Avoid a test failure on AIX.

diff --git a/tests/test-mbrtowc.c b/tests/test-mbrtowc.c
index 4bff83f..a38b964 100644 (file)
--- a/tests/test-mbrtowc.c
+++ b/tests/test-mbrtowc.c
@@ -53,7 +53,10 @@ main (int argc, char *argv[])
     memset (&state, '\0', sizeof (mbstate_t));
     wc = 0xBADFACE;
     ret = mbrtowc (&wc, "x", 0, &state);
-    ASSERT (ret == (size_t)(-2) || ret == 0);
+    /* gnulib's implementation returns (size_t)(-2).
+       The AIX 5.1 implementation returns (size_t)(-1).
+       glibc's implementation returns 0.  */
+    ASSERT (ret == (size_t)(-2) || ret == (size_t)(-1) || ret == 0);
     ASSERT (mbsinit (&state));
   }