1 files changed, 2 insertions, 0 deletions
diff --git a/js/test/Ice/proxy/Client.js b/js/test/Ice/proxy/Client.js
index e96681dc8e5..ea395d33685 100644
--- a/js/test/Ice/proxy/Client.js
+++ b/js/test/Ice/proxy/Client.js
@@ -722,6 +722,8 @@
             test(cl.equals(base));
             test(derived.equals(base));
             test(cl.equals(derived));
+            let f = await Test.MyDerivedClassPrx.checkedCast(cl, "facet");
+            test(f === null);
             out.writeLine("ok");
 
             out.write("testing checked cast with context... ");