Bug 1528954 [wpt PR 15461] - HTML: opener of a Window sans browsing c…

…ontext, a=testonly Automatic update from web-platform-tests HTML: opener of a Window sans browsing context For whatwg/html#4379. -- wpt-commits: ad1ab06b7fcdbf7ef24cf0ed8aa13ac36d04272a wpt-pr: 15461
mykmelez · Mar 15, 2019 · 6d511b4 · 6d511b4
1 parent 85c446f
commit 6d511b4
Showing 1 changed file with 46 additions and 0 deletions.
diff --git a/testing/web-platform/tests/html/browsers/windows/embedded-opener-remove-frame.html b/testing/web-platform/tests/html/browsers/windows/embedded-opener-remove-frame.html
@@ -0,0 +1,46 @@
+<!doctype html>
+<title>opener and "removed" embedded documents</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<div id=log></div>
+<iframe name=matchesastring></iframe>
+<script>
+async_test(t => {
+  const frame = document.querySelector("iframe"),
+        frameW = frame.contentWindow;
+  frame.onload = t.step_func(() => {
+    // Firefox and Chrome/Safari load differently
+    if (frame.contentWindow.location.href === "about:blank") {
+      return;
+    }
+
+    // Test bits
+    assert_equals(frameW.opener, window, "opener before removal");
+
+    const openerDesc = Object.getOwnPropertyDescriptor(frameW, "opener"),
+          openerGet = openerDesc.get;
+
+    assert_equals(openerGet(), window, "opener before removal via directly invoking the getter");
+    frame.remove();
+    assert_equals(frameW.opener, null, "opener after removal");
+    assert_equals(openerGet(), null, "opener after removal via directly invoking the getter");
+
+    frameW.opener = null;
+    assert_equals(openerGet(), null, "opener after setting it null via directly invoking the getter");
+    const openerDescNull = Object.getOwnPropertyDescriptor(frameW, "opener");
+    assert_not_equals(openerDescNull, openerDesc);
+    assert_object_equals(openerDescNull, openerDesc);
+
+    frameW.opener = "immaterial";
+    assert_equals(openerGet(), null, "opener after setting it \"immaterial\" via directly invoking the getter");
+    const openerDescImmaterial = Object.getOwnPropertyDescriptor(frameW, "opener");
+    assert_equals(openerDescImmaterial.value, "immaterial");
+    assert_true(openerDescImmaterial.writable);
+    assert_true(openerDescImmaterial.enumerable);
+    assert_true(openerDescImmaterial.configurable);
+
+    t.done();
+  });
+  window.open("/common/blank.html", "matchesastring");
+});
+</script>