diff --git a/ts-activex/jscript-extensions-tests.ts b/ts-activex/jscript-extensions-tests.ts
new file mode 100644
index 0000000000..1e4fa6a41d
--- /dev/null
+++ b/ts-activex/jscript-extensions-tests.ts
@@ -0,0 +1,5 @@
+/// <reference path="jscript-extensions.d.ts" />
+
+var x: VarDate;
+var dte = new Date(x);
+x = dte.getVarDate();
\ No newline at end of file