def test_jump():
global stack
global frames
global flowControl
labelT = instructions.Label('label')
label = instructions.LABEL([labelT], stack, frames, flowControl)
label.exec()
assert flowControl.labelDict['label'] == 1
flowControl.instructionCounter = 200
jump = instructions.JUMP([labelT], stack, frames, flowControl)
jump.exec()
assert flowControl.labelDict['label'] == 1
assert flowControl.instructionCounter == 1
def test_labels():
global stack
global frames
global flowControl
label = instructions.Label('novicok')
flowControl.instructionCounter = 200
labelInst = instructions.LABEL([label], stack, frames, flowControl)
labelInst.exec()
assert flowControl.labelDict['novicok'] == 200
flowControl.instructionCounter = 1
call = instructions.CALL([label], stack, frames, flowControl)
call.exec()
assert flowControl.positionStack == [1]
assert flowControl.instructionCounter == 200
ret = instructions.RETURN([], stack, frames, flowControl)
ret.exec()
assert flowControl.positionStack == []
assert flowControl.instructionCounter == 1
def test_label2():
label = instructions.Label('_123')
assert label.get_value() == '_123'
def test_label1():
label = instructions.Label('call')
assert label.get_value() == 'call'
def test_jumpifneq():
global stack
global frames
global flowControl
flowControl = components.FlowControl()
globalVar1 = instructions.Var('GF@var1', frames)
globalVar1.define()
globalVar1.set_value(True)
globalVar2 = instructions.Var('GF@result1', frames)
globalVar2.define()
globalVar2.set_value(False)
const1 = instructions.Const('int', '4')
const2 = instructions.Const('int', '5')
const3 = instructions.Const('string', 'ahoj')
const4 = instructions.Const('string', 'ahojda')
labelT = instructions.Label('label')
label = instructions.LABEL([labelT], stack, frames, flowControl)
label.exec()
# Vars bool
flowControl.instructionCounter = 200
jumpifneq = instructions.JUMPIFNEQ([labelT, globalVar1, globalVar1], stack, frames, flowControl)
jumpifneq.exec()
assert flowControl.instructionCounter == 200
flowControl.instructionCounter = 200
jumpifneq = instructions.JUMPIFNEQ([labelT, globalVar1, globalVar2], stack, frames, flowControl)
jumpifneq.exec()
assert flowControl.instructionCounter == 0
# Constants int
flowControl.instructionCounter = 200
jumpifneq = instructions.JUMPIFNEQ([labelT, const1, const1], stack, frames, flowControl)
jumpifneq.exec()
assert flowControl.instructionCounter == 200
flowControl.instructionCounter = 200
jumpifneq = instructions.JUMPIFNEQ([labelT, const1, const2], stack, frames, flowControl)
jumpifneq.exec()
assert flowControl.instructionCounter == 0
# Constants sting
flowControl.instructionCounter = 200
jumpifneq = instructions.JUMPIFNEQ([labelT, const3, const3], stack, frames, flowControl)
jumpifneq.exec()
assert flowControl.instructionCounter == 200
flowControl.instructionCounter = 200
jumpifneq = instructions.JUMPIFNEQ([labelT, const3, const4], stack, frames, flowControl)
jumpifneq.exec()
assert flowControl.instructionCounter == 0