Suppress testing 64-bit values in OLBTrees on 32 bit machines.

Fixes #9 (I hope).

BTrees/tests/common.py

@@ -12,6 +12,9 @@
 #
 ##############################################################################
 
+import platform
+
+
 def _skip_wo_ZODB(test_method): #pragma NO COVER
     try:
         import ZODB
@@ -32,6 +35,13 @@ def _skip_under_Py3k(test_method): #pragma NO COVER
     else:
         return test_method
 
+def _skip_on_32_bits(test_method): #pragma NO COVER
+    if platform.architecture()[0] == '32bit':
+        def _dummy(*args):
+            pass
+        return _dummy
+    return test_method
+
 
 class Base(object):
     # Tests common to all types: sets, buckets, and BTrees

BTrees/tests/test_OLBTree.py

@@ -27,6 +27,7 @@ from .common import TestLongIntValues
 from .common import Weighted
 from .common import itemsToSet
 from .common import makeBuilder
+from .common import _skip_on_32_bits
 
 
 class OLBTreeInternalKeyTest(InternalKeysMappingTest, unittest.TestCase):
@@ -108,6 +109,7 @@ class OLBTreeTest(BTreeTests, TestLongIntValues, unittest.TestCase):
     def getTwoKeys(self):
         return "abc", "def"
 
+    @_skip_on_32_bits
     def test_extremes(self):
         from BTrees.tests.common import SMALLEST_64_BITS
         from BTrees.tests.common import SMALLEST_POSITIVE_65_BITS

CHANGES.rst

@@ -4,7 +4,8 @@
 4.1.2 (unreleased)
 ------------------
 
-- TBD
+- Suppress testing 64-bit values in OLBTrees on 32 bit machines.
+  See:  https://github.com/zopefoundation/BTrees/issues/9
 
 
 4.1.1 (2014-12-27)