1 files changed, 39 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/test/browser_markup_tag_edit_13-other.js b/devtools/client/inspector/markup/test/browser_markup_tag_edit_13-other.js
new file mode 100644
index 0000000000..50c657eb5f
--- /dev/null
+++ b/devtools/client/inspector/markup/test/browser_markup_tag_edit_13-other.js
@@ -0,0 +1,39 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that doesn't fit into any specific category.
+
+const TEST_URL = `data:text/html;charset=utf8,
+                  <div a b id='order' c class></div>`;
+
+add_task(async function () {
+  const { inspector } = await openInspectorForURL(TEST_URL);
+
+  await testOriginalAttributesOrder(inspector);
+  await testOrderAfterAttributeChange(inspector);
+});
+
+async function testOriginalAttributesOrder(inspector) {
+  info("Testing order of attributes on initial node render");
+
+  const attributes = await getAttributesFromEditor("#order", inspector);
+  ok(isEqual(attributes, ["id", "class", "a", "b", "c"]), "ordered correctly");
+}
+
+async function testOrderAfterAttributeChange(inspector) {
+  info("Testing order of attributes after attribute is change by setAttribute");
+
+  await setContentPageElementAttribute("#order", "a", "changed");
+
+  const attributes = await getAttributesFromEditor("#order", inspector);
+  ok(
+    isEqual(attributes, ["id", "class", "a", "b", "c"]),
+    "order isn't changed"
+  );
+}
+
+function isEqual(a, b) {
+  return a.toString() === b.toString();
+}