1 files changed, 28 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/test/browser_markup_remove_xul_attributes.js b/devtools/client/inspector/markup/test/browser_markup_remove_xul_attributes.js
new file mode 100644
index 000000000..b7065c683
--- /dev/null
+++ b/devtools/client/inspector/markup/test/browser_markup_remove_xul_attributes.js
@@ -0,0 +1,28 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test confirms that XUL attributes don't show up as empty
+// attributes after being deleted
+
+const TEST_URL = URL_ROOT + "doc_markup_xul.xul";
+
+add_task(function* () {
+  let {inspector, testActor} = yield openInspectorForURL(TEST_URL);
+
+  let panelFront = yield getNodeFront("#test", inspector);
+  ok(panelFront.hasAttribute("id"),
+     "panelFront has id attribute in the beginning");
+
+  info("Removing panel's id attribute");
+  let onMutation = inspector.once("markupmutation");
+  yield testActor.removeAttribute("#test", "id");
+
+  info("Waiting for markupmutation");
+  yield onMutation;
+
+  is(panelFront.hasAttribute("id"), false,
+     "panelFront doesn't have id attribute anymore");
+});