TestStep:
'TestStep' '{'
number = INT '|'
act = (Function) 

'}'
;
Function:
name = 'WaitForSignal'
//msg = Message
sig = MsgSignal
waittime = INT 'ms'

;

MsgSignal:
name = 'Msg1'
signal = (sig1| sig2) |

name = 'Mgs2'
signal = (sig1| sig2| sig3)
;

sig1: name = 'name1'

option = ('opt1' |
'opt2' |
'op3' |
'opt4')
;

sig2: name = 'name2'

option = ('opt1' |
'opt2' |
'op3' |
'opt4')
;

sig3: name = 'name3'

option = ('opt1' |
'opt2' |
'op3' |
'opt4')
;

@Test
	def void loadModel() {
		val result = parseHelper.parse('''
			TestStep {
				0|
				WaitForSignal
				Msg1
				name1
				opt4
				2 ms
			}
		''')
		Assertions.assertNotNull(result)
		val errors = result.eResource.errors
		Assertions.assertTrue(errors.isEmpty, '''Unexpected errors: «errors.join(", ")»''')
		val msgSignal =
		result.act.sig
		println(msgSignal.name)
		println(msgSignal.signal)
		println((msgSignal.signal as sig1).name)
		println((msgSignal.signal as sig1).option)
	}

AbstractSignal:
	sig1|sig2|sig3
;

		println(msgSignal.signal.name)
		println(msgSignal.signal.option)