\ xchar word test suite - UTF-8 only hex { 0 xc-size -> 1 } { 7f xc-size -> 1 } { 80 xc-size -> 2 } { 7ff xc-size -> 2 } { 800 xc-size -> 3 } { ffff xc-size -> 3 } { 10000 xc-size -> 4 } { 1fffff xc-size -> 4 } : test-string s" 恭喜发财!" ; { test-string drop xc@+ swap xc@+ swap xc@+ swap xc@+ swap xc@+ nip -> 606D 559C 53D1 8D22 21 } { ffff pad 4 xc!+? -> pad 3 + 1 true } { test-string drop xchar+ -> test-string drop 3 + } { test-string drop xchar+ xchar- -> test-string drop } { test-string +x/string -> test-string 3 /string } { test-string x\string- x\string- -> test-string 4 - } { test-string x-size -> 3 } { test-string -trailing-garbage -> test-string } { test-string 2 - -trailing-garbage -> test-string 4 - } { 0. <# s" Test" holds #> s" Test" compare -> 0 } { 0. <# 606D xhold #> s" 恭" compare -> 0 } { 606D xc-width -> 2 } { 41 xc-width -> 1 } { 2060 xc-width -> 0 } { test-string x-width -> 9 }