1 files changed, 60 insertions, 0 deletions
diff --git a/dom/html/test/browser_bug436200.js b/dom/html/test/browser_bug436200.js
new file mode 100644
index 0000000000..7e739c02ad
--- /dev/null
+++ b/dom/html/test/browser_bug436200.js
@@ -0,0 +1,60 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const kTestPage = "https://example.org/browser/dom/html/test/bug436200.html";
+
+async function run_test(shouldShowPrompt, msg) {
+  let promptShown = false;
+
+  function tabModalObserver(subject) {
+    promptShown = true;
+    subject.querySelector(".tabmodalprompt-button0").click();
+  }
+  Services.obs.addObserver(tabModalObserver, "tabmodal-dialog-loaded");
+
+  function commonDialogObserver(subject) {
+    let dialog = subject.Dialog;
+    promptShown = true;
+    dialog.ui.button0.click();
+  }
+  Services.obs.addObserver(commonDialogObserver, "common-dialog-loaded");
+
+  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, kTestPage);
+
+  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
+    let form = content.document.getElementById("test_form");
+    form.submit();
+  });
+  Services.obs.removeObserver(tabModalObserver, "tabmodal-dialog-loaded");
+  Services.obs.removeObserver(commonDialogObserver, "common-dialog-loaded");
+
+  is(promptShown, shouldShowPrompt, msg);
+  BrowserTestUtils.removeTab(tab);
+}
+
+add_task(async function test_prompt() {
+  await run_test(true, "Should show prompt");
+});
+
+add_task(async function test_noprompt() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["security.warn_submit_secure_to_insecure", false]],
+  });
+  await run_test(false, "Should not show prompt");
+  await SpecialPowers.popPrefEnv();
+});
+
+add_task(async function test_prompt_modal() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      [
+        "prompts.modalType.insecureFormSubmit",
+        Services.prompt.MODAL_TYPE_WINDOW,
+      ],
+    ],
+  });
+  await run_test(true, "Should show prompt");
+  await SpecialPowers.popPrefEnv();
+});