1 files changed, 31 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug578534.js b/browser/base/content/test/general/browser_bug578534.js
new file mode 100644
index 0000000000..04b5fe9cfd
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug578534.js
@@ -0,0 +1,31 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const { PermissionTestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/PermissionTestUtils.sys.mjs"
+);
+
+add_task(async function test() {
+  // eslint-disable-next-line @microsoft/sdl/no-insecure-url
+  let uriString = "http://example.com/";
+  let cookieBehavior = "network.cookie.cookieBehavior";
+
+  await SpecialPowers.pushPrefEnv({ set: [[cookieBehavior, 2]] });
+  PermissionTestUtils.add(uriString, "cookie", Services.perms.ALLOW_ACTION);
+
+  await BrowserTestUtils.withNewTab(
+    { gBrowser, url: uriString },
+    async function (browser) {
+      await SpecialPowers.spawn(browser, [], function () {
+        is(
+          content.navigator.cookieEnabled,
+          true,
+          "navigator.cookieEnabled should be true"
+        );
+      });
+    }
+  );
+
+  PermissionTestUtils.add(uriString, "cookie", Services.perms.UNKNOWN_ACTION);
+});