chore: import upstream snapshot with attribution

test/legacy_test/test_range.py

@@ -0,0 +1,82 @@
+#   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
+from functools import partial
+
+import numpy as np
+from op_test import OpTest
+
+import paddle
+
+
+def arange_wrapper(start, end, step, dtype=None):
+    return paddle.arange(start, end, step, dtype)
+
+
+class TestRangeOp(OpTest):
+    def setUp(self):
+        self.op_type = "range"
+        self.init_config()
+        self.inputs = {
+            'Start': np.array([self.case[0]]).astype(self.dtype),
+            'End': np.array([self.case[1]]).astype(self.dtype),
+            'Step': np.array([self.case[2]]).astype(self.dtype),
+        }
+
+        self.outputs = {
+            'Out': np.arange(self.case[0], self.case[1], self.case[2]).astype(
+                self.dtype
+            )
+        }
+
+    def init_config(self):
+        self.dtype = np.float32
+        self.python_api = partial(arange_wrapper, dtype=self.dtype)
+        self.case = (0, 1, 0.2)
+
+    def test_check_output(self):
+        self.check_output()
+
+
+class TestFloatRangeOpCase0(TestRangeOp):
+    def init_config(self):
+        self.dtype = np.float32
+        self.python_api = partial(arange_wrapper, dtype=self.dtype)
+        self.case = (0, 5, 1)
+
+
+class TestInt32RangeOpCase0(TestRangeOp):
+    def init_config(self):
+        self.dtype = np.int32
+        self.python_api = partial(arange_wrapper, dtype=self.dtype)
+        self.case = (0, 5, 2)
+
+
+class TestInt32RangeOpCase1(TestRangeOp):
+    def init_config(self):
+        self.dtype = np.int32
+        self.python_api = partial(arange_wrapper, dtype=self.dtype)
+        self.case = (10, 1, -2)
+
+
+class TestInt32RangeOpCase2(TestRangeOp):
+    def init_config(self):
+        self.dtype = np.int32
+        self.python_api = partial(arange_wrapper, dtype=self.dtype)
+        self.case = (-1, -10, -2)
+
+
+if __name__ == "__main__":
+    unittest.main()