USING: io.encodings.utf8 tools.test io.encodings.string strings arrays
bootstrap.unicode kernel sequences ;
IN: io.encodings.utf8.tests

: decode-utf8-w/stream ( array -- newarray )
    utf8 decode >array ;

: encode-utf8-w/stream ( array -- newarray )
    >string utf8 encode >array ;

[ { CHAR: replacement-character } ] [ { 0b11110,101 0b10,111111 0b10,000000 0b11111111 } decode-utf8-w/stream ] unit-test

[ "x" ] [ "x" decode-utf8-w/stream >string ] unit-test

[ { 0b11111000000 } ] [ { 0b110,11111 0b10,000000 } decode-utf8-w/stream >array ] unit-test

[ { CHAR: replacement-character } ] [ { 0b10000000 } decode-utf8-w/stream ] unit-test

[ { 0b1111000000111111 } ] [ { 0b1110,1111 0b10,000000 0b10,111111 } decode-utf8-w/stream >array ] unit-test

[ { 0b11110,101 0b10,111111 0b10,000000 0b10,111111 0b1110,1111 0b10,000000 0b10,111111 0b110,11111 0b10,000000 CHAR: x } ]
[ { 0b101111111000000111111 0b1111000000111111 0b11111000000 CHAR: x } encode-utf8-w/stream ] unit-test

[ 3 ] [ 1 "日本語" >utf8-index ] unit-test
[ 3 ] [ 9 "日本語" utf8-index> ] unit-test

[ 3 ] [ 2 "lápis" >utf8-index ] unit-test

[ V{ } ] [ 100000 iota [ [ code-point-length ] [ 1string utf8 encode length ] bi = not ] filter ] unit-test

[ { CHAR: replacement-character } ] [ { 0b110,00000 0b10,000000 } decode-utf8-w/stream ] unit-test
[ { CHAR: replacement-character } ] [ { 0b110,00001 0b10,111111 } decode-utf8-w/stream ] unit-test
[ { 0x80 } ] [ { 0b110,00010 0b10,000000 } decode-utf8-w/stream ] unit-test

[ { CHAR: replacement-character } ] [ { 0b1110,0000 0b10,000000 0b10,000000 } decode-utf8-w/stream ] unit-test
[ { CHAR: replacement-character } ] [ { 0b1110,0000 0b10,011111 0b10,111111 } decode-utf8-w/stream ] unit-test
[ { 0x800 } ] [ { 0b1110,0000 0b10,100000 0b10,000000 } decode-utf8-w/stream ] unit-test

[ { CHAR: replacement-character } ] [ { 0b11110,000 0b10,000000 0b10,000000 0b10,000000 } decode-utf8-w/stream ] unit-test
[ { CHAR: replacement-character } ] [ { 0b11110,000 0b10,001111 0b10,111111 0b10,111111 } decode-utf8-w/stream ] unit-test
[ { CHAR: replacement-character } ] [ { 0b11110,100 0b10,010000 0b10,000000 0b10,000000 } decode-utf8-w/stream ] unit-test
[ { 0x10000 } ] [ { 0b11110,000 0b10,010000 0b10,000000 0b10,000000 } decode-utf8-w/stream ] unit-test
[ { 0x10FFFF } ] [ { 0b11110,100 0b10,001111 0b10,111111 0b10,111111 } decode-utf8-w/stream ] unit-test