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+# Copyright 2018 The TensorFlow 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.
+# ==============================================================================
+"""Tests for the DataFormatVecPermute operator."""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import numpy as np
+
+from tensorflow.compiler.tests import xla_test
+from tensorflow.python.framework import dtypes
+from tensorflow.python.ops import array_ops
+from tensorflow.python.ops import nn_ops
+from tensorflow.python.platform import test
+
+
+class XlaPermuteOpTest(xla_test.XLATestCase):
+
+ def _runPermuteAndCompare(self, x, src_format, dst_format, expected):
+ with self.cached_session() as session:
+ with self.test_scope():
+ placeholder = array_ops.placeholder(dtypes.as_dtype(x.dtype), x.shape)
+ param = {placeholder: x}
+ output = nn_ops.data_format_vec_permute(
+ placeholder, src_format=src_format, dst_format=dst_format)
+ result = session.run(output, param)
+ self.assertAllEqual(result, expected)
+
+ def testNHWCToNCHW(self):
+ x = np.array([7, 4, 9, 3], dtype=np.int32)
+ self._runPermuteAndCompare(x, "NHWC", "NCHW", [7, 3, 4, 9])
+
+ def testNCHWToNHWC(self):
+ x = np.array([7, 4, 9, 3], dtype=np.int32)
+ self._runPermuteAndCompare(x, "NCHW", "NHWC", [7, 9, 3, 4])
+
+ def testNHWCToHWNC(self):
+ x = np.array([7, 4, 9, 3], dtype=np.int32)
+ self._runPermuteAndCompare(x, "NHWC", "HWNC", [4, 9, 7, 3])
+
+ def testHWNCToNHWC(self):
+ x = np.array([7, 4, 9, 3], dtype=np.int32)
+ self._runPermuteAndCompare(x, "HWNC", "NHWC", [9, 7, 4, 3])
+
+ def testNHWCToNCHW2D(self):
+ x = np.array([[7, 4], [9, 3], [4, 5], [5, 1]], dtype=np.int32)
+ self._runPermuteAndCompare(x, "NHWC", "NCHW",
+ [[7, 4], [5, 1], [9, 3], [4, 5]])
+
+ def testNHWCToHWNC2D(self):
+ x = np.array([[7, 4], [9, 3], [4, 5], [5, 1]], dtype=np.int32)
+ self._runPermuteAndCompare(x, "NHWC", "HWNC",
+ [[9, 3], [4, 5], [7, 4], [5, 1]])
+
+ def testHWNCToNHWC2D(self):
+ x = np.array([[7, 4], [9, 3], [4, 5], [5, 1]], dtype=np.int32)
+ self._runPermuteAndCompare(x, "HWNC", "NHWC",
+ [[4, 5], [7, 4], [9, 3], [5, 1]])
+
+ def testNCHWToNHWC2D(self):
+ x = np.array([[7, 4], [9, 3], [4, 5], [5, 1]], dtype=np.int32)
+ self._runPermuteAndCompare(x, "NCHW", "NHWC",
+ [[7, 4], [4, 5], [5, 1], [9, 3]])
+
+
+if __name__ == "__main__":
+ test.main()