1 files changed, 45 insertions, 0 deletions
diff --git a/docshell/test/browser/browser_timelineMarkers-01.js b/docshell/test/browser/browser_timelineMarkers-01.js
new file mode 100644
index 0000000000..3109b6d427
--- /dev/null
+++ b/docshell/test/browser/browser_timelineMarkers-01.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that the docShell has the right profile timeline API
+
+const URL = "data:text/html;charset=utf-8,Test page";
+
+add_task(async function() {
+  await BrowserTestUtils.withNewTab({ gBrowser, url: URL }, async function(
+    browser
+  ) {
+    await SpecialPowers.spawn(browser, [], function() {
+      ok(
+        "recordProfileTimelineMarkers" in docShell,
+        "The recordProfileTimelineMarkers attribute exists"
+      );
+      ok(
+        "popProfileTimelineMarkers" in docShell,
+        "The popProfileTimelineMarkers function exists"
+      );
+      ok(
+        docShell.recordProfileTimelineMarkers === false,
+        "recordProfileTimelineMarkers is false by default"
+      );
+      ok(
+        docShell.popProfileTimelineMarkers().length === 0,
+        "There are no markers by default"
+      );
+
+      docShell.recordProfileTimelineMarkers = true;
+      ok(
+        docShell.recordProfileTimelineMarkers === true,
+        "recordProfileTimelineMarkers can be set to true"
+      );
+
+      docShell.recordProfileTimelineMarkers = false;
+      ok(
+        docShell.recordProfileTimelineMarkers === false,
+        "recordProfileTimelineMarkers can be set to false"
+      );
+    });
+  });
+});