modify Error given on range limit

zopefoundation · Oct 2, 2018 · 46f1d83 · 46f1d83
1 parent 1d3d7b6
commit 46f1d83
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/src/RestrictedPython/Limits.py b/src/RestrictedPython/Limits.py
@@ -31,7 +31,7 @@ def limited_range(iFirst, *args):
     if iLen < 0:
         iLen = 0
     if iLen >= RANGELIMIT:
-        raise ValueError('range() too large')
+        raise OverflowError('To be created range() object would be to large, in RestrictedPython we only allow ' + str(RANGELIMIT) + ' elements in a range.')  # NOQA: E501
     return range(iStart, iEnd, iStep)
 
 

diff --git a/tests/builtins/test_limits.py b/tests/builtins/test_limits.py
@@ -46,8 +46,9 @@ def test_limited_range_zero_step():
 
 
 def test_limited_range_range_overflow():
-    with pytest.raises(ValueError):
+    with pytest.raises(OverflowError) as excinfo:
         limited_range(0, 5000, 1)
+    assert 'To be created range() object would be to large, in RestrictedPython we only allow 1000 elements in a range.' in str(excinfo.value)  # NOQA: E501
 
 
 def test_limited_list_valid_list_input():