Bug 1123875 - Add a test for strict assignment to a readonly WebIDL attribute. r=peterv.

--HG-- extra : rebase_source : 3da66c3cd20099f907f58cdc0de2ce31e3bf95a8
2015-03-26 06:13:18 -05:00 · 2015-03-26 06:13:18 -05:00 · 68464c731e
--- a/dom/bindings/test/mochitest.ini
+++ b/dom/bindings/test/mochitest.ini
@ -23,6 +23,7 @@ skip-if = debug == false
 [test_bug963382.html]
 skip-if = debug == false
 [test_bug1041646.html]
+[test_bug1123875.html]
 [test_barewordGetsWindow.html]
 [test_callback_default_thisval.html]
 [test_cloneAndImportNode.html]
--- a/dom/bindings/test/test_bug1123875.html
+++ b/dom/bindings/test/test_bug1123875.html
@ -0,0 +1,14 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>Test for Bug 1123875</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<div id=log></div>
+<script>
+  test(() => {
+    assert_throws(new TypeError, () => {
+      "use strict";
+      document.childNodes.length = 0;
+    });
+  }, "setting a readonly attribute on a proxy in strict mode should throw a TypeError");
+</script>