#  Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserve.
#
#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 as np
from op_test import OpTest


class TestSplitOp(OpTest):
    def setUp(self):
        self.op_type = "split"
        axis = 0
        x = np.random.random((4, 2, 5)).astype('float32')
        out = np.split(x, [1, 3], axis)
        self.inputs = {'X': x}
        self.attrs = {'axis': axis, 'sections': [1, 2, 1]}
        self.outputs = {'Out': [('out%d' % i, out[i]) \
            for i in xrange(len(out))]}

    def test_check_output(self):
        self.check_output()

    def test_check_grad(self):
        self.check_grad(['X'], ['out0', 'out1', 'out2'])


if __name__ == '__main__':
    unittest.main()