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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()