}

  /** constructor initializes to given value */
  public void testConstructor() {
    for (double x : VALUES) {
      AtomicDouble a = new AtomicDouble(x);
      assertBitEquals(x, a.get());
    }
  }

  /** default constructed initializes to zero */
  public void testConstructor2() {
    AtomicDouble a = new AtomicDouble();
    assertBitEquals(0.0, a.get());
  }

    double[] a = null;
    assertThrows(NullPointerException.class, () -> new AtomicDoubleArray(a));
  }

  /** constructor with array is of same size and has all elements */
  public void testConstructor2() {
    AtomicDoubleArray aa = new AtomicDoubleArray(VALUES);
    assertEquals(VALUES.length, aa.length());
    for (int i = 0; i < VALUES.length; i++) {
      assertBitEquals(VALUES[i], aa.get(i));
    }
  }

    }
    return methods.build();
  }

  private static String typeName(Class<?> type) {
    return type.isArray() ? typeName(type.getComponentType()) + "[]" : type.getName();
  }

  public void testConstructor() throws Exception {
    Invokable<A, A> invokable = A.constructor();
    assertTrue(invokable.isPublic());
    assertFalse(invokable.isPackagePrivate());
    assertFalse(invokable.isAbstract());

    }
    return methods.build();
  }

  private static String typeName(Class<?> type) {
    return type.isArray() ? typeName(type.getComponentType()) + "[]" : type.getName();
  }

  public void testConstructor() throws Exception {
    Invokable<A, A> invokable = A.constructor();
    assertTrue(invokable.isPublic());
    assertFalse(invokable.isPackagePrivate());
    assertFalse(invokable.isAbstract());