def test_copy_indexable_fields_to(self):
# Populate a destination array with erroneous data to ensure it is overwritten
destination = Array(Object(None), 5)
for i in range(4):
destination.set_indexable_field(i, "foo")
self.array._copy_indexable_fields_to(destination)
self.assertEqual(self.array, destination)
def new_array_with_length(self, length):
# Allocate a new array and set its class to be the array class
result = Array(self._nilObject, length)
result.set_class(self._arrayClass)
# Return the freshly allocated array
return result
def new_array_with_length(self, length):
# Allocate a new array and set its class to be the array class
result = Array(self._nilObject, length)
result.set_class(self._arrayClass)
# Return the freshly allocated array
return result
def __init__(self, nilObject, num_elements, method, context, previous_frame):
Array.__init__(self, nilObject, num_elements)
self._stack_pointer = 0
self._bytecode_index = 0
self._local_offset = 0
self._method = method
self._context = context
self._previous_frame = previous_frame if previous_frame else nilObject
def __init__(self, nilObject, num_elements, method, context,
previous_frame):
Array.__init__(self, nilObject, num_elements)
self._stack_pointer = 0
self._bytecode_index = 0
self._local_offset = 0
self._method = method
self._context = context
self._previous_frame = previous_frame if previous_frame else nilObject
def new_array_with_length(self, length):
# Allocate a new array and set its class to be the array class
result = Array(self._nilObject)
result.set_class(self._arrayClass)
# Set the number of indexable fields to the given value (length)
result.set_number_of_indexable_fields_and_clear(length, self._nilObject)
# Return the freshly allocated array
return result
def setUp(self):
# Universe definition
self.universe = Universe()
# Array definition, 5 strings "bar"
self.array = Array(Object(None), 5)
for i in range(4):
self.array.set_indexable_field(i, "bar")
# Extended array definition, 5 strings "bar" followed by a string "foo"
self.extended_array = Array(Object(None), 6)
for i in range(4):
self.extended_array.set_indexable_field(i, "bar")
self.extended_array.set_indexable_field(5, "foo")
def __init__(self, nilObject, num_literals, num_locals, max_stack_elements,
num_bytecodes, signature):
Array.__init__(self, nilObject, num_literals)
# Set the number of bytecodes in this method
self._bytecodes = array('b', [0] * num_bytecodes)
self._inline_cache_class = [None] * num_bytecodes
self._inline_cache_invokable = [None] * num_bytecodes
self._number_of_locals = num_locals
self._maximum_number_of_stack_elements = max_stack_elements
self._set_signature(signature)
def test_empty_to_bool(self):
arr = Array.from_size(1)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
arr.set_indexable_field(0, trueObject)
self.assertIsInstance(arr._strategy, _BoolStrategy)
self.assertEqual(trueObject, arr.get_indexable_field(0))
def test_empty_to_obj(self):
arr = Array.from_size(1)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
arr.set_indexable_field(0, arr)
self.assertIsInstance(arr._strategy, _ObjectStrategy)
self.assertIs(arr, arr.get_indexable_field(0))
def test_empty_to_obj(self):
arr = Array.from_size(1)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
arr.set_indexable_field(0, arr)
self.assertIsInstance(arr._strategy, _ObjectStrategy)
self.assertIs(arr, arr.get_indexable_field(0))
def test_empty_to_bool(self):
arr = Array.from_size(1)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
arr.set_indexable_field(0, trueObject)
self.assertIsInstance(arr._strategy, _BoolStrategy)
self.assertEqual(trueObject, arr.get_indexable_field(0))
def test_empty_to_int(self):
arr = Array.from_size(1)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
int_obj = Integer(42)
arr.set_indexable_field(0, int_obj)
self.assertIsInstance(arr._strategy, _LongStrategy)
self.assertEqual(42, arr.get_indexable_field(0).get_embedded_integer())
def test_empty_to_int(self):
arr = Array.from_size(1)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
int_obj = Integer(42)
arr.set_indexable_field(0, int_obj)
self.assertIsInstance(arr._strategy, _LongStrategy)
self.assertEqual(42, arr.get_indexable_field(0).get_embedded_integer())
def test_copy_and_extend_partially_empty(self):
arr = Array.from_size(3)
int_obj = Integer(42)
arr.set_indexable_field(0, int_obj)
self.assertIsInstance(arr._strategy, _PartiallyEmptyStrategy)
new_arr = arr.copy_and_extend_with(int_obj)
self.assertIsNot(arr, new_arr)
self.assertEqual(4, new_arr.get_number_of_indexable_fields())
self.assertIsInstance(new_arr._strategy, _PartiallyEmptyStrategy)
def test_copy_and_extend_partially_empty(self):
arr = Array.from_size(3)
int_obj = Integer(42)
arr.set_indexable_field(0, int_obj)
self.assertIsInstance(arr._strategy, _PartiallyEmptyStrategy)
new_arr = arr.copy_and_extend_with(int_obj)
self.assertIsNot(arr, new_arr)
self.assertEqual(4, new_arr.get_number_of_indexable_fields())
self.assertIsInstance(new_arr._strategy, _PartiallyEmptyStrategy)
def invoke(self, receiver, arguments, meta_level):
if meta_level:
return self._som_node.invoke(receiver, arguments, meta_level)
# Falta hacer llegar el frame
environment = receiver.get_meta_object_environment()
# No esta definido o es Nil
if environment is None or not isinstance(environment, Object):
return self._som_node.invoke(receiver, arguments, meta_level)
method = self._lookup_node.lookup_meta_invokable(environment)
if method is None:
# El mate enviroment no define el methodo correspondiente a este nodo
return self._som_node.invoke(receiver, arguments, meta_level)
return method.invoke(receiver, [self._som_node.get_method(), Array.from_objects(arguments), environment], True)
def invoke(self, receiver, arguments, meta_level):
if meta_level:
return self._som_node.invoke(receiver, arguments, meta_level)
# Falta hacer llegar el frame
environment = receiver.get_meta_object_environment()
# No esta definido o es Nil
if environment is None or not isinstance(environment, Object):
return self._som_node.invoke(receiver, arguments, meta_level)
method = self._lookup_node.lookup_meta_invokable(environment)
if method is None:
# El mate enviroment no define el methodo correspondiente a este nodo
return self._som_node.invoke(receiver, arguments, meta_level)
return method.invoke(receiver, [
self._som_node.get_method(),
Array.from_objects(arguments), environment
], True)
class ArrayTestCase(unittest.TestCase):
def setUp(self):
# Universe definition
self.universe = Universe()
# Array definition, 5 strings "bar"
self.array = Array(Object(None), 5)
for i in range(4):
self.array.set_indexable_field(i, "bar")
# Extended array definition, 5 strings "bar" followed by a string "foo"
self.extended_array = Array(Object(None), 6)
for i in range(4):
self.extended_array.set_indexable_field(i, "bar")
self.extended_array.set_indexable_field(5, "foo")
def test_get_set_indexable_field(self):
self.array.set_indexable_field(1, "foo")
self.assertEqual("foo", self.array.get_indexable_field(1))
def test_get_number_of_indexable_fields(self):
self.assertEqual(5, self.array.get_number_of_indexable_fields())
def test_copy_and_extend_with(self):
extended_array = self.array.copy_and_extend_with("foo", self.universe)
self.assertEqual(self.extended_array, extended_array)
def test_copy_indexable_fields_to(self):
# Populate a destination array with erroneous data to ensure it is overwritten
destination = Array(Object(None), 5)
for i in range(4):
destination.set_indexable_field(i, "foo")
self.array._copy_indexable_fields_to(destination)
self.assertEqual(self.array, destination)
def test_empty_array(self):
arr = Array.from_size(0)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
def _to(ivkbl, rcvr, args, meta_level):
assert isinstance(rcvr, Integer)
arg = args[0]
assert isinstance(arg, Integer)
return Array.from_integers(range(rcvr.get_embedded_integer(),
arg.get_embedded_integer() + 1))
def new_array_with_strings(self, strings):
# Allocate a new array with the same length as the string array
values = [self.new_string(s) for s in strings]
return Array.from_objects(values)
def new_array_from_list(self, values):
make_sure_not_resized(values)
return Array.from_values(values)
def new_array_with_length(self, length):
return Array(self.nilObject, length)
def test_empty_array(self):
arr = Array.from_size(0)
self.assertIsInstance(arr._strategy, _EmptyStrategy)
def _to(ivkbl, rcvr, args):
assert isinstance(rcvr, Integer)
arg = args[0]
assert isinstance(arg, Integer)
return Array.from_integers(range(rcvr.get_embedded_integer(),
arg.get_embedded_integer() + 1))
def new_array_with_strings(self, strings):
# Allocate a new array with the same length as the string array
values = [self.new_string(s) for s in strings]
return Array.from_objects(values)
def new_array_with_length(self, length):
return Array.from_size(length)
def new_array_with_length(self, length):
return Array.from_size(length)
def new_array_from_list(self, values):
make_sure_not_resized(values)
return Array(self.nilObject, 0, values)
def new_array_from_list(self, values):
make_sure_not_resized(values)
return Array.from_values(values)