Class<?> sepFwrC = sepLoader.loadClass(MyFinalizableWeakReference.class.getName());
    Constructor<?> sepFwrCons = sepFwrC.getConstructor(Object.class, sepFrqC);
    // The object that we will wrap in FinalizableWeakReference is a Stopwatch.
    Class<?> sepStopwatchC = sepLoader.loadClass(Stopwatch.class.getName());
    assertThat(sepLoader).isSameInstanceAs(sepStopwatchC.getClassLoader());

              }
            }
            return super.loadClass(name);
          }
        };
    oldClassLoader = Thread.currentThread().getContextClassLoader();
    Thread.currentThread().setContextClassLoader(classReloader);
    abstractFutureClass = classReloader.loadClass(AbstractFuture.class.getName());
    settableFutureClass = classReloader.loadClass(SettableFuture.class.getName());
  }

  @Override

    ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
    Thread.currentThread().setContextClassLoader(classLoader);
    try {
      Class<?> test = classLoader.loadClass(FuturesTest.class.getName());
      Object testInstance = test.getDeclaredConstructor().newInstance();
      test.getMethod("setUp").invoke(testInstance);
      test.getMethod(getName()).invoke(testInstance);

    ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();

    Thread.currentThread().setContextClassLoader(classLoader);
    try {
      Class<?> test = classLoader.loadClass(AbstractFutureTest.class.getName());
      test.getMethod(getName()).invoke(test.getDeclaredConstructor().newInstance());
    } finally {
      Thread.currentThread().setContextClassLoader(oldClassLoader);
    }
  }

        groovyImplicitTypes.add("java.math.BigDecimal");
        groovyImplicitTypes.add("java.math.BigInteger");

        // check that groovy is visible.
        try {
            getClass().getClassLoader().loadClass("groovy.lang.Closure");
        } catch (ClassNotFoundException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

    /**

  }

  static class DecoupledClassLoader extends URLClassLoader {

    public DecoupledClassLoader(URL[] urls) {
      super(urls);
    }

    @Override
    protected synchronized Class<?> loadClass(String name, boolean resolve)
        throws ClassNotFoundException {
      // Force Finalizer to load from this class loader, not its parent.
      if (name.equals(Finalizer.class.getName())) {

        final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
        if (tccl != null) {
            try {
                return tccl.loadClass(name);
            } catch (final Exception e) {
                // drop through...
            } catch (final LinkageError e) {
                // drop through...
            }
        }

      } catch (SecurityException e) {
        logger.info("Not allowed to access system class loader.");
        return null;
      }
      if (systemLoader != null) {
        try {
          return systemLoader.loadClass(FINALIZER_CLASS_NAME);
        } catch (ClassNotFoundException e) {
          // Ignore. Finalizer is simply in a child class loader.
          return null;
        }
      } else {
        return null;