Disable some packed struct buffer format tests

tests/run/numpy_test.pyx

@@ -208,26 +208,29 @@ try:
     >>> test_point_record()
     array([(0.0, 0.0), (1.0, -1.0), (2.0, -2.0)], 
           dtype=[('x', '!f8'), ('y', '!f8')])
-    
+
 """
 
-    if np.__version__ >= '1.6':
+    if np.__version__ >= '1.6' and False:
         __doc__ += u"""
+        Tests are DISABLED as the buffer format parser does not align members
+        of aligned structs in padded structs in relation to the possibly
+        unaligned initial offset.
+
         The following expose bugs in Numpy (versions prior to 2011-04-02):
-        
         >>> print(test_partially_packed_align(np.zeros((1,), dtype=np.dtype([('a', 'b'), ('b', 'i'), ('sub', np.dtype('b,i')), ('c', 'i')], align=True))))
-        array([(22, 23, (24, 25), 26)], 
+        array([(22, 23, (24, 25), 26)],
               dtype=[('a', '|i1'), ('', '|V3'), ('b', '!i4'), ('sub', [('f0', '|i1'), ('f1', '!i4')]), ('', '|V3'), ('c', '!i4')])
-    
+
         >>> print(test_partially_packed_align_2(np.zeros((1,), dtype=np.dtype([('a', 'b'), ('b', 'i'), ('c', 'b'), ('sub', np.dtype('b,i', align=True))]))))
-        array([(22, 23, 24, (27, 28))], 
+        array([(22, 23, 24, (27, 28))],
               dtype=[('a', '|i1'), ('b', '!i4'), ('c', '|i1'), ('sub', [('f0', '|i1'), ('', '|V3'), ('f1', '!i4')])])
-    
+
         >>> print(test_partially_packed_align(np.zeros((1,), dtype=np.dtype([('a', 'b'), ('b', 'i'), ('sub', np.dtype('b,i')), ('c', 'i')], align=False)))) #doctest: +ELLIPSIS
         Traceback (most recent call last):
             ...
         ValueError: ...
-    
+
         >>> print(test_partially_packed_align_2(np.zeros((1,), dtype=np.dtype([('a', 'b'), ('b', 'i'), ('c', 'b'), ('sub', np.dtype('b,i', align=False))])))) #doctest: +ELLIPSIS
         Traceback (most recent call last):
             ...
@@ -257,7 +260,7 @@ def ndarray_str(arr):
     Since Py2.3 doctest don't support <BLANKLINE>, manually replace blank lines
     with <_BLANKLINE_>
     """
-    return unicode(arr).replace(u'\n\n', u'\n<_BLANKLINE_>\n')    
+    return unicode(arr).replace(u'\n\n', u'\n<_BLANKLINE_>\n')
 
 def basic():
     cdef object[int, ndim=2] buf = np.arange(10, dtype='i').reshape((2, 5))