@Test
public void testGetInputs() {

	final Operator<?> input1 = new OpImpl(0);
	final Operator<?> input2 = new OpImpl(1);
	final Operator<?> fixture = new OpImpl(0).withInputs(input1, input2);
	final List<JsonStream> result = fixture.getInputs();
	assertNotNull(result);
	assertEquals(2, result.size());
	final List<JsonStream> expectedResults = new ArrayList<JsonStream>();
	expectedResults.add(input1.getOutput(0));
	expectedResults.add(input2.getOutput(0));
	assertEquals(expectedResults, result);
}