From 035a07e263edd2ebb24c07862d9de6488d8bb203 Mon Sep 17 00:00:00 2001 From: Jeremy Hylton Date: Thu, 27 Apr 2000 21:40:08 +0000 Subject: add some more contains tests on the builtin types --- Lib/test/test_contains.py | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/Lib/test/test_contains.py b/Lib/test/test_contains.py index 31f3473..715fbbf 100644 --- a/Lib/test/test_contains.py +++ b/Lib/test/test_contains.py @@ -119,3 +119,50 @@ try: check(0, "u'ab' in 'abc' did not raise error") except TypeError: pass + +# A collection of tests on builtin sequence types +a = range(10) +for i in a: + check(i in a, "%s not in %s" % (`i`, `a`)) +check(16 not in a, "16 not in %s" % `a`) +check(a not in a, "%s not in %s" % (`a`, `a`)) + +a = tuple(a) +for i in a: + check(i in a, "%s not in %s" % (`i`, `a`)) +check(16 not in a, "16 not in %s" % `a`) +check(a not in a, "%s not in %s" % (`a`, `a`)) + +class Deviant1: + """Behaves strangely when compared + + This class is designed to make sure that the contains code + works when the list is modified during the check. + """ + + aLongList = range(15) + aShortList = range(5) + aList = aLongList + + def __cmp__(self, other): + if other == 12: + self.aList = self.aShortList + return 1 + +check(Deviant1() not in Deviant1.aList, "Deviant1 failed") + +class Deviant2: + """Behaves strangely when compared + + This class raises an exception during comparison. That in + turn causes the comparison to fail with a TypeError. + """ + + def __cmp__(self, other): + if other == 4: + raise RuntimeError, "gotcha" + +try: + check(Deviant2() not in a, "oops") +except TypeError: + pass -- cgit v0.12