317 lines
10 KiB
Python
317 lines
10 KiB
Python
import unittest
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import exceptions
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from ledger import amount
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class BasicAmountTestCase(unittest.TestCase):
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def testConstructors(self):
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x0 = amount()
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x1 = amount(123456L)
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x2 = amount(123456)
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x3 = amount(123.456)
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x4 = amount(True)
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x5 = amount("123456")
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x6 = amount("123.456")
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x9 = amount(x3)
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x10 = amount(x6)
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self.assertEqual(amount(0L), x0)
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self.assertEqual(x2, x1)
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self.assertEqual(x5, x1)
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self.assertEqual(x6, x3)
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self.assertEqual(x10, x3)
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self.assertEqual(amount(1L), x4)
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self.assertEqual(x10, x9)
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def testNegation(self):
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x0 = amount()
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x1 = amount(-123456L)
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x3 = amount(-123.456)
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x5 = amount("-123456")
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x6 = amount("-123.456")
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x9 = amount(- x3)
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self.assertEqual(amount(0L), x0)
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self.assertEqual(x5, x1)
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self.assertEqual(x6, x3)
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self.assertEqual(- x6, x9)
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self.assertEqual(x3.negated(), x9)
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x10 = amount(x9)
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x10.negate()
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self.assertEqual(x3, x10)
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def testAssignment(self):
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x0 = amount()
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x1 = amount(123456L)
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x2 = amount(123456)
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x3 = amount(123.456)
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x4 = amount(True)
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x5 = amount("123456")
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x6 = amount("123.456")
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x9 = x3
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x10 = amount(x6)
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self.assertEqual(amount(0L), x0)
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self.assertEqual(x2, x1)
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self.assertEqual(x5, x1)
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self.assertEqual(x6, x3)
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self.assertEqual(x10, x3)
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self.assertEqual(amount(1L), x4)
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self.assertEqual(x10, x9)
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x0 = amount()
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x1 = amount(123456L)
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x2 = amount(123456)
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x3 = amount(123.456)
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x4 = amount(True)
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x5 = amount("123456")
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x6 = amount("123.456")
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x9 = x3
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x10 = amount(x6)
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self.assertEqual(amount(0L), x0)
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self.assertEqual(x2, x1)
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self.assertEqual(x5, x1)
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self.assertEqual(x6, x3)
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self.assertEqual(x10, x3)
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self.assertEqual(amount(1L), x4)
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self.assertEqual(x10, x9)
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def testEquality(self):
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x1 = amount(123456L)
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x2 = amount(456789L)
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x3 = amount(333333L)
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x4 = amount(123456.0)
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x5 = amount("123456.0")
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self.assertTrue(x1 == 123456L)
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self.assertTrue(x1 != x2)
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self.assertTrue(x1 == (x2 - x3))
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self.assertTrue(x1 == x4)
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self.assertTrue(x4 == x5)
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def testIntegerAddition(self):
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x1 = amount(123L)
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y1 = amount(456L)
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self.assertEqual(amount(579L), x1 + y1)
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self.assertEqual(amount(579L), x1 + 456L)
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self.assertEqual(amount(579L), 456L + x1)
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x1 += amount(456L)
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self.assertEqual(amount(579L), x1)
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x1 += 456L
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self.assertEqual(amount(1035L), x1)
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x3 = amount(True)
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y3 = amount(True)
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self.assertEqual(amount(2L), x3 + y3)
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self.assertEqual(amount(2L), x3 + True)
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x4 = amount("123456789123456789123456789")
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self.assertEqual(amount("246913578246913578246913578"), x4 + x4)
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def testFractionalAddition(self):
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x1 = amount(123.123)
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y1 = amount(456.456)
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self.assertEqual(amount(579.579), x1 + y1)
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self.assertEqual(amount(579.579), x1 + 456.456)
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self.assertEqual(amount(579.579), 456.456 + x1)
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x1 += amount(456.456)
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self.assertEqual(amount(579.579), x1)
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x1 += 456.456
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self.assertEqual(amount(1036.035), x1)
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x1 += 456L
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self.assertEqual(amount(1492.035), x1)
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x2 = amount("123456789123456789.123456789123456789")
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self.assertEqual(amount("246913578246913578.246913578246913578"), x2 + x2)
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def testIntegerSubtraction(self):
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x1 = amount(123L)
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y1 = amount(456L)
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self.assertEqual(amount(333L), y1 - x1)
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self.assertEqual(amount(-333L), x1 - y1)
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self.assertEqual(amount(23L), x1 - 100L)
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self.assertEqual(amount(-23L), 100L - x1)
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x1 -= amount(456L)
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self.assertEqual(amount(-333L), x1)
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x1 -= 456L
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self.assertEqual(amount(-789L), x1)
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x3 = amount(True)
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y3 = amount(True)
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self.assertEqual(amount(False), x3 - y3)
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x4 = amount("123456789123456789123456789")
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y4 = amount("8238725986235986")
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self.assertEqual(amount("123456789115218063137220803"), x4 - y4)
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self.assertEqual(amount("-123456789115218063137220803"), y4 - x4)
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def testFractionalSubtraction(self):
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x1 = amount(123.123)
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y1 = amount(456.456)
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self.assertEqual(amount(-333.333), x1 - y1)
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self.assertEqual(amount(333.333), y1 - x1)
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x1 -= amount(456.456)
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self.assertEqual(amount(-333.333), x1)
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x1 -= 456.456
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self.assertEqual(amount(-789.789), x1)
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x1 -= 456L
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self.assertEqual(amount(-1245.789), x1)
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x2 = amount("123456789123456789.123456789123456789")
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y2 = amount("9872345982459.248974239578")
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self.assertEqual(amount("123446916777474329.874482549545456789"), x2 - y2)
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self.assertEqual(amount("-123446916777474329.874482549545456789"), y2 - x2)
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def testIntegerMultiplication(self):
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x1 = amount(123L)
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y1 = amount(456L)
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self.assertEqual(amount(0L), x1 * 0L)
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self.assertEqual(amount(0L), amount(0L) * x1)
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self.assertEqual(amount(0L), 0L * x1)
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self.assertEqual(x1, x1 * 1L)
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self.assertEqual(x1, amount(1L) * x1)
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self.assertEqual(x1, 1L * x1)
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self.assertEqual(- x1, x1 * -1L)
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self.assertEqual(- x1, amount(-1L) * x1)
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self.assertEqual(- x1, -1L * x1)
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self.assertEqual(amount(56088L), x1 * y1)
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self.assertEqual(amount(56088L), y1 * x1)
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self.assertEqual(amount(56088L), x1 * 456L)
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self.assertEqual(amount(56088L), amount(456L) * x1)
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self.assertEqual(amount(56088L), 456L * x1)
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x1 *= amount(123L)
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self.assertEqual(amount(15129L), x1)
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x1 *= 123L
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self.assertEqual(amount(1860867L), x1)
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x3 = amount(True)
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y3 = amount(True)
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self.assertEqual(amount(True), x3 * y3)
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x4 = amount("123456789123456789123456789")
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self.assertEqual(amount("15241578780673678546105778281054720515622620750190521"),
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x4 * x4)
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def testFractionalMultiplication(self):
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x1 = amount(123.123)
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y1 = amount(456.456)
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self.assertEqual(amount(0L), x1 * 0L)
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self.assertEqual(amount(0L), amount(0L) * x1)
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self.assertEqual(amount(0L), 0L * x1)
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self.assertEqual(x1, x1 * 1L)
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self.assertEqual(x1, amount(1L) * x1)
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self.assertEqual(x1, 1L * x1)
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self.assertEqual(- x1, x1 * -1L)
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self.assertEqual(- x1, amount(-1L) * x1)
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self.assertEqual(- x1, -1L * x1)
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self.assertEqual(amount("56200.232088"), x1 * y1)
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self.assertEqual(amount("56200.232088"), y1 * x1)
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self.assertEqual(amount("56200.232088"), x1 * 456.456)
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self.assertEqual(amount("56200.232088"), amount(456.456) * x1)
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self.assertEqual(amount("56200.232088"), 456.456 * x1)
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x1 *= amount(123.123)
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self.assertEqual(amount("15159.273129"), x1)
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x1 *= 123.123
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self.assertEqual(amount("1866455.185461867"), x1)
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x1 *= 123L
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self.assertEqual(amount("229573987.811809641"), x1)
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x2 = amount("123456789123456789.123456789123456789")
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self.assertEqual(amount("15241578780673678546105778311537878.046486820281054720515622620750190521"),
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x2 * x2)
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def divideByZero(self, amt):
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return amt / 0
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def testIntegerDivision(self):
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x1 = amount(123L)
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y1 = amount(456L)
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self.assertRaises(exceptions.ArithmeticError, self.divideByZero, x1)
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self.assertEqual(amount(0L), amount(0L) / x1)
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self.assertEqual(amount(0L), 0L / x1)
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self.assertEqual(x1, x1 / 1L)
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self.assertEqual(amount("0.008130"), amount(1L) / x1)
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self.assertEqual(amount("0.008130"), 1L / x1)
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self.assertEqual(- x1, x1 / -1L)
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self.assertEqual(- amount("0.008130"), amount(-1L) / x1)
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self.assertEqual(- amount("0.008130"), -1L / x1)
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self.assertEqual(amount("0.269736"), x1 / y1)
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self.assertEqual(amount("3.707317"), y1 / x1)
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self.assertEqual(amount("0.269736"), x1 / 456L)
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self.assertEqual(amount("3.707317"), amount(456L) / x1)
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self.assertEqual(amount("3.707317"), 456L / x1)
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x1 /= amount(456L)
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self.assertEqual(amount("0.269736"), x1)
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x1 /= 456L
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self.assertEqual(amount("0.000591526315789473"), x1)
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x4 = amount("123456789123456789123456789")
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y4 = amount("56")
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self.assertEqual(amount(1L), x4 / x4)
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self.assertEqual(amount("2204585520061728377204585.517857"), x4 / y4)
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def testFractionalDivision(self):
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x1 = amount(123.123)
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y1 = amount(456.456)
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self.assertRaises(exceptions.ArithmeticError, self.divideByZero, x1)
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self.assertEqual(amount("0.008121"), amount(1.0) / x1)
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self.assertEqual(amount("0.008121"), 1.0 / x1)
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self.assertEqual(x1, x1 / 1.0)
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self.assertEqual(amount("0.008121"), amount(1.0) / x1)
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self.assertEqual(amount("0.008121"), 1.0 / x1)
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self.assertEqual(- x1, x1 / -1.0)
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self.assertEqual(- amount("0.008121"), amount(-1.0) / x1)
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self.assertEqual(- amount("0.008121"), -1.0 / x1)
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self.assertEqual(amount("0.269736842105"), x1 / y1)
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self.assertEqual(amount("3.707317073170"), y1 / x1)
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self.assertEqual(amount("0.269736842105"), x1 / 456.456)
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self.assertEqual(amount("3.707317073170"), amount(456.456) / x1)
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self.assertEqual(amount("3.707317073170"), 456.456 / x1)
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x1 /= amount(456.456)
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self.assertEqual(amount("0.269736842105"), x1)
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x1 /= 456.456
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self.assertEqual(amount("0.0005909372252856792330476541"), x1)
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x1 /= 456L
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self.assertEqual(amount("0.00000129591496773175270405187302631578947368421052631578947368421"), x1)
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x4 = amount("1234567891234567.89123456789")
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y4 = amount("56.789")
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self.assertEqual(amount(1.0), x4 / x4)
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self.assertEqual(amount("21739560323910.7554497273748437197344556164"),
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x4 / y4)
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def suite():
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return unittest.TestLoader().loadTestsFromTestCase(BasicAmountTestCase)
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if __name__ == '__main__':
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unittest.main()
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