DOM: latest DocumentFragment adoption changes

See whatwg/dom#819.

Verified with jsdom/jsdom#2925.

Author: annevk

custom-elements/adopted-callback.html

@@ -127,7 +127,7 @@
 
             calls = [];
             doc.documentElement.appendChild(shadowRoot);
-            assert_array_equals(calls, ['disconnected', 'adopted', document, doc, 'connected']);
+            assert_array_equals(calls, ['adopted', document, doc, 'disconnected', 'connected']);
         });
     }, 'Moving the shadow host\'s shadow of a custom element from the owner document into ' + documentName + ' must enqueue and invoke adoptedCallback');
 

dom/nodes/adoption.window.js

@@ -29,30 +29,34 @@ test(() => {
     "name": "ShadowRoot",
     "creator": doc => doc.createElementNS("http://www.w3.org/1999/xhtml", "div").attachShadow({mode: "closed"})
   }
-].forEach(dfTest => {
+].forEach(({ name, creator }) => {
   test(() => {
     const doc = new Document();
-    const df = dfTest.creator(doc);
+    const df = creator(doc);
     const child = df.appendChild(new Text('hi'));
     assert_equals(df.ownerDocument, doc);
 
     document.body.appendChild(df);
     assert_equals(df.childNodes.length, 0);
     assert_equals(child.ownerDocument, document);
-    assert_equals(df.ownerDocument, doc);
-  }, `appendChild() and ${dfTest.name}`);
+    if (name === "ShadowRoot") {
+      assert_equals(df.ownerDocument, doc);
+    } else {
+      assert_equals(df.ownerDocument, document);
+    }
+  }, `appendChild() and ${name}`);
 
   test(() => {
     const doc = new Document();
-    const df = dfTest.creator(doc);
+    const df = creator(doc);
     const child = df.appendChild(new Text('hi'));
-    if (dfTest.name === "ShadowRoot") {
+    if (name === "ShadowRoot") {
       assert_throws_dom("HierarchyRequestError", () => document.adoptNode(df));
     } else {
       document.adoptNode(df);
       assert_equals(df.childNodes.length, 1);
       assert_equals(child.ownerDocument, document);
       assert_equals(df.ownerDocument, document);
     }
-  }, `adoptNode() and ${dfTest.name}`);
+  }, `adoptNode() and ${name}`);
 });