def testMultipleOfZero(self):
"""Attempts to find a multiple of zero."""
try:
util.roundToMultiple(12, 0)
except ZeroDivisionError:
pass
else:
self.fail()
def testInteger(self):
"""Tests the function with integer arguments."""
for n, m, expected in self.TESTS:
results = (
(util.roundToMultiple( n, m), expected),
(util.roundToMultiple(-n, m), -expected),
(util.roundToMultiple( n, -m), expected),
(util.roundToMultiple(-n, -m), -expected))
for result, expected in results:
self.assertEqual(result, expected)
self.assertTrue(isinstance(result, int))
def testFloat(self):
"""Tests the function with float arguments."""
for test in self.TESTS:
n, m, expected = (x / 100.0 for x in test)
results = (
(util.roundToMultiple( n, m), expected),
(util.roundToMultiple(-n, m), -expected),
(util.roundToMultiple( n, -m), expected),
(util.roundToMultiple(-n, -m), -expected))
for result, expected in results:
self.assertEqual(result, expected)
self.assertTrue(isinstance(result, float))
def testMixed(self):
"""Tests the function with mixed arguments."""
for n, m, expected in self.TESTS:
results = (
(util.roundToMultiple(float( n), m), expected),
(util.roundToMultiple(float(-n), m), -expected),
(util.roundToMultiple(float( n), -m), expected),
(util.roundToMultiple(float(-n), -m), -expected),
(util.roundToMultiple( n, float( m)), expected),
(util.roundToMultiple(-n, float( m)), -expected),
(util.roundToMultiple( n, float(-m)), expected),
(util.roundToMultiple(-n, float(-m)), -expected))
for result, expected in results:
self.assertEqual(result, expected)
self.assertTrue(isinstance(result, float))
