1 files changed, 53 insertions, 0 deletions
diff --git a/dom/quota/test/browser/browser_permissionsPromptUnknown.js b/dom/quota/test/browser/browser_permissionsPromptUnknown.js
new file mode 100644
index 0000000000..7e3f09ccaa
--- /dev/null
+++ b/dom/quota/test/browser/browser_permissionsPromptUnknown.js
@@ -0,0 +1,53 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+const testPageURL =
+  "https://example.com/browser/dom/quota/test/browser/permissionsPrompt.html";
+
+addTest(async function testPermissionUnknownInPrivateWindow() {
+  removePermission(testPageURL, "persistent-storage");
+  info("Creating private window");
+  let win = await BrowserTestUtils.openNewBrowserWindow({ private: true });
+
+  registerPopupEventHandler(
+    "popupshowing",
+    function () {
+      ok(false, "Shouldn't show a popup this time");
+    },
+    win
+  );
+  registerPopupEventHandler(
+    "popupshown",
+    function () {
+      ok(false, "Shouldn't show a popup this time");
+    },
+    win
+  );
+  registerPopupEventHandler(
+    "popuphidden",
+    function () {
+      ok(false, "Shouldn't show a popup this time");
+    },
+    win
+  );
+
+  info("Creating private tab");
+  win.gBrowser.selectedTab = BrowserTestUtils.addTab(win.gBrowser);
+
+  info("Loading test page: " + testPageURL);
+  BrowserTestUtils.loadURIString(win.gBrowser.selectedBrowser, testPageURL);
+  await waitForMessage(false, win.gBrowser);
+
+  is(
+    getPermission(testPageURL, "persistent-storage"),
+    Ci.nsIPermissionManager.UNKNOWN_ACTION,
+    "Correct permission set"
+  );
+  unregisterAllPopupEventHandlers(win);
+  win.gBrowser.removeCurrentTab();
+  await BrowserTestUtils.closeWindow(win);
+  win = null;
+  removePermission(testPageURL, "persistent-storage");
+});