From be8efac78d067c138ad8dda03df4336e73f94887 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff.email>
Date: Sat, 8 Jan 2022 11:51:07 +0100
Subject: New upstream version 1.0

---
 tests/unigbrk/test-uc-is-grapheme-break.c | 33 ++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

(limited to 'tests/unigbrk/test-uc-is-grapheme-break.c')

diff --git a/tests/unigbrk/test-uc-is-grapheme-break.c b/tests/unigbrk/test-uc-is-grapheme-break.c
index 55defb3d..70bd5197 100644
--- a/tests/unigbrk/test-uc-is-grapheme-break.c
+++ b/tests/unigbrk/test-uc-is-grapheme-break.c
@@ -1,5 +1,5 @@
 /* Grapheme cluster break function test.
-   Copyright (C) 2010-2018 Free Software Foundation, Inc.
+   Copyright (C) 2010-2022 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published
@@ -21,10 +21,13 @@
 /* Specification. */
 #include <unigbrk.h>
 
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+#include "unictype.h"
+
 const char *
 graphemebreakproperty_to_string (int gbp)
 {
@@ -86,7 +89,9 @@ main (int argc, char *argv[])
       char *comment;
       const char *p;
       ucs4_t prev;
-      int last_compchar_prop;
+      int last_char_prop;
+      bool emoji_modifier_sequence;
+      bool emoji_modifier_sequence_before_last_char;
       size_t ri_count;
 
       lineno++;
@@ -97,7 +102,9 @@ main (int argc, char *argv[])
       if (line[strspn (line, " \t\r\n")] == '\0')
         continue;
 
-      last_compchar_prop = -1;
+      last_char_prop = -1;
+      emoji_modifier_sequence = false;
+      emoji_modifier_sequence_before_last_char = false;
       ri_count = 0;
       prev = 0;
       p = line;
@@ -144,13 +151,14 @@ main (int argc, char *argv[])
               next = next_int;
             }
 
-          if ((last_compchar_prop == GBP_EB
-               || last_compchar_prop == GBP_EBG)
-              && uc_graphemeclusterbreak_property (next) == GBP_EM)
+          /* Skip unsupported rules involving 3 or more characters.  */
+          if (last_char_prop == GBP_ZWJ
+              && emoji_modifier_sequence_before_last_char
+              && uc_is_property_extended_pictographic (next))
             {
               int prev_gbp = uc_graphemeclusterbreak_property (prev);
               int next_gbp = uc_graphemeclusterbreak_property (next);
-              fprintf (stderr, "%s:%d: skipping GB10: should join U+%04X (%s) "
+              fprintf (stderr, "%s:%d: skipping GB11: should join U+%04X (%s) "
                        "and U+%04X (%s)\n",
                        filename, lineno,
                        prev, graphemebreakproperty_to_string (prev_gbp),
@@ -183,10 +191,13 @@ main (int argc, char *argv[])
           p += strspn (p, " \t\r\n");
           prev = next;
 
-          if (!(uc_graphemeclusterbreak_property (next) == GBP_EXTEND
-                && (last_compchar_prop == GBP_EB
-                    || last_compchar_prop == GBP_EBG)))
-            last_compchar_prop = uc_graphemeclusterbreak_property (next);
+          emoji_modifier_sequence_before_last_char = emoji_modifier_sequence;
+          emoji_modifier_sequence =
+            (emoji_modifier_sequence
+             && uc_graphemeclusterbreak_property (next) == GBP_EXTEND)
+            || uc_is_property_extended_pictographic (next);
+
+          last_char_prop = uc_graphemeclusterbreak_property (next);
 
           if (uc_graphemeclusterbreak_property (next) == GBP_RI)
             ri_count++;
-- 
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