1 files changed, 39 insertions, 0 deletions
diff --git a/test/unit/unicode_test.cc b/test/unit/unicode_test.cc
new file mode 100644
index 00000000..7c079305
--- /dev/null
+++ b/test/unit/unicode_test.cc
@@ -0,0 +1,39 @@
+#include <string.h>
+#include <stdio.h>
+#include <FL/fl_utf8.h>
+#include "../lout/unicode.hh"
+
+using namespace lout::unicode;
+
+int main (int argc, char *argv[])
+{
+   // 0-terminated string
+   const char *t1 = "abcäöüабв−‐";
+
+   // not 0-terminated; copy from 0-terminated
+   int t2len = strlen (t1);
+   char t2[t2len];
+   for (int i = 0; i < t2len; i++)
+      t2[i] = t1[i];
+
+   puts ("===== misc::unicode, 0-terminated =====");
+   for (const char *s = t1; s; s = nextUtf8Char (s))
+      printf ("%3d -> U+%04x ('%s')\n", (int)(s - t1), decodeUtf8(s), s);
+
+   puts ("===== Fltk, 0-terminated =====");
+   for (const char *s = t1; *s; s = fl_utf8fwd (s + 1, t1, t1 + strlen (t1)))
+      printf ("%3d -> U+%04x ('%s')\n", (int)(s - t1), decodeUtf8(s), s);
+
+   puts ("===== misc::unicode, not 0-terminated =====");
+   for (const char *s = t2; s; s = nextUtf8Char (s, t2len - (s - t2)))
+      printf ("%3d -> U+%04x\n", (int)(s - t2),
+              decodeUtf8(s, t2len - (s - t2)));
+
+   puts ("===== Fltk, not 0-terminated =====");
+   for (const char *s = t2; *s;
+        s - t2 < t2len && (s = fl_utf8fwd (s + 1, t2, t2 + t2len)))
+      printf ("%3d -> U+%04x\n", (int)(s - t2),
+              decodeUtf8(s, t2len - (s - t2)));
+
+   return 0;
+}