@Test
public void testGetOutputCommand() {

	ReturnObject rObject1 = ReturnObject.getErrorReturnObject();
	ReturnObject rObject2 = ReturnObject.getPrimitiveReturnObject(2);
	ReturnObject rObject3 = ReturnObject.getPrimitiveReturnObject(2.2);
	ReturnObject rObject4 = ReturnObject.getPrimitiveReturnObject(2.2f);
	ReturnObject rObject5 = ReturnObject.getPrimitiveReturnObject('c');
	ReturnObject rObject6 = ReturnObject.getPrimitiveReturnObject("Hello\nWorld");
	ReturnObject rObject7 = ReturnObject.getPrimitiveReturnObject(5L);
	ReturnObject rObject8 = ReturnObject.getPrimitiveReturnObject(true);
	ReturnObject rObject9 = ReturnObject.getPrimitiveReturnObject(false);
	ReturnObject rObject10 = ReturnObject.getNullReturnObject();
	ReturnObject rObject11 = ReturnObject.getReferenceReturnObject("o123");
	ReturnObject rObject12 = ReturnObject.getListReturnObject("o123", 2);
	ReturnObject rObject13 = ReturnObject.getMapReturnObject("o124", 3);
	ReturnObject rObject14 = ReturnObject.getSetReturnObject("o125", 3);
	ReturnObject rObject15 = ReturnObject.getArrayReturnObject("o126", 3);
	ReturnObject rObject16 = ReturnObject.getIteratorReturnObject("o127");
	ReturnObject rObject17 = ReturnObject.getDecimalReturnObject(new BigDecimal("-14.532"));
	assertEquals("!x\n", Protocol.getOutputCommand(rObject1));
	assertEquals("!yi2\n", Protocol.getOutputCommand(rObject2));
	assertEquals("!yd2.2\n", Protocol.getOutputCommand(rObject3));
	assertEquals("!yd2.2\n", Protocol.getOutputCommand(rObject4));
	assertEquals("!ysc\n", Protocol.getOutputCommand(rObject5));
	assertEquals("!ysHello\\nWorld\n", Protocol.getOutputCommand(rObject6));
	assertEquals("!yL5\n", Protocol.getOutputCommand(rObject7));
	assertEquals("!ybtrue\n", Protocol.getOutputCommand(rObject8));
	assertEquals("!ybfalse\n", Protocol.getOutputCommand(rObject9));
	assertEquals("!yn\n", Protocol.getOutputCommand(rObject10));
	assertEquals("!yro123\n", Protocol.getOutputCommand(rObject11));
	assertEquals("!ylo123\n", Protocol.getOutputCommand(rObject12));
	assertEquals("!yao124\n", Protocol.getOutputCommand(rObject13));
	assertEquals("!yho125\n", Protocol.getOutputCommand(rObject14));
	assertEquals("!yto126\n", Protocol.getOutputCommand(rObject15));
	assertEquals("!ygo127\n", Protocol.getOutputCommand(rObject16));
	assertEquals("!yD-14.532\n", Protocol.getOutputCommand(rObject17));
}