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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# 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.
import unittest
import numpy
import paddle
from paddle.base import Program, core, program_guard
from paddle.base.executor import Executor
class TestLoDArrayLength(unittest.TestCase):
def test_array_length(self):
tmp = paddle.zeros(shape=[10], dtype='int32')
i = paddle.tensor.fill_constant(shape=[1], dtype='int64', value=10)
arr = paddle.tensor.array_write(tmp, i=i)
arr_len = paddle.tensor.array_length(arr)
cpu = core.CPUPlace()
exe = Executor(cpu)
result = exe.run(fetch_list=[arr_len])[0]
self.assertEqual(11, result[0])
class TestLoDArrayLengthOpError(unittest.TestCase):
def test_errors(self):
with program_guard(Program(), Program()):
# for ci coverage
x1 = numpy.random.randn(2, 4).astype('int32')
self.assertRaises(TypeError, paddle.tensor.array_length, array=x1)
class TestArrayLengthApi(unittest.TestCase):
def test_api(self):
paddle.disable_static()
arr = paddle.tensor.create_array(dtype='float32')
x = paddle.full(shape=[3, 3], fill_value=5, dtype="float32")
i = paddle.zeros(shape=[1], dtype="int32")
arr = paddle.tensor.array_write(x, i, array=arr)
arr_len = paddle.tensor.array_length(arr)
self.assertEqual(arr_len, 1)
paddle.enable_static()
if __name__ == '__main__':
unittest.main()