1 files changed, 10 insertions, 0 deletions
diff --git a/testing/web-platform/tests/storage/storagemanager-persist.https.window.js b/testing/web-platform/tests/storage/storagemanager-persist.https.window.js
new file mode 100644
index 0000000000..13e17a16e1
--- /dev/null
+++ b/testing/web-platform/tests/storage/storagemanager-persist.https.window.js
@@ -0,0 +1,10 @@
+// META: title=StorageManager: persist()
+
+promise_test(function() {
+    var promise = navigator.storage.persist();
+    assert_true(promise instanceof Promise,
+        'navigator.storage.persist() returned a Promise.');
+    return promise.then(function(result) {
+        assert_equals(typeof result, 'boolean', result + ' should be boolean');
+    });
+}, 'navigator.storage.persist() returns a promise that resolves.');