1 files changed, 45 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_page_title.js b/browser/components/sessionstore/test/browser_page_title.js
new file mode 100644
index 000000000..9bbb1ca76
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_page_title.js
@@ -0,0 +1,45 @@
+"use strict";
+
+const URL = "data:text/html,<title>initial title</title>";
+
+add_task(function* () {
+  // Create a new tab.
+  let tab = gBrowser.addTab(URL);
+  yield promiseBrowserLoaded(tab.linkedBrowser);
+
+  // Remove the tab.
+  yield promiseRemoveTab(tab);
+
+  // Check the title.
+  let [{state: {entries}}] = JSON.parse(ss.getClosedTabData(window));
+  is(entries[0].title, "initial title", "correct title");
+});
+
+add_task(function* () {
+  // Create a new tab.
+  let tab = gBrowser.addTab(URL);
+  let browser = tab.linkedBrowser;
+  yield promiseBrowserLoaded(browser);
+
+  // Flush to ensure we collected the initial title.
+  yield TabStateFlusher.flush(browser);
+
+  // Set a new title.
+  yield ContentTask.spawn(browser, null, function* () {
+    return new Promise(resolve => {
+      addEventListener("DOMTitleChanged", function onTitleChanged() {
+        removeEventListener("DOMTitleChanged", onTitleChanged);
+        resolve();
+      });
+
+      content.document.title = "new title";
+    });
+  });
+
+  // Remove the tab.
+  yield promiseRemoveTab(tab);
+
+  // Check the title.
+  let [{state: {entries}}] = JSON.parse(ss.getClosedTabData(window));
+  is(entries[0].title, "new title", "correct title");
+});