Method mutation

api/src/test/java/io/grpc/CallOptionsTest.java:122–132

()

  }

  @Test
  public void mutation() {
    Deadline deadline = Deadline.after(10, SECONDS);
    CallOptions options1 = CallOptions.DEFAULT.withDeadline(deadline);
    assertThat(CallOptions.DEFAULT.getDeadline()).isNull();
    assertThat(deadline).isSameInstanceAs(options1.getDeadline());

    CallOptions options2 = options1.withDeadline(null);
    assertThat(deadline).isSameInstanceAs(options1.getDeadline());
    assertThat(options2.getDeadline()).isNull();
  }

  @Test
  public void mutateExecutor() {