1 files changed, 61 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_707862.js b/browser/components/sessionstore/test/browser_707862.js
new file mode 100644
index 000000000..e12c44af4
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_707862.js
@@ -0,0 +1,61 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var tabState = {
+  entries: [{url: "about:robots", children: [{url: "about:mozilla"}]}]
+};
+
+function test() {
+  waitForExplicitFinish();
+  requestLongerTimeout(2);
+
+  Services.prefs.setIntPref("browser.sessionstore.interval", 4000);
+  registerCleanupFunction(function () {
+    Services.prefs.clearUserPref("browser.sessionstore.interval");
+  });
+
+  let tab = gBrowser.addTab("about:blank");
+
+  let browser = tab.linkedBrowser;
+
+  promiseTabState(tab, tabState).then(() => {
+    let sessionHistory = browser.sessionHistory;
+    let entry = sessionHistory.getEntryAtIndex(0, false);
+    entry.QueryInterface(Ci.nsISHContainer);
+
+    whenChildCount(entry, 1, function () {
+      whenChildCount(entry, 2, function () {
+        promiseBrowserLoaded(browser).then(() => {
+          let sessionHistory = browser.sessionHistory;
+          let entry = sessionHistory.getEntryAtIndex(0, false);
+
+          whenChildCount(entry, 0, function () {
+            // Make sure that we reset the state.
+            let blankState = { windows: [{ tabs: [{ entries: [{ url: "about:blank" }] }]}]};
+            waitForBrowserState(blankState, finish);
+          });
+        });
+
+        // reload the browser to deprecate the subframes
+        browser.reload();
+      });
+
+      // create a dynamic subframe
+      let doc = browser.contentDocument;
+      let iframe = doc.createElement("iframe");
+      doc.body.appendChild(iframe);
+      iframe.setAttribute("src", "about:mozilla");
+    });
+  });
+
+  // This test relies on the test timing out in order to indicate failure so
+  // let's add a dummy pass.
+  ok(true, "Each test requires at least one pass, fail or todo so here is a pass.");
+}
+
+function whenChildCount(aEntry, aChildCount, aCallback) {
+  if (aEntry.childCount == aChildCount)
+    aCallback();
+  else
+    setTimeout(() => whenChildCount(aEntry, aChildCount, aCallback), 100);
+}