package mockit;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.io.Serializable;
import static org.testng.Assert.assertNull;

class Parent<T extends Serializable> {
  private T id;
  public T getId() { return id; }
}
class Foo extends Parent<Long> {}
class Bar extends Parent<Long> {}
interface FooService { Foo getFoo(); }
interface BarService { Bar getBar(); }

public class CascadingTest {
  @Mocked FooService fooService;
  @Mocked BarService barService;

  @BeforeMethod void beforeMethod() {
    new NonStrictExpectations() {{
      barService.getBar();
    }};
  }

  @Test public void a() {
    assertNull(new Foo().getId());
  }

  @Test public void b() {
    new NonStrictExpectations() {{
      fooService.getFoo();
    }};
    assertNull(new Foo().getId());
  }

  @Test public void c() {
    assertNull(new Foo().getId());
  }
}