algorithms.c: Set `KSZ.max' to `None' to indicate no bound.

[catacomb-python] / t / t-algorithms.py

diff --git a/t/t-algorithms.py b/t/t-algorithms.py
index 3301228..cff1ebd 100644 (file)
--- a/t/t-algorithms.py
+++ b/t/t-algorithms.py
@@ -38,7 +38,7 @@ def bad_key_size(ksz):
   if isinstance(ksz, C.KeySZAny): return None
   elif isinstance(ksz, C.KeySZRange):
     if ksz.mod != 1: return ksz.min + 1
-    elif ksz.max != 0: return ksz.max + 1
+    elif ksz.max is not None: return ksz.max + 1
     elif ksz.min != 0: return ksz.min - 1
     else: return None
   elif isinstance(ksz, C.KeySZSet):
@@ -52,7 +52,7 @@ def different_key_size(ksz, sz):
   if isinstance(ksz, C.KeySZAny): return sz + 1
   elif isinstance(ksz, C.KeySZRange):
     if sz > ksz.min: return sz - ksz.mod
-    elif ksz.max == 0 or sz < ksz.max: return sz + ksz.mod
+    elif ksz.max is None or sz < ksz.max: return sz + ksz.mod
     else: return None
   elif isinstance(ksz, C.KeySZSet):
     for sz1 in sorted(ksz.set):
@@ -145,7 +145,7 @@ class TestKeysize (U.TestCase):
     me.assertEqual(type(ksz), C.KeySZAny)
     me.assertEqual(ksz.default, 20)
     me.assertEqual(ksz.min, 0)
-    me.assertEqual(ksz.max, 0)
+    me.assertEqual(ksz.max, None)
     for n in [0, 12, 20, 5000]:
       me.assertTrue(ksz.check(n))
       me.assertEqual(ksz.best(n), n)
@@ -157,7 +157,7 @@ class TestKeysize (U.TestCase):
     me.assertEqual(type(ksz), C.KeySZAny)
     me.assertEqual(ksz.default, 32)
     me.assertEqual(ksz.min, 0)
-    me.assertEqual(ksz.max, 0)
+    me.assertEqual(ksz.max, None)
     for n in [0, 12, 20, 5000]:
       me.assertTrue(ksz.check(n))
       me.assertEqual(ksz.best(n), n)
@@ -167,7 +167,7 @@ class TestKeysize (U.TestCase):
     ksz = C.KeySZAny(15)
     me.assertEqual(ksz.default, 15)
     me.assertEqual(ksz.min, 0)
-    me.assertEqual(ksz.max, 0)
+    me.assertEqual(ksz.max, None)
     me.assertRaises(ValueError, lambda: C.KeySZAny(-8))
     me.assertEqual(C.KeySZAny(0).default, 0)
 
@@ -230,6 +230,11 @@ class TestKeysize (U.TestCase):
     me.assertEqual(ksz.min, 21)
     me.assertEqual(ksz.max, 35)
     me.assertEqual(ksz.mod, 7)
+    ksz = C.KeySZRange(28, 21, None, 7)
+    me.assertEqual(ksz.min, 21)
+    me.assertEqual(ksz.max, None)
+    me.assertEqual(ksz.mod, 7)
+    me.assertEqual(ksz.pad(36), 42)
     me.assertRaises(ValueError, C.KeySZRange, 29, 21, 35, 7)
     me.assertRaises(ValueError, C.KeySZRange, 28, 20, 35, 7)
     me.assertRaises(ValueError, C.KeySZRange, 28, 21, 34, 7)