Work around lack of support of grouping flag.

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/test-snprintf-posix.h b/tests/test-snprintf-posix.h
index 36212dceeb..7b1370b88c 100644
--- a/tests/test-snprintf-posix.h
+++ b/tests/test-snprintf-posix.h
@@ -1006,4 +1006,14 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
     ASSERT (strcmp (result, "55 33") == 0);
     ASSERT (retval == strlen (result));
   }
+
+  /* Test the support of the grouping flag.  */
+
+  {
+    char result[100];
+    int retval =
+      my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
+    ASSERT (result[strlen (result) - 1] == '9');
+    ASSERT (retval == strlen (result));
+  }
 }