# Copyright (c) 2018, ETH Zurich and UNC Chapel Hill.
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# Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)

import numpy as np
from read_write_dense import read_array, write_array


def main():
    import sys
    if len(sys.argv) != 3:
        print("Usage: python test_read_write_dense.py "
              "path/to/dense/input.bin path/to/dense/output.bin")
        return

    print("Checking consistency of reading and writing dense arrays "
          + "(depth maps / normal maps) ...")

    path_to_dense_input = sys.argv[1]
    path_to_dense_output = sys.argv[2]

    dense_input = read_array(path_to_dense_input)
    print("Input shape: " + str(dense_input.shape))

    write_array(dense_input, path_to_dense_output)
    dense_output = read_array(path_to_dense_output)

    np.testing.assert_array_equal(dense_input, dense_output)

    print("... dense arrays are equal.")


if __name__ == "__main__":
    main()
