1 files changed, 43 insertions, 0 deletions
diff --git a/tensorflow/python/autograph/utils/type_check_test.py b/tensorflow/python/autograph/utils/type_check_test.py
new file mode 100644
index 0000000000..b3d1304e16
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+++ b/tensorflow/python/autograph/utils/type_check_test.py
@@ -0,0 +1,43 @@
+# Copyright 2017 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 type_check."""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import numpy
+
+from tensorflow.python.autograph.utils import type_check
+from tensorflow.python.framework import constant_op
+from tensorflow.python.framework import test_util
+from tensorflow.python.platform import test
+
+
+class TypeCheckTest(test.TestCase):
+
+  def test_checks(self):
+    self.assertTrue(type_check.is_tensor(constant_op.constant([1, 2, 3])))
+    self.assertTrue(
+        type_check.is_tensor(test_util.variables.Variable([1, 2, 3])))
+    self.assertTrue(
+        type_check.is_tensor(
+            test_util.array_ops.placeholder(test_util.dtypes.float32)))
+    self.assertFalse(type_check.is_tensor(3))
+    self.assertFalse(type_check.is_tensor(numpy.eye(3)))
+
+
+if __name__ == '__main__':
+  test.main()