Issue #1717: Remove cmp. Stage 1: remove all uses of cmp and __cmp__ from
the standard library and tests.
diff --git a/Lib/unittest.py b/Lib/unittest.py
index fec41ca..ffb8a6c 100644
--- a/Lib/unittest.py
+++ b/Lib/unittest.py
@@ -539,12 +539,16 @@
return mycmp(self.obj, other.obj) == -1
return K
+def three_way_cmp(x, y):
+ """Return -1 if x < y, 0 if x == y and 1 if x > y"""
+ return (x > y) - (x < y)
+
class TestLoader(object):
"""This class is responsible for loading tests according to various
criteria and returning them wrapped in a TestSuite
"""
testMethodPrefix = 'test'
- sortTestMethodsUsing = cmp
+ sortTestMethodsUsing = staticmethod(three_way_cmp)
suiteClass = TestSuite
def loadTestsFromTestCase(self, testCaseClass):