[pypy-svn] r25801 - pypy/dist/pypy/translator/goal

[stephan at codespeak.net]

Author: stephan
Date: Thu Apr 13 17:02:10 2006
New Revision: 25801

Added:
   pypy/dist/pypy/translator/goal/targetrdicttest.py
Log:
This simple test program shows bad rdict behaviour.


Added: pypy/dist/pypy/translator/goal/targetrdicttest.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/translator/goal/targetrdicttest.py	Thu Apr 13 17:02:10 2006
@@ -0,0 +1,67 @@
+from pypy.rpython.objectmodel import r_dict
+import os, sys
+import operator
+
+# __________  Entry point  __________
+
+def eq(arg1, arg2):
+    return arg1 == arg2
+
+def myhash(arg):
+    return arg.__hash__()
+
+class hashable(object):
+    def __hash__(self):
+        return 1
+
+class unhashable(hashable):
+    def __hash__(self):
+        raise TypeError
+        return 1
+
+def entry_point(argv):
+    mydict = r_dict(eq,myhash)
+    os.write(1,'test for exceptions raised by r_dict on unhashable objects\n')
+    hobj = hashable()
+    uhobj = unhashable()
+    mydict[hobj] = 'a' 
+    os.write(1,'test 1: hashing an unhashable object\n')
+    try:
+        myhash(uhobj) 
+    except KeyError:
+        os.write(1,'\tKeyError\n')
+    except TypeError:
+        os.write(1,'\tTypeError\n')
+    else:
+        os.write(1,'\tno exception\n')
+
+    os.write(1,'test 2: getitem with unhashable key:\n')
+    try:
+        mydict[uhobj] 
+    except KeyError:
+        os.write(1,'\tKeyError\n')
+    except TypeError:
+        os.write(1,'\tTypeError\n')
+    else:
+        os.write(1,'\tno exception\n')
+
+#   The Following can't be translated (for reasons I don't understand:
+#   it has to do with the assignment.
+#
+#    os.write(1,'test 1: setitem with unhashable key:\n')
+#    try:
+#        mydict[uhobj] = 'b'
+#    except KeyError:
+#        os.write(1,'\tKeyError\n')
+#    except TypeError:
+#        os.write(1,'\tTypeError\n')
+#    else:
+#        os.write(1,'\tno exception\n')
+#
+    return 0
+
+# _____ Define and setup target ___
+
+def target(*args):
+    return entry_point, None
+