1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/sandboxing/resources/document-open.html b/testing/web-platform/tests/html/browsers/sandboxing/resources/document-open.html
new file mode 100644
index 0000000000..136c494d5a
--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/sandboxing/resources/document-open.html
@@ -0,0 +1,14 @@
+<script>
+  onload = () => {
+    document.write(`
+      <script>
+        try {
+          document.domain = document.domain;
+          parent.postMessage('document-domain-is-allowed', '*');
+        } catch (error) {
+          parent.postMessage('document-domain-is-disallowed', '*');
+        }
+      </sc`+`ript>
+    `);
+  }
+</script>