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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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"""Test code for util"""

import topi


def verify_get_shape(src_shape, src_layout, dst_layout, expect_shape):
    dst_shape = topi.util.get_shape(src_shape, src_layout, dst_layout)
    assert dst_shape == expect_shape, \
        "Shape mismatch: expecting %s but got %s" % (expect_shape, dst_shape)


def test_get_shape():
    verify_get_shape((1, 3, 224, 224), "NCHW", "NCHW", (1, 3, 224, 224))
    verify_get_shape((1, 3, 224, 224), "NCHW", "NHWC", (1, 224, 224, 3))
    verify_get_shape((3, 2, 32, 48, 16), "NCHW16c", "NC16cWH", (3, 2, 16, 48, 32))
    verify_get_shape((2, 3, 32, 32, 16, 8), "OIHW16i8o", "HWO8oI16i", (32, 32, 2, 8, 3, 16))

if __name__ == "__main__":
    test_get_shape()