# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1192995468 -7200
# Node ID 8234757e613a2faf44bdaa3c7e73c74c8ebf3aff
# Parent  f31fd684022bc1f84aefec7f7ef04209915f45ab
Allow wcwidth to return -1 in some cases.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2007-10-21  Bruno Haible  <bruno@clisp.org>
 
+	* tests/test-wcwidth.c (main): Allow negative result for some control
+	characters.
+
 	* m4/wcwidth.m4 (gl_FUNC_WCWIDTH): Check also the width of U+200B.
 	Needed on OSF/1 5.1.
 
diff --git a/tests/test-wcwidth.c b/tests/test-wcwidth.c
--- a/tests/test-wcwidth.c
+++ b/tests/test-wcwidth.c
@@ -56,11 +56,11 @@
       ASSERT (wcwidth (0x05B0) == 0);
 
       /* Test width of some format control characters.  */
-      ASSERT (wcwidth (0x200E) == 0);
+      ASSERT (wcwidth (0x200E) <= 0);
       ASSERT (wcwidth (0x2060) == 0);
 #if 0  /* wchar_t may be only 16 bits.  */
-      ASSERT (wcwidth (0xE0001) == 0);
-      ASSERT (wcwidth (0xE0044) == 0);
+      ASSERT (wcwidth (0xE0001) <= 0);
+      ASSERT (wcwidth (0xE0044) <= 0);
 #endif
 
       /* Test width of some zero width characters.  */