Bug 1528709 [wpt PR 15391] - HTML: window.name, a=testonly

Automatic update from web-platform-tests
HTML: window.name

For whatwg/html#4366.
--

wpt-commits: 8e76fc76d3af0a56d0ccdd627fe844fd9c5a1554
wpt-pr: 15391

testing/web-platform/tests/html/browsers/the-window-object/name-attribute.window.js

@@ -0,0 +1,18 @@
+test(() => {
+  const frame = document.createElement("iframe"),
+        name = "A",
+        name2 = "B";
+  frame.setAttribute("name", name);
+  document.body.append(frame);
+  const frameW = frame.contentWindow;
+  assert_equals(frameW.name, name);
+  frameW.name = name2;
+  assert_equals(frame.getAttribute("name"), name);
+  assert_equals(frameW.name, name2);
+  frame.remove();
+  assert_equals(frame.getAttribute("name"), name);
+  assert_equals(frameW.name, "");
+  frameW.name = name2;
+  assert_equals(frame.getAttribute("name"), name);
+  assert_equals(frameW.name, "");
+}, "Window object's name IDL attribute");