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# Copyright (C) 2020 Arm Limited or its affiliates. All rights reserved.
#
# SPDX-License-Identifier: Apache-2.0
#
# 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
#
# 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.
# Description:
# Contains unit tests for live ranges
from unittest.mock import MagicMock
import pytest
from ethosu.vela.live_range import LiveRange
from ethosu.vela.tensor import Tensor
class TestLiveRange:
def test_instantiate_live_range_with_tensor(self):
tens = MagicMock()
tens.storage_size.return_value = 4
tens.name = "test"
live_range = LiveRange(tens, Tensor.AllocationQuantum)
assert live_range.size == 4
assert live_range.name == "test"
assert live_range.tensors == [tens]
def test_add_tensor_valid_size(self):
tens = MagicMock()
# When storage_size() is called twice, it returns 4 and then 3
tens.storage_size.side_effect = [4, 3]
tens.name = "test"
live_range = LiveRange(tens, Tensor.AllocationQuantum)
live_range.add_tensor(tens)
assert live_range.size == 4
assert live_range.name == "test"
assert live_range.tensors == [tens, tens]
def test_add_tensor_invalid_size(self):
tens = MagicMock()
# When storage_size() is called twice, it returns 4 and then 5
tens.storage_size.side_effect = [4, 5]
tens.name = "test"
live_range = LiveRange(tens, Tensor.AllocationQuantum)
# Expect an AssertionError with a message
with pytest.raises(AssertionError, match=r".* to the same LiveRange .*"):
live_range.add_tensor(tens)
# Check that the interal status of the object didn't change
assert live_range.size == 4
assert live_range.name == "test"
assert live_range.tensors == [tens]
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