-USING: tools.test unicode.breaks sequences math kernel ;
+USING: tools.test unicode.breaks sequences math kernel splitting
+unicode.categories io.pathnames io.encodings.utf8 io.files
+strings quotations math.parser locals ;
+IN: unicode.breaks.tests
[ "\u001112\u001161\u0011abA\u000300a\r\r\n" ]
[ "\r\n\raA\u000300\u001112\u001161\u0011ab" string-reverse ] unit-test
[ "dcba" ] [ "abcd" string-reverse ] unit-test
[ 3 ] [ "\u001112\u001161\u0011abA\u000300a"
dup last-grapheme head last-grapheme ] unit-test
+
+[ 3 ] [ 2 "hello" first-grapheme-from ] unit-test
+[ 1 ] [ 2 "hello" last-grapheme-from ] unit-test
+
+[ 4 ] [ 2 "what am I saying" first-word-from ] unit-test
+[ 0 ] [ 2 "what am I saying" last-word-from ] unit-test
+[ 16 ] [ 11 "what am I saying" first-word-from ] unit-test
+[ 10 ] [ 11 "what am I saying" last-word-from ] unit-test
+
+: grapheme-break-test ( -- filename )
+ "vocab:unicode/breaks/GraphemeBreakTest.txt" ;
+
+: word-break-test ( -- filename )
+ "vocab:unicode/breaks/WordBreakTest.txt" ;
+
+: parse-test-file ( file-name -- tests )
+ utf8 file-lines
+ [ "#" split1 drop ] map harvest [
+ "÷" split
+ [
+ "×" split
+ [ [ blank? ] trim hex> ] map
+ [ { f 0 } member? ] reject
+ >string
+ ] map
+ harvest
+ ] map ;
+
+:: test ( tests quot -- )
+ tests [
+ [ 1quotation ]
+ [ concat [ quot call [ "" like ] map ] curry ] bi unit-test
+ ] each ;
+
+: grapheme-test ( tests -- )
+ [
+ [ 1quotation ]
+ [ concat [ >graphemes [ "" like ] map ] curry ] bi unit-test
+ ] each ;
+
+grapheme-break-test parse-test-file [ >graphemes ] test
+word-break-test parse-test-file [ >words ] test
+
+[ { t f t t f t } ] [ 6 iota [ "as df" word-break-at? ] map ] unit-test