1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/sandboxing/sandbox-javascript-window-open.html b/testing/web-platform/tests/html/browsers/sandboxing/sandbox-javascript-window-open.html
new file mode 100644
index 0000000000..fd21e9bb02
--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/sandboxing/sandbox-javascript-window-open.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>window.open in sandbox iframe</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<body>
+<script>
+promise_test(async test => {
+  let message = new Promise(resolve => {
+    window.addEventListener("message", event => resolve(event.data));
+  });
+  let iframe = document.createElement("iframe");
+  iframe.sandbox = "allow-scripts allow-popups allow-same-origin";
+  iframe.src = "./resources/sandbox-javascript-window-open.html";
+  document.body.appendChild(iframe);
+  assert_equals(await message, "disallow-document-domain");
+});
+</script>