USING: arrays kernel math roman roman.private sequences tools.test ;

[ "i" ] [ 1 >roman ] unit-test
[ "ii" ] [ 2 >roman ] unit-test
[ "iii" ] [ 3 >roman ] unit-test
[ "iv" ] [ 4 >roman ] unit-test
[ "v" ] [ 5 >roman ] unit-test
[ "vi" ] [ 6 >roman ] unit-test
[ "vii" ] [ 7 >roman ] unit-test
[ "viii" ] [ 8 >roman ] unit-test
[ "ix" ] [ 9 >roman ] unit-test
[ "x" ] [ 10 >roman ] unit-test
[ "mdclxvi" ] [ 1666 >roman ] unit-test
[ "mmmcdxliv" ] [ 3444 >roman ] unit-test
[ "mmmcmxcix" ] [ 3999 >roman ] unit-test
[ "MMMCMXCIX" ] [ 3999 >ROMAN ] unit-test
[ 3999 ] [ 3999 >ROMAN roman> ] unit-test
[ 1 ] [ 1 >roman roman> ] unit-test
[ 2 ] [ 2 >roman roman> ] unit-test
[ 3 ] [ 3 >roman roman> ] unit-test
[ 4 ] [ 4 >roman roman> ] unit-test
[ 5 ] [ 5 >roman roman> ] unit-test
[ 6 ] [ 6 >roman roman> ] unit-test
[ 7 ] [ 7 >roman roman> ] unit-test
[ 8 ] [ 8 >roman roman> ] unit-test
[ 9 ] [ 9 >roman roman> ] unit-test
[ 10 ] [ 10 >roman roman> ] unit-test
[ 1666 ] [ 1666 >roman roman> ] unit-test
[ 3444 ] [ 3444 >roman roman> ] unit-test
[ 3999 ] [ 3999 >roman roman> ] unit-test
[ 0 >roman ] must-fail
[ 4000 >roman ] must-fail
[ "vi" ] [ "iii" "iii"  roman+ ] unit-test
[ "viii" ] [ "x" "ii"  roman- ] unit-test
[ "ix" ] [ "iii" "iii"  roman* ] unit-test
[ "i" ] [ "iii" "ii" roman/i ] unit-test
[ "i" "ii" ] [ "v" "iii"  roman/mod ] unit-test
[ "iii" "iii"  roman- ] must-fail

[ 30 ] [ ROMAN: xxx ] unit-test