iframe-not-allowed.tentative.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/permission-element/install/iframe-not-allowed.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>Install element: not allowed in iframes</title>

<link rel="help" href="https://github.com/WICG/install-element">

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

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

<body>

<script>

  async_test((t) => {

    const iframe = document.createElement("iframe");

    iframe.srcdoc = `

      <!DOCTYPE html>

      <install id="install-element"></install>

`;

    iframe.onload = t.step_func_done(() => {

      const install = iframe.contentDocument.getElementById("install-element");

      assert_false(install.isValid,

        "Install element should not be valid inside an iframe");

      assert_equals(install.invalidReason, "illegal_subframe",

        "invalidReason should be 'illegal_subframe'");

});

    document.body.appendChild(iframe);

  }, "Install element is not allowed in a same-origin iframe");

  async_test((t) => {

    const iframe = document.createElement("iframe");

    iframe.allow = "web-app-installation *";

    iframe.srcdoc = `

      <!DOCTYPE html>

      <install id="install-element"></install>

`;

    iframe.onload = t.step_func_done(() => {

      const install = iframe.contentDocument.getElementById("install-element");

      assert_false(install.isValid,

        "Install element should not be valid inside an iframe even with permissions policy");

      assert_equals(install.invalidReason, "illegal_subframe",

        "invalidReason should be 'illegal_subframe'");

});

    document.body.appendChild(iframe);

  }, "Install element is not allowed in an iframe even with permissions policy");

</script>

</body>