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changeset 9383:8234757e613a

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Allow wcwidth to return -1 in some cases.
author Bruno Haible <bruno@clisp.org>
date Sun, 21 Oct 2007 21:37:48 +0200
parents f31fd684022b
children e5e1a09aa484
files ChangeLog tests/test-wcwidth.c
diffstat 2 files changed, 6 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- 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.
 
--- 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.  */