chromium/third_party/blink/web_tests/external/wpt/trusted-types/GlobalEventHandlers-onclick.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.sub.js"></script>

<meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'">
<body>
<div id="container"></div>
<script>
var container = document.querySelector('#container');
const policy = createScript_policy(window, 'onclick');
const policy_html = createHTML_policy(window, 'onclick-html');

// Trusted Type assignments do not throw.
async_test(t => {
  window.onclickDone1 = t.step_func_done();
  let script = policy.createScript("window.onclickDone1();");
  let el = document.createElement('a');
  el.setAttribute('onclick', script);
  container.appendChild(el);
  el.click();
}, "a.setAttribte('onclick') sets a trusted script.");

// Unsuitable TrustedType assignments do throw.
async_test(t => {
  window.onclickFail1 = t.unreached_func();
  let script = policy_html.createHTML("window.onclickFail1();");
  let el = document.createElement('a');
  try {
    el.setAttribute('onclick', script);
    container.appendChild(el);
    el.click();
  } catch (e) {
    t.done();
  }
  assert_unreached();
}, "a.setAttribute('onclick') sets an unsuitable trusted type.");

// So do plain test assignments.
async_test(t => {
  window.onclickFail2 = t.unreached_func();
  let el = document.createElement('a');
  try {
    el.setAttribute("onclick", "window.onclickFail2();");
    container.appendChild(el);
    el.click();
  } catch (e) {
    t.done();
  }
  assert_unreached();
}, "a.setAttribute('click') sets a test string.");
/*
// Trusted Type assignments via property access does not throw.
async_test(t => {
  window.onclickDone2 = t.step_func_done();
  let script = policy.createScript("window.onclickDone2();");
  let el = document.createElement('a');
  el.onclick = script;
  container.appendChild(el);
  el.click();
}, "a.onclick assigned via policy (successful Script transformation).");

// Unsuitable TrustedType assignments do throw.
async_test(t => {
  window.onclickFail3 = t.unreached_func();
  let script = policy_html.createHTML("window.onclickFail3();");
  let el = document.createElement('a');
  try {
    el.onclick = script;
    container.appendChild(el);
    el.click();
  } catch (e) {
    t.done();
  }
  assert_unreached();
}, "a.onclick assigned via an unsuitable policy.");

// So do plain test assignments.
async_test(t => {
  window.onclickFail4 = t.unreached_func();
  let el = document.createElement('a');
  try {
    el.onclick = window.onclickFail4();
    container.appendChild(el);
    el.click();
  } catch (e) {
    t.done();
  }
  assert_unreached();
}, "a.onclick assigned a test string.");
*/
</script>