def test_pow(self):
self.assertRaises(TypeError, pow, objc.NSDecimal("3.5"), 3, 1)
self.assertRaises(TypeError, pow, objc.NSDecimal("3.5"), 3)
self.assertRaises(TypeError, operator.pow, objc.NSDecimal("3.5"), 3)
self.assertRaises(
TypeError, operator.pow, objc.NSDecimal("3.5"), objc.NSDecimal("2")
)
def test_conversion(self):
d1 = objc.NSDecimal("1.5")
d2 = objc.NSDecimal("25")
self.assertEqual(d1.as_int(), 1)
self.assertEqual(d2.as_int(), 25)
self.assertEqual(d1.as_float(), 1.5)
self.assertEqual(d2.as_float(), 25.0)
self.assertRaises(TypeError, int, d1)
self.assertRaises(TypeError, float, d1)
def test_byref_in(self):
d = objc.NSDecimal("1.5")
o = OC_TestDecimal.alloc().init()
self.assertArgIsIn(o.stringFromDecimal_, 0)
r = o.stringFromDecimal_(d)
self.assertIsInstance(r, str)
self.assertEqual(r, "1.5")
def test_byref_inout(self):
d1 = objc.NSDecimal("1.25")
o = OC_TestDecimal.alloc().init()
self.assertArgIsInOut(o.doubleDecimal_, 0)
d2 = o.doubleDecimal_(d1)
self.assertIsNot(d1, d2)
self.assertEqual(str(d1), "1.25")
self.assertIsInstance(d2, objc.NSDecimal)
self.assertEqual(str(d2), "2.5")
def test_inplace_ro(self):
d1 = objc.NSDecimal("1.5")
d2 = objc.NSDecimal("0.5")
orig = d1
d1 += d2
self.assertEqual(d1, objc.NSDecimal("2.0"))
self.assertEqual(orig, objc.NSDecimal("1.5"))
d1 = orig
d1 -= d2
self.assertEqual(d1, objc.NSDecimal("1.0"))
self.assertEqual(orig, objc.NSDecimal("1.5"))
d1 = orig
d1 /= d2
self.assertEqual(d1, objc.NSDecimal("3.0"))
self.assertEqual(orig, objc.NSDecimal("1.5"))
d1 = orig
d1 *= d2
self.assertEqual(d1, objc.NSDecimal("0.75"))
self.assertEqual(orig, objc.NSDecimal("1.5"))
def test_creation(self):
cls = objc.lookUpClass("NSDecimalNumber")
d = objc.NSDecimal("1.5")
n = cls.decimalNumberWithDecimal_(d)
self.assertIsInstance(n, cls)
self.assertEqual(str(n), str(d))
n = cls.alloc().initWithDecimal_(d)
self.assertIsInstance(n, cls)
self.assertEqual(str(n), str(d))
v = n.decimalValue()
self.assertEqual(d, v)
def test_rounding(self):
d1 = objc.NSDecimal("1.5781")
d2 = round(d1)
self.assertEqual(d2, objc.NSDecimal("2"))
d2 = round(d1, 2)
self.assertEqual(d2, objc.NSDecimal("1.58"))
d2 = round(d1, 3)
self.assertEqual(d2, objc.NSDecimal("1.578"))
d1 = objc.NSDecimal("15.44")
d2 = round(d1, -1)
self.assertEqual(d2, objc.NSDecimal("20"))
def test_compare(self):
a_o = self.NSDecimalNumber("1.5")
b_o = self.NSDecimalNumber("2.5")
c_o = self.NSDecimalNumber("2.5")
self.assertTrue(a_o < b_o)
self.assertFalse(b_o < a_o)
self.assertTrue(a_o <= b_o)
self.assertFalse(b_o <= a_o)
self.assertFalse(a_o > b_o)
self.assertTrue(b_o > a_o)
self.assertFalse(a_o >= b_o)
self.assertTrue(b_o >= a_o)
self.assertTrue(b_o == c_o)
self.assertTrue(b_o == objc.NSDecimal("2.5"))
self.assertFalse(b_o == a_o)
self.assertTrue(b_o != a_o)
self.assertFalse(b_o != c_o)
def testCreation(self):
v = self.NSDecimalNumber()
self.assertIsInstance(v, self.NSDecimalNumber)
self.assertEqual(str(v), "0")
v = self.NSDecimalNumber(1)
self.assertIsInstance(v, self.NSDecimalNumber)
self.assertEqual(str(v), "1")
v = self.NSDecimalNumber(1.5)
self.assertIsInstance(v, self.NSDecimalNumber)
self.assertEqual(str(v), "1.5")
v = self.NSDecimalNumber(objc.NSDecimal("2.5"))
self.assertIsInstance(v, self.NSDecimalNumber)
self.assertEqual(str(v), "2.5")
w = self.NSDecimalNumber(v)
self.assertIsInstance(w, self.NSDecimalNumber)
self.assertEqual(str(w), "2.5")
self.assertRaises(TypeError, self.NSDecimalNumber, {})
def test_creation(self):
d = objc.NSDecimal(0)
self.assertEqual(str(d), "0")
d = objc.NSDecimal(-5)
self.assertEqual(str(d), "-5")
self.assertRaises(OverflowError, objc.NSDecimal, 1 << 66)
d = objc.NSDecimal(0.0)
self.assertEqual(str(d), "0")
d = objc.NSDecimal(0.5)
self.assertEqual(str(d), "0.5")
d = objc.NSDecimal("1.24")
self.assertEqual(str(d), "1.24")
d = objc.NSDecimal(500, 3, False)
self.assertEqual(str(d), str(500 * 10**3))
d = objc.NSDecimal(500, -6, True)
self.assertEqual(str(d), str(500 * 10**-6 * -1))
def testCalculation(self):
a_o = self.NSDecimalNumber("1.5")
b_o = self.NSDecimalNumber("2.5")
a_c = objc.NSDecimal("1.5")
b_c = objc.NSDecimal("2.5")
# Subtraction
v_o = a_o - b_o
v_c = a_c - b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = 1 - b_o
v_c = 1 - b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = a_o - 1
v_c = a_c - 1
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Addition
v_o = a_o + b_o
v_c = a_c + b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = 1 + b_o
v_c = 1 + b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = a_o + 1
v_c = a_c + 1
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Multiplication
v_o = a_o * b_o
v_c = a_c * b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = 2 * b_o
v_c = 2 * b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = a_o * 2
v_c = a_c * 2
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Division
v_o = a_o / b_o
v_c = a_c / b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = 2 / b_o
v_c = 2 / b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = a_o / 2
v_c = a_c / 2
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Floor Division
v_o = a_o // b_o
v_c = a_c // b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = 2 // b_o
v_c = 2 // b_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = a_o // 2
v_c = a_c // 2
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Modulo
# Not supported at the moment.
self.assertRaises(TypeError, operator.mod, a_o, b_o)
self.assertRaises(TypeError, operator.mod, a_c, b_c)
self.assertRaises(TypeError, operator.mod, a_o, 2)
self.assertRaises(TypeError, operator.mod, a_c, 2)
self.assertRaises(TypeError, operator.mod, 2, b_o)
self.assertRaises(TypeError, operator.mod, 2, b_c)
# v_o = a_o % b_o
# v_c = a_c % b_c
# self.assertEqual(str(v_o), str(v_c))
# self.assertIsInstance(v_o, self.NSDecimalNumber)
# v_o = 2 % b_o
# v_c = 2 % b_c
# self.assertEqual(str(v_o), str(v_c))
# self.assertIsInstance(v_o, self.NSDecimalNumber)
# v_o = a_o % 2
# v_c = a_c % 2
self.assertEqual(str(v_o), str(v_c))
# self.assertIsInstance(v_o, self.NSDecimalNumber)
# Negate
v_o = -a_o
v_c = -a_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Unary plus
v_o = +a_o
v_c = +a_c
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Abs
v_o = abs(a_o)
v_c = abs(a_c)
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = abs(-a_o)
v_c = abs(-a_c)
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
# Rounding
if sys.version_info[0] == 3:
a_o = self.NSDecimalNumber("15.125")
a_c = objc.NSDecimal("15.125")
v_o = round(a_o)
v_c = round(a_c)
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = round(a_o, 1)
v_c = round(a_c, 1)
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
v_o = round(a_o, -1)
v_c = round(a_c, -1)
self.assertEqual(str(v_o), str(v_c))
self.assertIsInstance(v_o, self.NSDecimalNumber)
def test_hash(self):
self.assertEqual(hash(objc.NSDecimal("1.50")),
hash(objc.NSDecimal("1.500")))
def test_comparing(self):
d1 = objc.NSDecimal("1.500")
d2 = objc.NSDecimal("1.500")
d3 = objc.NSDecimal("1.4")
d4 = objc.NSDecimal("1.6")
self.assertTrue(d1 == d1)
self.assertTrue(d1 == d2)
self.assertFalse(d1 != d1)
self.assertFalse(d1 != d2)
self.assertTrue(d1 != d3)
self.assertFalse(d1 != d2)
self.assertFalse(d1 != d1)
self.assertTrue(d1 <= d1)
self.assertTrue(d1 <= d2)
self.assertFalse(d1 <= d3)
self.assertTrue(d1 <= d4)
self.assertFalse(d1 < d1)
self.assertFalse(d1 < d2)
self.assertFalse(d1 < d3)
self.assertTrue(d1 < d4)
self.assertFalse(d1 > d1)
self.assertFalse(d1 > d2)
self.assertTrue(d1 > d3)
self.assertFalse(d1 > d4)
self.assertTrue(d1 >= d1)
self.assertTrue(d1 >= d2)
self.assertTrue(d1 >= d3)
self.assertFalse(d1 >= d4)
self.assertEqual(objc.NSDecimal("1.50"), objc.NSDecimal("1.500"))
# Comparison with other types is possible when
# they can be casted to NSDecimal without loosing
# precision.
d5 = objc.NSDecimal("5")
i5 = 5
f5 = 5.0
D5 = decimal.Decimal(5)
self.assertTrue(d5 == i5)
self.assertTrue(d5 == f5)
self.assertFalse(d5 == D5)
self.assertFalse(d5 != i5)
self.assertFalse(d5 != f5)
self.assertTrue(d5 != D5)
self.assertFalse(d5 < i5)
self.assertFalse(d5 < f5)
self.assertRaises(TypeError, operator.lt, d5, D5)
self.assertFalse(d5 > i5)
self.assertFalse(d5 > f5)
self.assertRaises(TypeError, operator.gt, d5, D5)
self.assertTrue(d5 >= i5)
self.assertTrue(d5 >= f5)
self.assertRaises(TypeError, operator.ge, d5, D5)
self.assertTrue(d5 <= i5)
self.assertTrue(d5 <= f5)
self.assertRaises(TypeError, operator.le, d5, D5)
def test_operators(self):
d1 = objc.NSDecimal("1.5")
self.assertEqual(+d1, d1)
self.assertEqual(-d1, objc.NSDecimal("-1.5"))
d2 = objc.NSDecimal("0.5")
o = d1 + d2
self.assertEqual(o, objc.NSDecimal("2"))
o = d1 - d2
self.assertEqual(o, objc.NSDecimal("1.0"))
o = d1 / d2
self.assertEqual(o, objc.NSDecimal("3.0"))
o = d1 * d2
self.assertEqual(o, objc.NSDecimal("0.75"))
o = d1 + 1
self.assertEqual(o, objc.NSDecimal("2.5"))
o = d1 - 1
self.assertEqual(o, objc.NSDecimal("0.5"))
o = d1 * 2
self.assertEqual(o, objc.NSDecimal("3"))
o = d1 / 2
self.assertEqual(o, objc.NSDecimal("0.75"))
o = d1 // 2
self.assertEqual(o, objc.NSDecimal("0"))
self.assertRaises(TypeError, operator.add, d1, 0.5)
self.assertRaises(TypeError, operator.sub, d1, 0.5)
self.assertRaises(TypeError, operator.mul, d1, 0.5)
self.assertRaises(TypeError, operator.truediv, d1, 0.5)