1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/document.open-02.html b/testing/web-platform/tests/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/document.open-02.html
new file mode 100644
index 0000000000..c7e67a0cf7
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/document.open-02.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<title>document.open with three arguments</title>
+<link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-document-open">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+function open() {
+  assert_unreached("The call should be redirected to the real window.open")
+}
+test(function(t) {
+  var w;
+  t.add_cleanup(function() {try {w.close()} catch(e) {}});
+  w = document.open("/resources/testharness.js", "", "");
+  assert_true(w instanceof w.Window, "Expected a window");
+}, "document.open should redirect to window.open when called with three arguments");
+
+test(function() {
+  var parser = new DOMParser();
+  var doc = parser.parseFromString("", "text/html");
+  assert_equals(doc.defaultView, null);
+  assert_throws_dom("INVALID_ACCESS_ERR", function() {
+    doc.open("/resources/testharness.js", "", "");
+  });
+}, "document.open should throw when it has no window and is called with three arguments");
+</script>