Test suite: Print better info on t-ref-same failure

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/tests/lib b/tests/lib
index 6b31c9d8635504862328ffbb750e677b4c4da42e..7b7bcfbaafecb5f5778a44fecb71f263a7abd72d 100644 (file)
--- a/tests/lib
+++ b/tests/lib
@@ -399,7 +399,8 @@ t-ref-same-val () {
        case "$t_ref_val" in
        '')             ;;
        "$val")         ;;
-       *)              fail "ref varies: $name: $val != $t_ref_val" ;;
+       *)              fail "ref varies: $name:\
+ ${val:-nothing} != ${t_ref_val:-nothing}" ;;
        esac
        t_ref_val="$val"
 }