From a656459dd7f43116f1e256bf069c43b15e6dc4d4 Mon Sep 17 00:00:00 2001
From: Anne van Kesteren <annevk@annevk.nl>
Date: Fri, 8 Mar 2019 20:18:39 +0100
Subject: [PATCH] HTML: test queueing behavior of window.close()

For https://github.com/whatwg/html/pull/4402.
---
 .../the-window-object/close-method.window.js  | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 html/browsers/the-window-object/close-method.window.js

diff --git a/html/browsers/the-window-object/close-method.window.js b/html/browsers/the-window-object/close-method.window.js
new file mode 100644
index 000000000000000..0288f9cab8e1cc5
--- /dev/null
+++ b/html/browsers/the-window-object/close-method.window.js
@@ -0,0 +1,39 @@
+function assert_closed_opener(w, closed, opener) {
+  assert_equals(w.closed, closed);
+  assert_equals(w.opener, opener);
+}
+
+async_test(t => {
+  const openee = window.open();
+  assert_closed_opener(openee, false, self);
+  openee.onunload = t.step_func(() => {
+    assert_closed_opener(openee, true, self);
+    t.step_timeout(() => {
+      assert_closed_opener(openee, true, null);
+      t.done();
+    }, 0);
+  });
+  openee.close();
+  assert_closed_opener(openee, true, self);
+}, "window.close() queues a task to discard, but window.closed knows immediately");
+
+async_test(t => {
+  const openee = window.open("", "greatname");
+  assert_closed_opener(openee, false, self);
+  openee.close();
+  assert_closed_opener(openee, true, self);
+  const openee2 = window.open("", "greatname");
+  assert_not_equals(openee, openee2);
+  assert_closed_opener(openee, true, self); // Ensure second window.open() call was synchronous
+  openee2.onunload = t.step_func(() => {
+    assert_closed_opener(openee2, true, self);
+    t.step_timeout(() => {
+      assert_closed_opener(openee, true, null);
+      assert_closed_opener(openee2, true, null);
+      t.done();
+    }, 0);
+  });
+  openee2.close();
+  assert_closed_opener(openee, true, self); // Ensure second close() call was synchronous
+  assert_closed_opener(openee2, true, self);
+}, "window.close() affects name targeting immediately");