add hg and python

1 files changed, 36 insertions, 0 deletions

diff --git a/sys/lib/python/test/test_hash.py b/sys/lib/python/test/test_hash.py
new file mode 100644
index 000000000..3d6c9d1b6
--- /dev/null
+++ b/sys/lib/python/test/test_hash.py
@@ -0,0 +1,36 @@
+# test the invariant that
+#   iff a==b then hash(a)==hash(b)
+#
+
+import unittest
+from test import test_support
+
+
+class HashEqualityTestCase(unittest.TestCase):
+
+    def same_hash(self, *objlist):
+        # Hash each object given and fail if
+        # the hash values are not all the same.
+        hashed = map(hash, objlist)
+        for h in hashed[1:]:
+            if h != hashed[0]:
+                self.fail("hashed values differ: %r" % (objlist,))
+
+    def test_numeric_literals(self):
+        self.same_hash(1, 1L, 1.0, 1.0+0.0j)
+
+    def test_coerced_integers(self):
+        self.same_hash(int(1), long(1), float(1), complex(1),
+                       int('1'), float('1.0'))
+
+    def test_coerced_floats(self):
+        self.same_hash(long(1.23e300), float(1.23e300))
+        self.same_hash(float(0.5), complex(0.5, 0.0))
+
+
+def test_main():
+    test_support.run_unittest(HashEqualityTestCase)
+
+
+if __name__ == "__main__":
+    test_main()