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from enum import Enum, IntEnum
from test.test_json import PyTest, CTest

SMALL = 1
BIG = 1<<32
HUGE = 1<<64
REALLY_HUGE = 1<<96

class BigNum(IntEnum):
    small = SMALL
    big = BIG
    huge = HUGE
    really_huge = REALLY_HUGE

E = 2.718281
PI = 3.141593
TAU = 2 * PI

class FloatNum(float, Enum):
    e = E
    pi = PI
    tau = TAU

class TestEnum:

    def test_floats(self):
        for enum in FloatNum:
            self.assertEqual(self.dumps(enum), repr(enum.value))
            self.assertEqual(float(self.dumps(enum)), enum)
            self.assertEqual(self.loads(self.dumps(enum)), enum)

    def test_ints(self):
        for enum in BigNum:
            self.assertEqual(self.dumps(enum), str(enum.value))
            self.assertEqual(int(self.dumps(enum)), enum)
            self.assertEqual(self.loads(self.dumps(enum)), enum)

    def test_list(self):
        self.assertEqual(
                self.dumps(list(BigNum)),
                str([SMALL, BIG, HUGE, REALLY_HUGE]),
                )
        self.assertEqual(self.dumps(list(FloatNum)), str([E, PI, TAU]))

    def test_dict_keys(self):
        s, b, h, r = BigNum
        e, p, t = FloatNum
        d = {
            s:'tiny', b:'large', h:'larger', r:'largest',
            e:"Euler's number", p:'pi', t:'tau',
            }
        nd = self.loads(self.dumps(d))
        self.assertEqual(nd[str(SMALL)], 'tiny')
        self.assertEqual(nd[str(BIG)], 'large')
        self.assertEqual(nd[str(HUGE)], 'larger')
        self.assertEqual(nd[str(REALLY_HUGE)], 'largest')
        self.assertEqual(nd[repr(E)], "Euler's number")
        self.assertEqual(nd[repr(PI)], 'pi')
        self.assertEqual(nd[repr(TAU)], 'tau')

    def test_dict_values(self):
        d = dict(
                tiny=BigNum.small,
                large=BigNum.big,
                larger=BigNum.huge,
                largest=BigNum.really_huge,
                e=FloatNum.e,
                pi=FloatNum.pi,
                tau=FloatNum.tau,
                )
        nd = self.loads(self.dumps(d))
        self.assertEqual(nd['tiny'], SMALL)
        self.assertEqual(nd['large'], BIG)
        self.assertEqual(nd['larger'], HUGE)
        self.assertEqual(nd['largest'], REALLY_HUGE)
        self.assertEqual(nd['e'], E)
        self.assertEqual(nd['pi'], PI)
        self.assertEqual(nd['tau'], TAU)

class TestPyEnum(TestEnum, PyTest): pass
class TestCEnum(TestEnum, CTest): pass