badging/setAppBadge_cross_origin.sub.https.html

<!DOCTYPE html>
<meta charset="utf-8" />
<title>Test cross-origin and same-origin use of setAppBadge</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="testIframe"></iframe>
<script>
  const iframe = document.getElementById("testIframe");

  function sendMessageToIframe(message) {
    return new Promise((resolve) => {
      window.addEventListener("message", function listener(event) {
        const { messageId } = event.data;
        if (event.data.message !== message) return;
        window.removeEventListener("message", listener);
        resolve(event);
      });
      iframe.contentWindow.postMessage("callSetAppBadge", "*");
    });
  }

  function loadIframe(src) {
    return new Promise((resolve) => {
      iframe.addEventListener("load", resolve);
      iframe.src = src;
    });
  }

  test(() => {
    assert_true(
      "setAppBadge" in navigator,
      "navigator.setAppBadge should be available"
    );
  }, "Test that navigator.setAppBadge is available");

  promise_test(async () => {
    await loadIframe(
      `https://{{hosts[][]}}:{{ports[https][1]}}/badging/resources/setAppBadge_iframe.html`
    );
    const event = await sendMessageToIframe("callSetAppBadge");
    const { exceptionType, status } = event.data;
    assert_equals(
      status,
      "error",
      "setAppBadge should have rejected with an error"
    );
    assert_equals(
      exceptionType,
      "SecurityError",
      "setAppBadge should throw a SecurityError when called in a cross-origin iframe"
    );
  }, "Test that calling setAppBadge in a cross-origin iframe throws a SecurityError");

  promise_test(async () => {
    await loadIframe("./resources/setAppBadge_iframe.html");
    const event = await sendMessageToIframe("callSetAppBadge");
    const { status } = event.data;
    assert_equals(
      status,
      "success",
      "setAppBadge should succeed when called in a same-origin iframe"
    );
  }, "Test that calling setAppBadge in a same-origin iframe succeeds");
</script>