TST: numpy_test: run some of the buffer tests only when a sufficiently new...

TST: numpy_test: run some of the buffer tests only when a sufficiently new Numpy version is available

tests/run/numpy_test.pyx

@@ -193,27 +193,6 @@ try:
     ValueError: ...
 
 
-    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)], 
-          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))], 
-          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):
-        ...
-    ValueError: ...
-
-
     >>> test_good_cast()
     True
     >>> test_bad_cast()
@@ -231,6 +210,30 @@ try:
           dtype=[('x', '!f8'), ('y', '!f8')])
     
 """
+
+    if np.__version__ >= '1.6':
+        __doc__ += u"""
+        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)], 
+              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))], 
+              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):
+            ...
+        ValueError: ...
+        """
+
 except:
     __doc__ = u""