1 files changed, 28 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug633691.js b/browser/base/content/test/general/browser_bug633691.js
new file mode 100644
index 000000000..28a8440ff
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug633691.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+add_task(function* test() {
+  const URL = "data:text/html,<iframe width='700' height='700'></iframe>";
+  yield BrowserTestUtils.withNewTab({ gBrowser, url: URL }, function* (browser) {
+    yield ContentTask.spawn(browser,
+                            { is_element_hidden_: is_element_hidden.toSource(),
+                              is_hidden_: is_hidden.toSource() },
+    function* ({ is_element_hidden_, is_hidden_ }) {
+      let loadError =
+        ContentTaskUtils.waitForEvent(this, "AboutNetErrorLoad", false, null, true);
+      let iframe = content.document.querySelector("iframe");
+      iframe.src = "https://expired.example.com/";
+
+      yield loadError;
+
+      let is_hidden = eval(`(() => ${is_hidden_})()`);
+      let is_element_hidden = eval(`(() => ${is_element_hidden_})()`);
+      let doc = content.document.getElementsByTagName("iframe")[0].contentDocument;
+      let aP = doc.getElementById("badCertAdvancedPanel");
+      ok(aP, "Advanced content should exist");
+      void is_hidden; // Quiet eslint warnings (actual use under is_element_hidden)
+      is_element_hidden(aP, "Advanced content should not be visible by default")
+    });
+  });
+});