}

  public void testToString_notDone() throws Exception {
    AbstractFuture<Object> testFuture =
        new AbstractFuture<Object>() {
          @Override
          public String pendingToString() {
            return "cause=[Because this test isn't done]";
          }
        };
    assertThat(testFuture.toString())
        .matches(

    final ImmutableList<TestFuture> allFutures =
        ImmutableList.of(
            new TestFuture(doneSuccess, "doneSuccess", () -> {}),
            new TestFuture(doneFailed, "doneFailed", () -> {}),
            new TestFuture(doneCancelled, "doneCancelled", () -> {}),
            new TestFuture(doneRuntimeException, "doneRuntimeException", () -> {}),

    final ImmutableList<TestFuture> allFutures =
        ImmutableList.of(
            new TestFuture(doneSuccess, "doneSuccess", () -> {}),
            new TestFuture(doneFailed, "doneFailed", () -> {}),
            new TestFuture(doneCancelled, "doneCancelled", () -> {}),
            new TestFuture(doneRuntimeException, "doneRuntimeException", () -> {}),

  }

  public void testToString_notDone() throws Exception {
    AbstractFuture<Object> testFuture =
        new AbstractFuture<Object>() {
          @Override
          public String pendingToString() {
            return "cause=[Because this test isn't done]";
          }
        };
    assertThat(testFuture.toString())
        .matches(