Add tests for slice

Author: HyeockJinKim

py/tests/slice.py

@@ -13,4 +13,15 @@
 assert a.stop == 10
 assert a.step == 1
 
+assert slice(1).__eq__(slice(1))
+assert slice(1) != slice(2)
+assert slice(1) == slice(None, 1, None)
+assert slice(0, 0, 0) == slice(0, 0, 0)
+
+assert slice(0, 0, 1) != slice(0, 0, 0)
+assert slice(0, 1, 0) != slice(0, 0, 0)
+assert slice(1, 0, 0) != slice(0, 0, 0)
+assert slice(0).__ne__(slice(1))
+assert slice(0, None, 3).__ne__(slice(0, 0, 3))
+
 doc="finished"