test cases for 'import as'

tests/run/importas.pyx

+__doc__ = u"""
+>>> import sys as sous
+>>> import distutils.core as corey
+>>> from copy import copy as copey
+
+>>> sous is _sous
+True
+>>> corey is _corey
+True
+>>> copey is _copey
+True
+
+>>> _sous is not None
+True
+>>> _corey is not None
+True
+>>> _copey is not None
+True
+"""
+
+import sys as _sous
+import distutils.core as _corey
+from copy import copy as _copey