1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fenced-frame/resources/background-sync-helper.js b/testing/web-platform/tests/fenced-frame/resources/background-sync-helper.js
new file mode 100644
index 0000000000..78b69f15de
--- /dev/null
+++ b/testing/web-platform/tests/fenced-frame/resources/background-sync-helper.js
@@ -0,0 +1,23 @@
+const getOneShotSyncPromise = (registration, method) => {
+  if (method === 'register') {
+    return registration.sync.register('fencedframe-oneshot');
+  } else if (method === 'getTags') {
+    return registration.sync.getTags();
+  }
+  return Promise.resolve();
+};
+
+const getPeriodicSyncPromise = (registration, method) => {
+  if (method === 'register') {
+    return registration.periodicSync.register(
+        'fencedframe-periodic', {minInterval: 1000});
+  } else if (method === 'getTags') {
+    return registration.periodicSync.getTags();
+  } else if (method === 'unregister') {
+    return registration.periodicSync.unregister('fencedframe-periodic');
+  } else {
+    return Promise.resolve();
+  }
+};
+
+export {getOneShotSyncPromise, getPeriodicSyncPromise}