def test_func_call_reference(self):
def foo(value, add=0):
return value + add
foo_ref = FuncCallReference(True, foo, 5, add=7)
self.assertEqual(12, foo_ref.deref(Context()))
foo_ref = FuncCallReference(True, foo, 5)
self.assertEqual(5, foo_ref.deref(Context()))
foo_ref = FuncCallReference(True,
foo,
ObjectReference(True, 5),
add=ObjectReference(True, 7))
self.assertEqual(12, foo_ref.deref(Context()))
def test_reference__cyclic_reference(self):
a = FuncCallReference(True, None)
a.func_ref = a
with self.assertRaises(CyclicReferenceError):
a.deref(Context())
repr(a) # make sure it doesn't raise an exception
def test_bit__numeric_out_of_range(self):
range1 = bytes_ref[3:4].bits[5:9]
with self.assertRaises(ValueError):
range1.deref(Context())
def test_bit__numeric(self):
range1 = bytes_ref[3:4].bits[5]
self.assertEqualRangeList([(3 + 5.0 / 8, 3 + 6.0 / 8)],
range1.deref(Context()))
def test_range_factory__slice_and_list(self):
range1 = bytes_ref[1:4, 5, 7]
self.assertEqualRangeList([(1, 4), (5, 6), (7, 8)],
range1.deref(Context()))
def test_range_factory__list_range_reference(self):
range1 = bytes_ref[1, 5, 7]
self.assertEqualRangeList([(1, 2), (5, 6), (7, 8)],
range1.deref(Context()))
def test_numeric_binary_expression_radd(self):
obj = NumberHolder(37)
a = GetAttrReference(True, obj, 'n')
self.assertEqual(42, (5 + a).deref(Context()))
def test_numeric_binary_expression_add__two_references(self):
obj = NumberHolder(21)
a = GetAttrReference(True, obj, 'n')
b = GetAttrReference(True, obj, 'k')
self.assertEqual(31, (a + b).deref(Context()))
def test_numeric_reference(self):
obj = NumberHolder(42)
a = GetAttrReference(True, obj, 'n')
self.assertEqual(42, a.deref(Context()))