/////////////////////////////////////////////////////////////////////////////////////
// Get InputMultiplexor.
field = MultiplexingManager.class.getDeclaredField("inputMultiplexor");
field.setAccessible(true);
InputMultiplexor inputMultiplexor = (InputMultiplexor) field.get(manager);
// Test InputMultiplexor parameters.
field = InputMultiplexor.class.getDeclaredField("bufferSize");
field.setAccessible(true);
assertEquals(field.getInt(inputMultiplexor), 4 + Multiplex.INPUT_BUFFER_SIZE_DEFAULT);