[Python-checkins] r43725 - sandbox/trunk/overload/time_overloading.py (original) (raw)
guido.van.rossum python-checkins at python.org
Sat Apr 8 00:36:38 CEST 2006
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Author: guido.van.rossum Date: Sat Apr 8 00:36:38 2006 New Revision: 43725
Modified: sandbox/trunk/overload/time_overloading.py Log: Add an accelerated version which is faster than the manual version.
Modified: sandbox/trunk/overload/time_overloading.py
--- sandbox/trunk/overload/time_overloading.py (original) +++ sandbox/trunk/overload/time_overloading.py Sat Apr 8 00:36:38 2006 @@ -24,7 +24,7 @@ @automatic.register(C, B) def methodCB(x, y): return "CB"
-# Quick test that it works correct +# Quick test that it works correctly assert automatic(C(), B()) == "CB" assert automatic(A(), C()) == "AC" try: @@ -34,6 +34,22 @@ else: assert False
+def accelerated(x, y):
- func = automatic.cache.get((type(x), type(y)))
- if func is not None:
return func(x, y)- return automatic(x, y)
- +# Another quick test
+assert accelerated(C(), B()) == "CB" +assert accelerated(A(), C()) == "AC" +try:
- accelerated(C(), C())
+except TypeError:
- pass
+else:
- assert False
- def manual(x, y): if isinstance(x, C): if isinstance(y, B):
@@ -48,6 +64,11 @@ return methodAB(x, y) return default(x, y)
+# Quick test that the manual version works correctly +assert manual(C(), B()) == "CB" +assert manual(A(), C()) == "AC" + +# Test fixture def run(func, C1, C2): timeit.test_func = func timeit.test_arg1 = C1() @@ -59,6 +80,7 @@ C2.name, result)
+# Test runs print '-'*20 run(manual, C, B) run(manual, A, A) @@ -70,3 +92,9 @@ run(automatic, A, A) run(automatic, A, B) run(automatic, A, C) + +print '-'*20 +run(accelerated, C, B) +run(accelerated, A, A) +run(accelerated, A, B) +run(accelerated, A, C)
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