Saran Tunyasuvunakool
b1a79aa01b
PiperOrigin-RevId: 476492651 Change-Id: I310a21a73a65da3a5939f5cb8a1c8a67c8595863
124 lines
5.0 KiB
Python
124 lines
5.0 KiB
Python
# Copyright 2022 DeepMind Technologies Limited
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
# ==============================================================================
|
|
"""Tests for ast_nodes.py."""
|
|
|
|
from absl.testing import absltest
|
|
|
|
from . import ast_nodes
|
|
|
|
|
|
class AstNodesTest(absltest.TestCase):
|
|
|
|
def test_value_type(self):
|
|
value_type = ast_nodes.ValueType('int')
|
|
self.assertEqual(str(value_type), 'int')
|
|
self.assertEqual(value_type.decl('var'), 'int var')
|
|
|
|
const_value_type = ast_nodes.ValueType('double', is_const=True)
|
|
self.assertEqual(str(const_value_type), 'const double')
|
|
self.assertEqual(const_value_type.decl('var2'), 'const double var2')
|
|
|
|
def test_pointer_type(self):
|
|
pointer_type = ast_nodes.PointerType(ast_nodes.ValueType('int'))
|
|
self.assertEqual(str(pointer_type), 'int *')
|
|
self.assertEqual(pointer_type.decl('var'), 'int * var')
|
|
|
|
const_pointer_type = ast_nodes.PointerType(
|
|
ast_nodes.ValueType('double'), is_const=True)
|
|
self.assertEqual(str(const_pointer_type), 'double * const')
|
|
self.assertEqual(const_pointer_type.decl('var2'), 'double * const var2')
|
|
|
|
pointer_to_const_type = ast_nodes.PointerType(
|
|
ast_nodes.ValueType('float', is_const=True))
|
|
self.assertEqual(str(pointer_to_const_type), 'const float *')
|
|
self.assertEqual(pointer_to_const_type.decl('var3'), 'const float * var3')
|
|
|
|
restrict_volatile_pointer_to_const_type = ast_nodes.PointerType(
|
|
ast_nodes.ValueType('char', is_const=True),
|
|
is_volatile=True, is_restrict=True)
|
|
self.assertEqual(str(restrict_volatile_pointer_to_const_type),
|
|
'const char * volatile restrict')
|
|
self.assertEqual(
|
|
restrict_volatile_pointer_to_const_type.decl('var4'),
|
|
'const char * volatile restrict var4')
|
|
|
|
pointer_to_array_type = ast_nodes.PointerType(
|
|
ast_nodes.ArrayType(ast_nodes.ValueType('long'), (3,)))
|
|
self.assertEqual(str(pointer_to_array_type), 'long (*)[3]')
|
|
self.assertEqual(pointer_to_array_type.decl('var5'), 'long (* var5)[3]')
|
|
|
|
const_pointer_to_array_type = ast_nodes.PointerType(
|
|
ast_nodes.ArrayType(ast_nodes.ValueType('unsigned int'), (4,)),
|
|
is_const=True)
|
|
self.assertEqual(
|
|
str(const_pointer_to_array_type), 'unsigned int (* const)[4]')
|
|
self.assertEqual(
|
|
const_pointer_to_array_type.decl('var6'),
|
|
'unsigned int (* const var6)[4]')
|
|
|
|
def test_array_type(self):
|
|
array_type = ast_nodes.ArrayType(ast_nodes.ValueType('int'), (4,))
|
|
self.assertEqual(str(array_type), 'int [4]')
|
|
self.assertEqual(array_type.decl('var'), 'int var[4]')
|
|
|
|
array_2d_type = ast_nodes.ArrayType(
|
|
ast_nodes.ValueType('double', is_const=True), (2, 3))
|
|
self.assertEqual(str(array_2d_type), 'const double [2][3]')
|
|
self.assertEqual(array_2d_type.decl('var2'), 'const double var2[2][3]')
|
|
|
|
array_to_pointer_type = ast_nodes.ArrayType(
|
|
ast_nodes.PointerType(ast_nodes.ValueType('char', is_const=True)), (5,))
|
|
self.assertEqual(str(array_to_pointer_type), 'const char * [5]')
|
|
self.assertEqual(array_to_pointer_type.decl('var3'), 'const char * var3[5]')
|
|
|
|
array_to_const_pointer_type = ast_nodes.ArrayType(
|
|
ast_nodes.PointerType(ast_nodes.ValueType('float'), is_const=True),
|
|
(7,))
|
|
self.assertEqual(str(array_to_const_pointer_type), 'float * const [7]')
|
|
self.assertEqual(
|
|
array_to_const_pointer_type.decl('var4'), 'float * const var4[7]')
|
|
|
|
def test_complex_type(self):
|
|
complex_type = ast_nodes.ArrayType(
|
|
extents=[9],
|
|
inner_type=ast_nodes.PointerType(
|
|
ast_nodes.PointerType(
|
|
is_const=True,
|
|
inner_type=ast_nodes.ArrayType(
|
|
extents=[7],
|
|
inner_type=ast_nodes.PointerType(
|
|
is_const=True,
|
|
inner_type=ast_nodes.PointerType(
|
|
ast_nodes.ArrayType(
|
|
extents=(3, 4),
|
|
inner_type=ast_nodes.ValueType(
|
|
'unsigned int', is_const=True)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
self.assertEqual(str(complex_type),
|
|
'const unsigned int (* * const (* const * [9])[7])[3][4]')
|
|
self.assertEqual(
|
|
complex_type.decl('var'),
|
|
'const unsigned int (* * const (* const * var[9])[7])[3][4]')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
absltest.main()
|