1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/non262/Date/prototype-is-not-a-date.js b/js/src/tests/non262/Date/prototype-is-not-a-date.js
new file mode 100644
index 0000000000..26f0c3e859
--- /dev/null
+++ b/js/src/tests/non262/Date/prototype-is-not-a-date.js
@@ -0,0 +1,15 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var BUGNUMBER = 861219;
+var summary = "Date.prototype isn't an instance of Date";
+
+print(BUGNUMBER + ": " + summary);
+
+assertEq(Date.prototype instanceof Date, false);
+assertEq(Date.prototype.__proto__, Object.prototype);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);