Merge branch 'ellipse_mask' of https://github.com/jiafatom/tensorflow-onnx into ellipse_mask

Author: jiafatom

tests/test_backend.py

@@ -1217,7 +1217,7 @@ def test_strided_slice6(self):
         x_ = x[2, :]
         _ = tf.identity(x_, name=_TFOUTPUT)
         self._run_test_case([_OUTPUT], {_INPUT: x_val})
-
+    
     @skip_caffe2_backend("multiple dims not supported")
     def test_strided_slice7(self):
         x_val = np.arange(5 * 6).astype("float32").reshape(5, 6)
@@ -1239,6 +1239,12 @@ def test_strided_slice7(self):
         _ = tf.identity(x_, name=_TFOUTPUT)
         self._run_test_case([_OUTPUT], {_INPUT: x_val})
 
+        tf.reset_default_graph()
+        x = tf.placeholder(tf.float32, x_val.shape, name=_TFINPUT)
+        x_ = tf.strided_slice(x, [0, 1], [3, 4], [1, 1], ellipsis_mask=2)
+        _ = tf.identity(x_, name=_TFOUTPUT)
+        self._run_test_case([_OUTPUT], {_INPUT: x_val})
+
     @skip_caffe2_backend("fails with schema error")
     @check_opset_min_version(7, "batchnorm")
     def test_batchnorm(self):