1 files changed, 26 insertions, 0 deletions
diff --git a/netwerk/test/browser/browser_test_favicon.js b/netwerk/test/browser/browser_test_favicon.js
new file mode 100644
index 0000000000..99cc6b0922
--- /dev/null
+++ b/netwerk/test/browser/browser_test_favicon.js
@@ -0,0 +1,26 @@
+// Tests third party cookie blocking using a favicon loaded from a different
+// domain. The cookie should be considered third party.
+"use strict";
+add_task(async function () {
+  const iconUrl =
+    "http://example.org/browser/netwerk/test/browser/damonbowling.jpg";
+  const pageUrl =
+    "http://example.com/browser/netwerk/test/browser/file_favicon.html";
+  await SpecialPowers.pushPrefEnv({
+    set: [["network.cookie.cookieBehavior", 1]],
+  });
+
+  let promise = TestUtils.topicObserved("cookie-rejected", subject => {
+    let uri = subject.QueryInterface(Ci.nsIURI);
+    return uri.spec == iconUrl;
+  });
+
+  // Kick off a page load that will load the favicon.
+  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, pageUrl);
+  registerCleanupFunction(async function () {
+    BrowserTestUtils.removeTab(tab);
+  });
+
+  await promise;
+  ok(true, "foreign favicon cookie was blocked");
+});