# Copyright 2020 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
"""
test flatten api
"""
import numpy as np

import mindspore.nn as nn
from mindspore import Tensor


def test_flatten_default():
    flatten = nn.Flatten()
    input_data = Tensor(np.random.randint(0, 255, [3, 6, 6]).astype(np.float32))
    output = flatten.construct(input_data)
    assert output.asnumpy().shape == (3, 36)
