[Demonstration 1]

[Buggy Method]
@Test
public void isApplicationIdentityStoreHanderTrue() {
    final Set<Type> types = new HashSet<Type>();
    types.add(new TypeLiteral<Bean>() {
    }.getType());
    types.add(new TypeLiteral<IdentityStoreHandler>() {
    }.getType());
    context.checking(new Expectations() {

        {
            one(pb).getBean();
            will(returnValue(bn));
            exactly(2).of(bn).getBeanClass();
            will(returnValue(Object.class));
            one(bn).getTypes();
            will(returnValue(types));
        }
    });
    JavaEESecCDIExtension j3ce = new JavaEESecCDIExtension();
    assertTrue("incorrect result.", j3ce.isIdentityStoreHandler(pb));
}

[Buggy Hunk]
exactly(2).of(bn).getBeanClass();

[Patch]
between(1,2).of(bn).getBeanClass();

[Demonstration 2]

[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));

[Demonstration 3]

[Buggy Method]
@Override
@SideOnly(Side.CLIENT)
public void registerIcons(IIconRegister register) {
    List<ItemType> types = ItemType.getTypes();
    icons = new IIcon[types.size()];
    for (int i = 0; i < types.size(); i++) {
        icons[i] = register.registerIcon(CustomThings.MODID.toLowerCase() + ":" + types.get(i).name);
    }
}

[Buggy Hunk]
List<ItemType> types = ItemType.getTypes();

[Patch]
List<ItemType> types = ItemType.types;