@Test(dependsOnMethods = {"testSetAndGet"}) public void testSerDe() throws IOException { Closer closer = Closer.create(); try { ByteArrayOutputStream baos = closer.register(new ByteArrayOutputStream()); DataOutputStream dos = closer.register(new DataOutputStream(baos)); this.taskState.write(dos); ByteArrayInputStream bais = closer.register((new ByteArrayInputStream(baos.toByteArray()))); DataInputStream dis = closer.register((new DataInputStream(bais))); TaskState newTaskState = new TaskState(); newTaskState.readFields(dis); Assert.assertEquals(newTaskState.getJobId(), "Job-1"); Assert.assertEquals(newTaskState.getTaskId(), "Task-1"); Assert.assertEquals(this.taskState.getHighWaterMark(), 2000); Assert.assertEquals(newTaskState.getStartTime(), this.startTime); Assert.assertEquals(newTaskState.getEndTime(), this.startTime + 1000); Assert.assertEquals(newTaskState.getTaskDuration(), 1000); Assert.assertEquals(newTaskState.getWorkingState(), WorkUnitState.WorkingState.COMMITTED); Assert.assertEquals(newTaskState.getProp("foo"), "bar"); } catch (Throwable t) { throw closer.rethrow(t); } finally { closer.close(); } }