1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/non262/Error/constructor-ordering.js b/js/src/tests/non262/Error/constructor-ordering.js
new file mode 100644
index 0000000000..dbcc2e6048
--- /dev/null
+++ b/js/src/tests/non262/Error/constructor-ordering.js
@@ -0,0 +1,17 @@
+var order = 0;
+function assertOrdering(ordering) {
+    assertEq(order, ordering);
+    order++;
+}
+
+// Spec mandates that the prototype is looked up /before/ we toString the
+// argument.
+var handler = { get() { assertOrdering(0); return Error.prototype } };
+var errorProxy = new Proxy(Error, handler);
+
+var toStringable = { toString() { assertOrdering(1); return "Argument"; } };
+
+new errorProxy(toStringable);
+
+if (typeof reportCompare === 'function')
+    reportCompare(0,0,"OK");