# Copyright (c) OpenMMLab. All rights reserved.
import torch
from mmpretrain.models.utils import ConditionalPositionEncoding
def test_conditional_position_encoding_module():
CPE = ConditionalPositionEncoding(in_channels=32, embed_dims=32, stride=2)
outs = CPE(torch.randn(1, 3136, 32), (56, 56))
assert outs.shape == torch.Size([1, 784, 32])
