import unittest
import pickle
import sys

from test import support

py_operator = support.import_fresh_module('operator', blocked=['_operator'])
c_operator = support.import_fresh_module('operator', fresh=['_operator'])

class Seq1:
    def __init__(self, lst):
        self.lst = lst
    def __len__(self):
        return len(self.lst)
    def __getitem__(self, i):
        return self.lst[i]
    def __add__(self, other):
        return self.lst + other.lst
    def __mul__(self, other):
        return self.lst * other
    def __rmul__(self, other):
        return other * self.lst

class Seq2(object):
    def __init__(self, lst):
        self.lst = lst
    def __len__(self):
        return len(self.lst)
    def __getitem__(self, i):
        return self.lst[i]
    def __add__(self, other):
        return self.lst + other.lst
    def __mul__(self, other):
        return self.lst * other
    def __rmul__(self, other):
        return other * self.lst

class BadIterable:
    def __iter__(self):
        raise ZeroDivisionError


class OperatorTestCase:
    def test_lt(self):
        operator = self.module
        self.assertRaises(TypeError, operator.lt)
        self.assertRaises(TypeError, operator.lt, 1j, 2j)
        self.assertFalse(operator.lt(1, 0))
        self.assertFalse(operator.lt(1, 0.0))
        self.assertFalse(operator.lt(1, 1))
        self.assertFalse(operator.lt(1, 1.0))
        self.assertTrue(operator.lt(1, 2))
        self.assertTrue(operator.lt(1, 2.0))

    def test_le(self):
        operator = self.module
        self.assertRaises(TypeError, operator.le)
        self.assertRaises(TypeError, operator.le, 1j, 2j)
        self.assertFalse(operator.le(1, 0))
        self.assertFalse(operator.le(1, 0.0))
        self.assertTrue(operator.le(1, 1))
        self.assertTrue(operator.le(1, 1.0))
        self.assertTrue(operator.le(1, 2))
        self.assertTrue(operator.le(1, 2.0))

    def test_eq(self):
        operator = self.module
        class C(object):
            def __eq__(self, other):
                raise SyntaxError
        self.assertRaises(TypeError, operator.eq)
        self.assertRaises(SyntaxError, operator.eq, C(), C())
        self.assertFalse(operator.eq(1, 0))
        self.assertFalse(operator.eq(1, 0.0))
        self.assertTrue(operator.eq(1, 1))
        self.assertTrue(operator.eq(1, 1.0))
        self.assertFalse(operator.eq(1, 2))
        self.assertFalse(operator.eq(1, 2.0))

    def test_ne(self):
        operator = self.module
        class C(object):
            def __ne__(self, other):
                raise SyntaxError
        self.assertRaises(TypeError, operator.ne)
        self.assertRaises(SyntaxError, operator.ne, C(), C())
        self.assertTrue(operator.ne(1, 0))
        self.assertTrue(operator.ne(1, 0.0))
        self.assertFalse(operator.ne(1, 1))
        self.assertFalse(operator.ne(1, 1.0))
        self.assertTrue(operator.ne(1, 2))
        self.assertTrue(operator.ne(1, 2.0))

    def test_ge(self):
        operator = self.module
        self.assertRaises(TypeError, operator.ge)
        self.assertRaises(TypeError, operator.ge, 1j, 2j)
        self.assertTrue(operator.ge(1, 0))
        self.assertTrue(operator.ge(1, 0.0))
        self.assertTrue(operator.ge(1, 1))
        self.assertTrue(operator.ge(1, 1.0))
        self.assertFalse(operator.ge(1, 2))
        self.assertFalse(operator.ge(1, 2.0))

    def test_gt(self):
        operator = self.module
        self.assertRaises(TypeError, operator.gt)
        self.assertRaises(TypeError, operator.gt, 1j, 2j)
        self.assertTrue(operator.gt(1, 0))
        self.assertTrue(operator.gt(1, 0.0))
        self.assertFalse(operator.gt(1, 1))
        self.assertFalse(operator.gt(1, 1.0))
        self.assertFalse(operator.gt(1, 2))
        self.assertFalse(operator.gt(1, 2.0))

    def test_abs(self):
        operator = self.module
        self.assertRaises(TypeError, operator.abs)
        self.assertRaises(TypeError, operator.abs, None)
        self.assertEqual(operator.abs(-1), 1)
        self.assertEqual(operator.abs(1), 1)

    def test_add(self):
        operator = self.module
        self.assertRaises(TypeError, operator.add)
        self.assertRaises(TypeError, operator.add, None, None)
        self.assertEqual(operator.add(3, 4), 7)

    def test_bitwise_and(self):
        operator = self.module
        self.assertRaises(TypeError, operator.and_)
        self.assertRaises(TypeError, operator.and_, None, None)
        self.assertEqual(operator.and_(0xf, 0xa), 0xa)

    def test_concat(self):
        operator = self.module
        self.assertRaises(TypeError, operator.concat)
        self.assertRaises(TypeError, operator.concat, None, None)
        self.assertEqual(operator.concat('py', 'thon'), 'python')
        self.assertEqual(operator.concat([1, 2], [3, 4]), [1, 2, 3, 4])
        self.assertEqual(operator.concat(Seq1([5, 6]), Seq1([7])), [5, 6, 7])
        self.assertEqual(operator.concat(Seq2([5, 6]), Seq2([7])), [5, 6, 7])
        self.assertRaises(TypeError, operator.concat, 13, 29)

    def test_countOf(self):
        operator = self.module
        self.assertRaises(TypeError, operator.countOf)
        self.assertRaises(TypeError, operator.countOf, None, None)
        self.assertRaises(ZeroDivisionError, operator.countOf, BadIterable(), 1)
        self.assertEqual(operator.countOf([1, 2, 1, 3, 1, 4], 3), 1)
        self.assertEqual(operator.countOf([1, 2, 1, 3, 1, 4], 5), 0)

    def test_delitem(self):
        operator = self.module
        a = [4, 3, 2, 1]
        self.assertRaises(TypeError, operator.delitem, a)
        self.assertRaises(TypeError, operator.delitem, a, None)
        self.assertIsNone(operator.delitem(a, 1))
        self.assertEqual(a, [4, 2, 1])

    def test_floordiv(self):
        operator = self.module
        self.assertRaises(TypeError, operator.floordiv, 5)
        self.assertRaises(TypeError, operator.floordiv, None, None)
        self.assertEqual(operator.floordiv(5, 2), 2)

    def test_truediv(self):
        operator = self.module
        self.assertRaises(TypeError, operator.truediv, 5)
        self.assertRaises(TypeError, operator.truediv, None, None)
        self.assertEqual(operator.truediv(5, 2), 2.5)

    def test_getitem(self):
        operator = self.module
        a = range(10)
        self.assertRaises(TypeError, operator.getitem)
        self.assertRaises(TypeError, operator.getitem, a, None)
        self.assertEqual(operator.getitem(a, 2), 2)

    def test_indexOf(self):
        operator = self.module
        self.assertRaises(TypeError, operator.indexOf)
        self.assertRaises(TypeError, operator.indexOf, None, None)
        self.assertRaises(ZeroDivisionError, operator.indexOf, BadIterable(), 1)
        self.assertEqual(operator.indexOf([4, 3, 2, 1], 3), 1)
        self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0)

    def test_invert(self):
        operator = self.module
        self.assertRaises(TypeError, operator.invert)
        self.assertRaises(TypeError, operator.invert, None)
        self.assertEqual(operator.inv(4), -5)

    def test_lshift(self):
        operator = self.module
        self.assertRaises(TypeError, operator.lshift)
        self.assertRaises(TypeError, operator.lshift, None, 42)
        self.assertEqual(operator.lshift(5, 1), 10)
        self.assertEqual(operator.lshift(5, 0), 5)
        self.assertRaises(ValueError, operator.lshift, 2, -1)

    def test_mod(self):
        operator = self.module
        self.assertRaises(TypeError, operator.mod)
        self.assertRaises(TypeError, operator.mod, None, 42)
        self.assertEqual(operator.mod(5, 2), 1)

    def test_mul(self):
        operator = self.module
        self.assertRaises(TypeError, operator.mul)
        self.assertRaises(TypeError, operator.mul, None, None)
        self.assertEqual(operator.mul(5, 2), 10)

    def test_matmul(self):
        operator = self.module
        self.assertRaises(TypeError, operator.matmul)
        self.assertRaises(TypeError, operator.matmul, 42, 42)
        class M:
            def __matmul__(self, other):
                return other - 1
        self.assertEqual(M() @ 42, 41)

    def test_neg(self):
        operator = self.module
        self.assertRaises(TypeError, operator.neg)
        self.assertRaises(TypeError, operator.neg, None)
        self.assertEqual(operator.neg(5), -5)
        self.assertEqual(operator.neg(-5), 5)
        self.assertEqual(operator.neg(0), 0)
        self.assertEqual(operator.neg(-0), 0)

    def test_bitwise_or(self):
        operator = self.module
        self.assertRaises(TypeError, operator.or_)
        self.assertRaises(TypeError, operator.or_, None, None)
        self.assertEqual(operator.or_(0xa, 0x5), 0xf)

    def test_pos(self):
        operator = self.module
        self.assertRaises(TypeError, operator.pos)
        self.assertRaises(TypeError, operator.pos, None)
        self.assertEqual(operator.pos(5), 5)
        self.assertEqual(operator.pos(-5), -5)
        self.assertEqual(operator.pos(0), 0)
        self.assertEqual(operator.pos(-0), 0)

    def test_pow(self):
        operator = self.module
        self.assertRaises(TypeError, operator.pow)
        self.assertRaises(TypeError, operator.pow, None, None)
        self.assertEqual(operator.pow(3,5), 3**5)
        self.assertRaises(TypeError, operator.pow, 1)
        self.assertRaises(TypeError, operator.pow, 1, 2, 3)

    def test_rshift(self):
        operator = self.module
        self.assertRaises(TypeError, operator.rshift)
        self.assertRaises(TypeError, operator.rshift, None, 42)
        self.assertEqual(operator.rshift(5, 1), 2)
        self.assertEqual(operator.rshift(5, 0), 5)
        self.assertRaises(ValueError, operator.rshift, 2, -1)

    def test_contains(self):
        operator = self.module
        self.assertRaises(TypeError, operator.contains)
        self.assertRaises(TypeError, operator.contains, None, None)
        self.assertRaises(ZeroDivisionError, operator.contains, BadIterable(), 1)
        self.assertTrue(operator.contains(range(4), 2))
        self.assertFalse(operator.contains(range(4), 5))

    def test_setitem(self):
        operator = self.module
        a = list(range(3))
        self.assertRaises(TypeError, operator.setitem, a)
        self.assertRaises(TypeError, operator.setitem, a, None, None)
        self.assertIsNone(operator.setitem(a, 0, 2))
        self.assertEqual(a, [2, 1, 2])
        self.assertRaises(IndexError, operator.setitem, a, 4, 2)

    def test_sub(self):
        operator = self.module
        self.assertRaises(TypeError, operator.sub)
        self.assertRaises(TypeError, operator.sub, None, None)
        self.assertEqual(operator.sub(5, 2), 3)

    def test_truth(self):
        operator = self.module
        class C(object):
            def __bool__(self):
                raise SyntaxError
        self.assertRaises(TypeError, operator.truth)
        self.assertRaises(SyntaxError, operator.truth, C())
        self.assertTrue(operator.truth(5))
        self.assertTrue(operator.truth([0]))
        self.assertFalse(operator.truth(0))
        self.assertFalse(operator.truth([]))

    def test_bitwise_xor(self):
        operator = self.module
        self.assertRaises(TypeError, operator.xor)
        self.assertRaises(TypeError, operator.xor, None, None)
        self.assertEqual(operator.xor(0xb, 0xc), 0x7)

    def test_is(self):
        operator = self.module
        a = b = 'xyzpdq'
        c = a[:3] + b[3:]
        self.assertRaises(TypeError, operator.is_)
        self.assertTrue(operator.is_(a, b))
        self.assertFalse(operator.is_(a,c))

    def test_is_not(self):
        operator = self.module
        a = b = 'xyzpdq'
        c = a[:3] + b[3:]
        self.assertRaises(TypeError, operator.is_not)
        self.assertFalse(operator.is_not(a, b))
        self.assertTrue(operator.is_not(a,c))

    def test_attrgetter(self):
        operator = self.module
        class A:
            pass
        a = A()
        a.name = 'arthur'
        f = operator.attrgetter('name')
        self.assertEqual(f(a), 'arthur')
        self.assertRaises(TypeError, f)
        self.assertRaises(TypeError, f, a, 'dent')
        self.assertRaises(TypeError, f, a, surname='dent')
        f = operator.attrgetter('rank')
        self.assertRaises(AttributeError, f, a)
        self.assertRaises(TypeError, operator.attrgetter, 2)
        self.assertRaises(TypeError, operator.attrgetter)

        # multiple gets
        record = A()
        record.x = 'X'
        record.y = 'Y'
        record.z = 'Z'
        self.assertEqual(operator.attrgetter('x','z','y')(record), ('X', 'Z', 'Y'))
        self.assertRaises(TypeError, operator.attrgetter, ('x', (), 'y'))

        class C(object):
            def __getattr__(self, name):