test_indexing.py 文件源码

def _check_single_index(self, arr, index):
        """Check a single index item getting and simple setting.

        Parameters
        ----------
        arr : ndarray
            Array to be indexed, must be an arange.
        index : indexing object
            Index being tested. Must be a single index and not a tuple
            of indexing objects (see also `_check_multi_index`).
        """
        try:
            mimic_get, no_copy = self._get_multi_index(arr, (index,))
        except Exception:
            if HAS_REFCOUNT:
                prev_refcount = sys.getrefcount(arr)
            assert_raises(Exception, arr.__getitem__, index)
            assert_raises(Exception, arr.__setitem__, index, 0)
            if HAS_REFCOUNT:
                assert_equal(prev_refcount, sys.getrefcount(arr))
            return

        self._compare_index_result(arr, index, mimic_get, no_copy)