1 files changed, 32 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_highlighter-embed.js b/devtools/client/inspector/test/browser_inspector_highlighter-embed.js
new file mode 100644
index 0000000000..5da6d0ac08
--- /dev/null
+++ b/devtools/client/inspector/test/browser_inspector_highlighter-embed.js
@@ -0,0 +1,32 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Test that the highlighter can go inside <embed> elements
+
+const TEST_URL = URL_ROOT + "doc_inspector_embed.html";
+
+add_task(async function () {
+  const { inspector } = await openInspectorForURL(TEST_URL);
+
+  info("Get a node inside the <embed> element and select/highlight it");
+  const body = await getEmbeddedBody(inspector);
+  await selectAndHighlightNode(body, inspector);
+
+  const selectedNode = inspector.selection.nodeFront;
+  is(selectedNode.tagName.toLowerCase(), "body", "The selected node is <body>");
+  ok(
+    selectedNode.baseURI.endsWith("doc_inspector_menu.html"),
+    "The selected node is the <body> node inside the <embed> element"
+  );
+});
+
+async function getEmbeddedBody({ walker }) {
+  const embed = await walker.querySelector(walker.rootNode, "embed");
+  const { nodes } = await walker.children(embed);
+  const contentDoc = nodes[0];
+  const body = await walker.querySelector(contentDoc, "body");
+  return body;
+}