1 files changed, 49 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_739805.js b/browser/components/sessionstore/test/browser_739805.js
new file mode 100644
index 0000000000..94be3f3d35
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_739805.js
@@ -0,0 +1,49 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var url = "data:text/html;charset=utf-8,<input%20id='foo'>";
+var tabState = {
+  entries: [{ url, triggeringPrincipal_base64 }],
+  formdata: { id: { foo: "bar" }, url },
+};
+
+function test() {
+  waitForExplicitFinish();
+  Services.prefs.setBoolPref("browser.sessionstore.restore_on_demand", true);
+
+  registerCleanupFunction(function () {
+    if (gBrowser.tabs.length > 1) {
+      gBrowser.removeTab(gBrowser.tabs[1]);
+    }
+    Services.prefs.clearUserPref("browser.sessionstore.restore_on_demand");
+  });
+
+  let tab = BrowserTestUtils.addTab(gBrowser, "about:blank");
+  let browser = tab.linkedBrowser;
+
+  promiseBrowserLoaded(browser).then(() => {
+    isnot(gBrowser.selectedTab, tab, "newly created tab is not selected");
+
+    ss.setTabState(tab, JSON.stringify(tabState));
+    is(
+      ss.getInternalObjectState(browser),
+      TAB_STATE_NEEDS_RESTORE,
+      "tab needs restoring"
+    );
+
+    let { formdata } = JSON.parse(ss.getTabState(tab));
+    is(formdata && formdata.id.foo, "bar", "tab state's formdata is valid");
+
+    promiseTabRestored(tab).then(() => {
+      SpecialPowers.spawn(browser, [], function () {
+        let input = content.document.getElementById("foo");
+        is(input.value, "bar", "formdata has been restored correctly");
+      }).then(() => {
+        finish();
+      });
+    });
+
+    // Restore the tab by selecting it.
+    gBrowser.selectedTab = tab;
+  });
+}