1 files changed, 39 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_highlighter-06.js b/devtools/client/inspector/test/browser_inspector_highlighter-06.js
new file mode 100644
index 0000000000..11f1cee1a1
--- /dev/null
+++ b/devtools/client/inspector/test/browser_inspector_highlighter-06.js
@@ -0,0 +1,39 @@
+/* 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 browser remembers the previous scroll position after reload, even with
+// Inspector opened - Bug 1382341.
+// NOTE: Using a real file instead data: URL since the bug won't happen on data: URL
+const TEST_URI = URL_ROOT + "doc_inspector_highlighter_scroll.html";
+
+add_task(async function () {
+  const { inspector } = await openInspectorForURL(TEST_URI);
+
+  await scrollContentPageNodeIntoView(gBrowser.selectedBrowser, "a");
+  await selectAndHighlightNode("a", inspector);
+
+  const markupLoaded = inspector.once("markuploaded");
+
+  const y = await getPageYOffset();
+  isnot(y, 0, "window scrolled vertically.");
+
+  info("Reloading page.");
+  await reloadBrowser();
+
+  info("Waiting for markupview to load after reload.");
+  await markupLoaded;
+
+  const newY = await getPageYOffset();
+  is(y, newY, "window remember the previous scroll position.");
+});
+
+async function getPageYOffset() {
+  return SpecialPowers.spawn(
+    gBrowser.selectedBrowser,
+    [],
+    () => content.pageYOffset
+  );
+}