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path: root/AlgoDesignAndTechniqueEdxPython/tests/largest_numberTest.py
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'''
Created on Oct 3, 2018

@author: haidong
'''
import unittest

from sources.largest_number import compareLeadingDigits, getLargestNumber

class Test(unittest.TestCase):


    def testName(self):
        self.assertTrue(compareLeadingDigits("2", "21"))

    def testCompareLeadingDigits1(self):
        self.assertFalse(compareLeadingDigits("20", "21"))

    def testCompareLeadingDigits2(self):
        self.assertFalse(compareLeadingDigits("321", "322"))

    def testCompareLeadingDigits3(self):
        self.assertFalse(compareLeadingDigits("321", "32"))

    def testCompareLeadingDigits4(self):
        self.assertFalse(compareLeadingDigits("10", "1"))

    def testCompareLeadingDigits5(self):
        self.assertTrue(compareLeadingDigits("6", "10"))

    def testCompareLeadingDigits6(self):
        self.assertTrue(compareLeadingDigits("23", "2"))

    def testCompareLeadingDigits7(self):
        self.assertTrue(compareLeadingDigits("545", "54"))

    def testCompareLeadingDigits8(self):
        self.assertTrue(compareLeadingDigits("56", "565"))

    def testGetLargestNumber1(self):
        nums = [9, 4, 6, 1, 9]
        self.assertEqual("99641", getLargestNumber(nums))

    def testGetLargestNumber2(self):
        nums = [21, 2]
        self.assertEqual("221", getLargestNumber(nums))

    def testGetLargestNumber3(self):
        nums = [23, 39, 92]
        self.assertEqual("923923", getLargestNumber(nums))

    def testGetLargestNumber4(self):
        nums = [23, 2]
        self.assertEqual("232", getLargestNumber(nums))

if __name__ == "__main__":
    #import sys;sys.argv = ['', 'Test.testName']
    unittest.main()