BOOST_CHECK (x ("/my/numeric999/path/00057.tif", "/my/numeric999/path/00166.tif"));
BOOST_CHECK (x ("1_01.tif", "1_02.tif"));
BOOST_CHECK (x ("EWS_DCP_092815_000000.j2c", "EWS_DCP_092815_000001.j2c"));
BOOST_CHECK (x ("/my/numeric999/path/00057.tif", "/my/numeric999/path/00166.tif"));
BOOST_CHECK (x ("1_01.tif", "1_02.tif"));
BOOST_CHECK (x ("EWS_DCP_092815_000000.j2c", "EWS_DCP_092815_000001.j2c"));