test_internals.py 文件源码

def test_equals_block_order_different_dtypes(self):
        # GH 9330

        mgr_strings = [
            "a:i8;b:f8",  # basic case
            "a:i8;b:f8;c:c8;d:b",  # many types
            "a:i8;e:dt;f:td;g:string",  # more types
            "a:i8;b:category;c:category2;d:category2",  # categories
            "c:sparse;d:sparse_na;b:f8",  # sparse
        ]

        for mgr_string in mgr_strings:
            bm = create_mgr(mgr_string)
            block_perms = itertools.permutations(bm.blocks)
            for bm_perm in block_perms:
                bm_this = BlockManager(bm_perm, bm.axes)
                self.assertTrue(bm.equals(bm_this))
                self.assertTrue(bm_this.equals(bm))