalDate.now(), "image", "descrip");

[Patch]
Main.createEvent(conn, "event", "place", LocalTime.now(), LocalDate.now(), "image", "descrip", 1);

[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));