Test initStorageEvent()

foolip · foolip · commit f40d113a2dcd · 2018-10-05T15:15:31.000+02:00
Follows whatwg/html#4063.
diff --git a/webstorage/event_initstorageevent.html b/webstorage/event_initstorageevent.html
@@ -0,0 +1,72 @@
+<!DOCTYPE HTML>
+<html>
+ <head>
+  <title>WebStorage Test: StorageEvent - initStorageEvent</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+    <script>
+        test(() => {
+            const event = new StorageEvent('storage');
+            assert_throws(new TypeError, () => event.initStorageEvent());
+            // should be redundant, but .length can be wrong with custom bindings
+            assert_equals(event.initStorageEvent.length, 1, 'event.initStorageEvent.length');
+        }, 'initStorageEvent with 0 arguments');
+
+        test(() => {
+            const event = new StorageEvent('storage');
+            event.initStorageEvent('type');
+            assert_equals(event.type, 'type', 'event.type');
+            assert_equals(event.bubbles, false, 'event.bubbles');
+            assert_equals(event.cancelable, false, 'event.cancelable');
+            assert_equals(event.key, null, 'event.key');
+            assert_equals(event.oldValue, null, 'event.oldValue');
+            assert_equals(event.newValue, null, 'event.newValue');
+            assert_equals(event.url, '', 'event.url');
+            assert_equals(event.storageArea, null, 'event.storageArea');
+        }, 'initStorageEvent with 1 argument');
+
+        test(() => {
+            assert_not_equals(localStorage, null, 'localStorage'); // precondition
+
+            const event = new StorageEvent('storage');
+            event.initStorageEvent('type', true, true, 'key', 'oldValue', 'newValue', 'url', localStorage);
+            assert_equals(event.type, 'type', 'event.type');
+            assert_equals(event.bubbles, true, 'event.bubbles');
+            assert_equals(event.cancelable, true, 'event.cancelable');
+            assert_equals(event.key, 'key', 'event.key');
+            assert_equals(event.oldValue, 'oldValue', 'event.oldValue');
+            assert_equals(event.newValue, 'newValue', 'event.newValue');
+            assert_equals(event.url, 'url', 'event.url');
+            assert_equals(event.storageArea, localStorage, 'event.storageArea');
+        }, 'initStorageEvent with 8 sensible arguments');
+
+        test(() => {
+            const event = new StorageEvent('storage');
+            event.initStorageEvent(null, null, null, null, null, null, null, null);
+            assert_equals(event.type, 'null', 'event.type');
+            assert_equals(event.bubbles, false, 'event.bubbles');
+            assert_equals(event.cancelable, false, 'event.cancelable');
+            assert_equals(event.key, null, 'event.key');
+            assert_equals(event.oldValue, null, 'event.oldValue');
+            assert_equals(event.newValue, null, 'event.newValue');
+            assert_equals(event.url, 'null', 'event.url');
+            assert_equals(event.storageArea, null, 'event.storageArea');
+        }, 'initStorageEvent with 8 null arguments');
+
+        test(() => {
+            const event = new StorageEvent('storage');
+            event.initStorageEvent(undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined);
+            assert_equals(event.type, 'undefined', 'event.type');
+            assert_equals(event.bubbles, false, 'event.bubbles');
+            assert_equals(event.cancelable, false, 'event.cancelable');
+            assert_equals(event.key, null, 'event.key');
+            assert_equals(event.oldValue, null, 'event.oldValue');
+            assert_equals(event.newValue, null, 'event.newValue');
+            assert_equals(event.url, 'undefined', 'event.url');
+            assert_equals(event.storageArea, null, 'event.storageArea');
+        }, 'initStorageEvent with 8 undefined arguments');
+    </script>
+ </body>
+</html>
