Function thfunc1

Lib/test/test_decimal.py:1644–1681

(cls)

# The following are two functions used to test threading in the next class

def thfunc1(cls):
    Decimal = cls.decimal.Decimal
    InvalidOperation = cls.decimal.InvalidOperation
    DivisionByZero = cls.decimal.DivisionByZero
    Overflow = cls.decimal.Overflow
    Underflow = cls.decimal.Underflow
    Inexact = cls.decimal.Inexact
    getcontext = cls.decimal.getcontext
    localcontext = cls.decimal.localcontext

    d1 = Decimal(1)
    d3 = Decimal(3)
    test1 = d1/d3

    cls.finish1.set()
    cls.synchro.wait()

    test2 = d1/d3
    with localcontext() as c2:
        cls.assertTrue(c2.flags[Inexact])
        cls.assertRaises(DivisionByZero, c2.divide, d1, 0)
        cls.assertTrue(c2.flags[DivisionByZero])
        with localcontext() as c3:
            cls.assertTrue(c3.flags[Inexact])
            cls.assertTrue(c3.flags[DivisionByZero])
            cls.assertRaises(InvalidOperation, c3.compare, d1, Decimal('sNaN'))
            cls.assertTrue(c3.flags[InvalidOperation])
            del c3
        cls.assertFalse(c2.flags[InvalidOperation])
        del c2

    cls.assertEqual(test1, Decimal('0.333333333333333333333333'))
    cls.assertEqual(test2, Decimal('0.333333333333333333333333'))

    c1 = getcontext()
    cls.assertTrue(c1.flags[Inexact])
    for sig in Overflow, Underflow, DivisionByZero, InvalidOperation:
        cls.assertFalse(c1.flags[sig])

def thfunc2(cls):
    Decimal = cls.decimal.Decimal