1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/client-hints/service-workers/resources/util.js b/testing/web-platform/tests/client-hints/service-workers/resources/util.js
new file mode 100644
index 0000000000..d9b8f3f4d9
--- /dev/null
+++ b/testing/web-platform/tests/client-hints/service-workers/resources/util.js
@@ -0,0 +1,23 @@
+async function ch_sw_test(t, worker, url, response) {
+  r = await service_worker_unregister_and_register(t, worker, url);
+  await wait_for_state(t, r.installing, 'activated')
+  var popup_window = window.open("/common/blank.html");
+  assert_not_equals(popup_window, null, "Popup windows not allowed?");
+
+  t.add_cleanup(async _=>{
+    popup_window.close();
+    await r.unregister();
+  });
+
+  popup_load = new Promise((resolve, reject) => {
+    popup_window.addEventListener('load', t.step_func((e) => {
+      if(popup_window.location.pathname != "/blank.html") {
+        assert_equals(popup_window.document.body.textContent, response);
+        resolve();
+      }
+    }))
+  });
+
+  popup_window.location = url;
+  await popup_load;
+}