#################################################
# hw4.py
#################################################

import string

def vowelCount(s):
    return 42

def interleave(s1, s2):
    return 42

def largestNumber(s):
    return 42

######################################################################
# bonus/optional: you can ignore the functions below here
######################################################################

def encrypt(msg, pwd):
    return 42

def decrypt(msg, pwd):
    return 42

######################################################################
# ignore_rest: The autograder will ignore all code below here
######################################################################

#################################################
# Test Functions
#################################################

def testVowelCount():
    print("Testing vowelCount()...", end="")
    assert(vowelCount("abcdefg") == 2)
    assert(vowelCount("ABCDEFG") == 2)
    assert(vowelCount("") == 0)
    assert(vowelCount("This is a test.  12345.") == 4)
    assert(vowelCount(string.ascii_lowercase) == 5)
    assert(vowelCount(string.ascii_lowercase*100) == 500)
    assert(vowelCount(string.ascii_uppercase) == 5)
    assert(vowelCount(string.punctuation) == 0)
    assert(vowelCount(string.whitespace) == 0)
    print("Passed!")

def testInterleave():
    print("Testing interleave()...", end="")
    assert(interleave("abcdefg", "abcdefg") == "aabbccddeeffgg")
    assert(interleave("abcde", "abcdefgh") == "aabbccddeefgh")
    assert(interleave("abcdefgh","abcde") == "aabbccddeefgh")
    assert(interleave("Smlksgeneg n a!", "a ie re gsadhm") ==
                      "Sam likes green eggs and ham!")
    assert(interleave("","") == "")
    print("Passed!")

def testLargestNumber():
    print("Testing largestNumber()...", end="")
    assert(largestNumber("I saw 3") == 3)
    assert(largestNumber("3 I saw!") == 3)
    assert(largestNumber("I saw 3 dogs, 17 cats, and 14 cows!") == 17)
    assert(largestNumber("I saw 3 dogs, 1700 cats, and 14 cows!") == 1700)
    assert(largestNumber("One person ate two hot dogs!") == None)
    print("Passed!")

def testEncrypt():
    print("Testing encrypt()...", end="")
    assert(encrypt("Go Team!", "azby") == "GNUCAL")
    assert(encrypt("a1m2a3z4i5n6g !?!?", "yes") == "YQSXMFE")
    assert(encrypt("", "wow") == "")
    assert(encrypt("Wow!", "AZBY") == "password must be all lowercase")
    print("Passed!")

def testDecrypt():
    print("Testing decrypt()...", end="")
    assert(decrypt("GNUCAL", "azby") == "GOTEAM")
    assert(decrypt("YQSXMFE", "yes") == "AMAZING")
    assert(decrypt("", "wow") == "")
    print("Passed!")

#################################################
# testAll and main
#################################################

def testAll():
    testVowelCount()
    testInterleave()
    testLargestNumber()
    #testEncrypt()
    #testDecrypt()

if __name__ == '__main__':
    testAll()