code: @Test public void testIllegalGenerateArg() throws Exception {
    EntityDeserializer entitygen=new EntityDeserializer(new LaxContentLengthStrategy());
    try {
      entitygen.deserialize(null,null);
      Assert.fail("IllegalArgumentException should have been thrown");
    }
   catch (  IllegalArgumentException ex) {
    }
    try {
      entitygen.deserialize(new SessionInputBufferMock(new byte[]{}),null);
      Assert.fail("IllegalArgumentException should have been thrown");
    }
   catch (  IllegalArgumentException ex) {
    }
  }
  