1 files changed, 8 insertions, 2 deletions

diff --git a/testsuite/hostid/hostid-works b/testsuite/hostid/hostid-works
index e85698e66..bcfd717af 100644
--- a/testsuite/hostid/hostid-works
+++ b/testsuite/hostid/hostid-works
@@ -1,2 +1,8 @@
-test x$(hostid) = x$(busybox hostid)
-
+h=x$(busybox hostid)
+# Is $h a sequence of hex numbers?
+x="${h//[0123456789abcdef]/x}"
+x="${x//xxx/x}"
+x="${x//xxx/x}"
+x="${x//xxx/x}"
+x="${x//xx/x}"
+test x"$x" = x"x"