1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/storage/persisted.https.any.js b/testing/web-platform/tests/storage/persisted.https.any.js
new file mode 100644
index 0000000000..57e15f0e81
--- /dev/null
+++ b/testing/web-platform/tests/storage/persisted.https.any.js
@@ -0,0 +1,14 @@
+// META: title=StorageManager: persisted()
+
+test(function(t) {
+  assert_true('persisted' in navigator.storage);
+  assert_equals(typeof navigator.storage.persisted, 'function');
+  assert_true(navigator.storage.persisted() instanceof Promise);
+}, 'persisted() method exists and returns a Promise');
+
+promise_test(function(t) {
+  return navigator.storage.persisted().then(function(result) {
+    assert_equals(typeof result, 'boolean');
+    assert_equals(result, false);
+  });
+}, 'persisted() returns a promise and resolves as boolean with false');