def testplus(self):
self.b = self.b + Bruch(4, 5)
assert (float(self.b) == 2.3)
def testPow(self):
h = 4
assert (self.b2**h == Bruch(self.b2.zaehler**h, self.b2.nenner**h))
def testNeg(self):
b4 = Bruch(-3, 2)
assert (-b4 == Bruch(3, 2))
def testInvert(self):
z, n = 5, 4
b = Bruch(z, n)
assert (~b == Bruch(n, z))
def testTuple2(self):
z, n = self.b
self.assertEqual(Bruch(z, n), self.b)
def testdivZeroError2(self):
self.assertRaises(ZeroDivisionError, self.b2.__truediv__, Bruch(0, 3))
def testiDiv(self):
self.b /= 2
assert (self.b == Bruch(3, 4))
def testFloat(self):
b = Bruch(3, 4)
assert (float(b) == 0.75)
def testiSub(self):
self.b -= 2
assert (self.b == Bruch(-1, 2))
def testminus(self):
self.b = self.b - Bruch(4, 5)
assert (float(self.b) == 0.7)
def testminus3(self):
self.b2 = self.b - Bruch(1)
assert (float(self.b2) == 0.5)
def testiAdd2(self):
self.b += Bruch(1)
assert (self.b == Bruch(5, 2))
def testiAdd(self):
self.b += 1
assert (self.b == Bruch(5, 2))
def testradd(self):
self.b2 = 3 + Bruch(3, 2)
assert (float(self.b2) == 4.5)
def testComplex(self):
b = Bruch(3, 4)
assert (complex(b) == 0.75)
def testiSub2(self):
self.b -= Bruch(2)
assert (self.b == Bruch(-1, 2))
def testrdiv(self):
self.b2 = 2 / Bruch(2)
assert (float(self.b2) == 1)
def testrsub(self):
self.b2 = 3 - Bruch(3, 2)
assert (float(self.b2) == 1.5)
def testrdivZeroError(self):
bneu = Bruch(0, 3)
self.assertRaises(ZeroDivisionError, bneu.__rtruediv__, 3)
def testmal(self):
self.b = self.b * Bruch(4)
assert (float(self.b) == 6)
def testiDiv2(self):
self.b /= Bruch(2)
assert (self.b == Bruch(3, 4))
def testInt(self):
b = Bruch(5, 4)
assert (int(b) == 1)
def testTuple(self):
z, n = Bruch(3, 4)
assert (z == 3 and n == 4)
def testiMul2(self):
self.b *= Bruch(2)
assert (self.b == 3)
def testInteger(self):
self.b2 = Bruch(3, 1)
assert (str(self.b2) == '(3)')
def testrmal(self):
self.b2 = 2 * Bruch(3, 2)
assert (float(self.b2) == 3)
def testAbs(self):
b4 = Bruch(-3, 2)
assert (abs(b4) == Bruch(3, 2))
def testdiv(self):
self.b = self.b / Bruch(4)
assert (float(self.b) == 0.375)
def setUp(self):
self.b = Bruch(3, 2)
self.b2 = Bruch(self.b)
self.b3 = Bruch(4, 2)
pass
def teststr2(self):
b2 = Bruch(-3, -2)
str1 = "(3/2)"
assert (str(b2) == str1)
