HTML: document.open() and tasks

For whatwg/html#3651.
web-platform-tests · Jul 13, 2018 · 7f392b3 · 7f392b3
1 parent 9e4a93a
commit 7f392b3
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/tasks.window.js b/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/tasks.window.js
@@ -0,0 +1,12 @@
+async_test(t => {
+  const frame = document.body.appendChild(document.createElement("iframe"));
+  let happened = false;
+  frame.contentWindow.setTimeout(() => happened = true, 100);
+  frame.contentDocument.open();
+  t.step_timeout(() => {
+    assert_true(happened);
+    t.done();
+  }, 200);
+  // Ensure the load event fires and testharness doesn't timeout
+  frame.contentDocument.close();
+}, "document.open() and tasks");