1 files changed, 16 insertions, 0 deletions
diff --git a/tests/js/tjsffi.nim b/tests/js/tjsffi.nim
index 2420c60f6..8bd40a3c4 100644
--- a/tests/js/tjsffi.nim
+++ b/tests/js/tjsffi.nim
@@ -22,6 +22,13 @@ true
 Event { name: 'click: test' }
 Event { name: 'reloaded: test' }
 Event { name: 'updates: test' }
+true
+true
+true
+true
+true
+true
+true
 '''
 """
 
@@ -317,3 +324,12 @@ block:
   jslib.subscribe("updates"):
     console.log jsarguments[0]
 
+block:
+
+  echo jsUndefined == jsNull
+  echo jsUndefined == nil
+  echo jsNull == nil
+  echo jsUndefined.isNil
+  echo jsNull.isNil
+  echo jsNull.isNull
+  echo jsUndefined.isUndefined