Testy stosu

import my_stack as st

#Stos

def test_new():
    s = st.new()
    if s == []:
        print("Test passed succesfully!")
        passed = True
    else:
        print("Test didnt passed!")
        passed = False
    return passed

def test_empty():
    s = st.new()
    if st.empty(s):
        print("Test passed succesfully!")
        passed = True
    else:
        print("Test didnt passed!")
        passed = False
    return passed

def test_pop():
    s = st.new()
    st.push(s, 5)
    st.push(s, 10)
    st.push(s, 15)
    ostatni = st.pop(s)
    if ostatni == 15:
        print("Test passed succesfully!")
        passed = True
    else:
        print("Test didnt passed!")
        passed = False
    return passed

def test_push():
    s = st.new()
    st.push(s, 5)
    if s[0] == 5:
       print("Test passed succesfully!")
       passed = True
    else:
        print("Test didnt passed!")
        passed = False
    return passed

def test_top():
    s = st.new()
    st.push(s, 5)
    st.push(s, 15)
    if st.top(s) == 20:
        print("Test passed succesfully!")
        passed = False
    else:
        print("Test didnt passed!")
        passed = False
    return passed

print("Testy stos")
test_new()
test_empty()
test_pop()
test_push()
test_top()