Python RPN.evaluate Examples

Example #1

File: test_rpn.py Project: james-dietz/rpn

def test_RPN_stack_underflow():
    inst = RPN()
    s = "1 +"
    assert inst.evaluate(s) == "Stack underflow" and inst.stack.items == []

Example #2

def test_RPN_evaluate():
    inst = RPN()
    s = "12 7 * 18 + 47 8 / - 3 +"
    assert inst.evaluate(s) == [99.125] and inst.stack.items == []

Example #3

File: test_rpn.py Project: james-dietz/rpn

def test_RPN_evaluate():
    inst = RPN()
    s = "12 7 * 18 + 47 8 / - 3 +"
    assert inst.evaluate(s) == [99.125] and inst.stack.items == []

Example #4

def test_RPN_stack_underflow():
    inst = RPN()
    s = "1 +"
    assert inst.evaluate(s) == "Stack underflow" and inst.stack.items == []