1 files changed, 18 insertions, 8 deletions
diff --git a/testing/web-platform/tests/workers/same-site-cookies/first-party.all.tentative.https.window.js b/testing/web-platform/tests/workers/same-site-cookies/first-party.all.tentative.https.window.js
index d7e5f2ee42..ac6030e654 100644
--- a/testing/web-platform/tests/workers/same-site-cookies/first-party.all.tentative.https.window.js
+++ b/testing/web-platform/tests/workers/same-site-cookies/first-party.all.tentative.https.window.js
@@ -1,19 +1,29 @@
 // META: script=/resources/testdriver.js
 // META: script=/resources/testdriver-vendor.js
+// META: script=/workers/same-site-cookies/resources/util.js
 
 'use strict';
 
 // Here's the set-up for this test:
-// Step 1 (window) Set up listener for "DidStart" message and start worker.
-// Step 2 (worker) Send "DidStart" message to window.
-// Step 3 (window) Receive "DidStart" message and cleanup.
+// Step 1 (window) Set cookies.
+// Step 2 (window) Set up listener for cookie message and start worker.
+// Step 3 (redirect) Redirect to worker script.
+// Step 4 (worker) Send cookie message to window.
+// Step 5 (window) Receive cookie message and cleanup.
 
 async_test(t => {
     // Step 1
-    const worker = new SharedWorker("/workers/same-site-cookies/resources/worker.js", {sameSiteCookies: "all"});
-    worker.port.onmessage = t.step_func(e => {
-        // Step 3
-        assert_equals(e.data, "DidStart", "Worker should have started");
-        t.done();
+    const cookie_set_window = window.open("/workers/same-site-cookies/resources/set_cookies.py");
+    cookie_set_window.onload =  t.step_func(_ => {
+        // Step 2
+        const worker = new SharedWorker("/workers/same-site-cookies/resources/worker_redirect.py", {sameSiteCookies: "all"});
+        worker.port.onmessage = t.step_func(e => {
+            // Step 5
+            getCookieNames().then(t.step_func((cookies) => {
+                assert_equals(e.data + cookies, "ReadOnLoad:StrictLaxNone,ReadOnFetch:StrictLaxNone,SetOnRedirectLoad:StrictLaxNone,SetOnLoad:StrictLaxNone,SetOnRedirectFetch:StrictLaxNone,SetOnFetch:StrictLaxNone", "Worker should get/set all cookies");
+                cookie_set_window.close();
+                t.done();
+            }));
+        });
     });
 }, "Check SharedWorker sameSiteCookies option all for first-party");