def METHOD_NAME(test_images):
    F = iio.formats["BSDF"]
    assert F.name == "BSDF"
    fname1 = test_images / "chelsea.bsdf"
    assert F.can_read(core.Request(fname1, "rI"))
    assert F.can_write(core.Request(fname1, "wI"))
    assert F.can_read(core.Request(fname1, "ri"))
    assert F.can_read(core.Request(fname1, "rv"))
    assert type(iio.formats[".bsdf"]) is type(F)
    assert type(iio.formats.search_write_format(core.Request(fname1, "wi"))) is type(F)
    assert type(iio.formats.search_read_format(core.Request(fname1, "ri"))) is type(F)
    assert type(iio.formats.search_write_format(core.Request(fname1, "wI"))) is type(F)
    assert type(iio.formats.search_read_format(core.Request(fname1, "rI"))) is type(F)