1 files changed, 38 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_pending_tabs.js b/browser/components/sessionstore/test/browser_pending_tabs.js
new file mode 100644
index 0000000000..279d2efcf9
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_pending_tabs.js
@@ -0,0 +1,38 @@
+"use strict";
+
+const TAB_STATE = {
+  entries: [
+    { url: "about:mozilla", triggeringPrincipal_base64 },
+    { url: "about:robots", triggeringPrincipal_base64 },
+  ],
+  index: 1,
+};
+
+add_task(async function () {
+  // Create a background tab.
+  let tab = BrowserTestUtils.addTab(gBrowser, "about:blank");
+  let browser = tab.linkedBrowser;
+  await promiseBrowserLoaded(browser);
+
+  // The tab shouldn't be restored right away.
+  Services.prefs.setBoolPref("browser.sessionstore.restore_on_demand", true);
+
+  // Prepare the tab state.
+  let promise = promiseTabRestoring(tab);
+  ss.setTabState(tab, JSON.stringify(TAB_STATE));
+  ok(tab.hasAttribute("pending"), "tab is pending");
+  await promise;
+
+  // Flush to ensure the parent has all data.
+  await TabStateFlusher.flush(browser);
+
+  // Check that the shistory index is the one we restored.
+  let tabState = TabState.collect(tab, ss.getInternalObjectState(tab));
+  is(tabState.index, TAB_STATE.index, "correct shistory index");
+
+  // Check we don't collect userTypedValue when we shouldn't.
+  ok(!tabState.userTypedValue, "tab didn't have a userTypedValue");
+
+  // Cleanup.
+  gBrowser.removeTab(tab);
+});