Bug 1437057 - Expose the origin of a cookie to JS - tests, r=mayhemer

Differential Revision: https://phabricator.services.mozilla.com/D67590 --HG-- extra : moz-landing-system : lando
2020-03-24 17:52:41 +00:00 · 2020-03-24 17:52:41 +00:00 · 400b195fb8
--- a/netwerk/cookie/test/mochitest/mochitest.ini
+++ b/netwerk/cookie/test/mochitest/mochitest.ini
@ -14,3 +14,4 @@ support-files =
 [test_metaTag.html]
 [test_xmlDocument.html]
 support-files = empty.html
+[test_document_cookie_notification.html]
--- a/netwerk/cookie/test/mochitest/test_document_cookie_notification.html
+++ b/netwerk/cookie/test/mochitest/test_document_cookie_notification.html
@ -0,0 +1,32 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for document.cookie setter + notification</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+
+<script type="application/javascript">
+
+function Listener() {
+  SpecialPowers.addObserver(this, "document-set-cookie");
+}
+
+Listener.prototype = {
+  observe(aSubject, aTopic, aData) {
+    is(aTopic, "document-set-cookie", "Notification received");
+    ok(aData.startsWith("a="), "Right cookie received");
+
+    SpecialPowers.removeObserver(this, "document-set-cookie");
+    SimpleTest.finish();
+  }
+}
+
+const cl = new Listener();
+document.cookie = "a=" + Math.random();
+SimpleTest.waitForExplicitFinish();
+
+</script>
+</body>
+</html>