iframe_sandbox_popups_escaping-3.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-3.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Check that popups from a sandboxed iframe escape the sandbox if

       allow-popups-to-escape-sandbox is used</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<iframe sandbox="allow-scripts allow-popups allow-popups-to-escape-sandbox">

</iframe>

<script>

  var t = async_test();

  var ourOrigin;

  onmessage = t.step_func(function(e) {

    assert_equals(e.data, "hello", "This is our origin getter message");

    ourOrigin = e.origin;

    onmessage = t.step_func_done(function(e) {

      assert_equals(e.origin, "null", "It came from a sandboxed iframe");

      assert_equals(e.data.data, undefined, "Should have the right message");

      assert_equals(e.data.origin, ourOrigin, "Should have escaped the sandbox");

});

    document.querySelector("iframe").src = "iframe_sandbox_popups_helper-3.html";

});

  postMessage("hello", "*");

</script>