Add test for range

Author: HyeockJinKim

py/tests/range.py

@@ -38,4 +38,32 @@
 assert b[-2] == 6
 assert b[-1] == 8
 
+a = range(10)
+assert a[::-1][0] == 9
+assert a[::-1][9] == 0
+assert a[0:3][0] == 0
+assert a[0:3][2] == 2
+assert a[-3:10][0] == 7
+assert a[-100:13][0] == 0
+assert a[-100:13][9] == 9
+
+try:
+    a[0:3][3]
+except IndexError:
+    pass
+else:
+    assert False, "IndexError not raised"
+try:
+    a[100:13][0]
+except IndexError:
+    pass
+else:
+    assert False, "IndexError not raised"
+try:
+    a[0:3:0]
+except ValueError:
+    pass
+else:
+    assert False, "ValueError not raised"
+
 doc="finished"