1 files changed, 4 insertions, 0 deletions
diff --git a/test/tattr.c b/test/tattr.c
index d448397..12350c3 100644
--- a/test/tattr.c
+++ b/test/tattr.c
@@ -3303,6 +3303,10 @@ test_attr_deprec(hid_t fcpl, hid_t fapl)
     CHECK(dataset, FAIL, "H5Dopen2");
 
 
+    /* Get number of attributes with bad ID */
+    ret = H5Aget_num_attrs(-1);
+    VERIFY(ret, FAIL, "H5Aget_num_attrs");
+
     /* Get number of attributes */
     ret = H5Aget_num_attrs(dataset);
     VERIFY(ret, 1, "H5Aget_num_attrs");