Allow wcwidth to return -1 in some cases.

diff --git a/ChangeLog b/ChangeLog
index a323203..3dbaf13 100644 (file)
--- 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
index 40c089d..50c0040 100644 (file)
--- a/tests/test-wcwidth.c
+++ b/tests/test-wcwidth.c
@@ -56,11 +56,11 @@ main ()
       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.  */