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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /trusted-types/empty-default-policy.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
// Ensure that only the right events trigger violation reports.
// The Promise will resolve, when an event including the string "done" is
// received. The last line of this test file will cause this trigger.
promise_test(t => {
let count = 0;
return new Promise((resolve, reject) => {
document.addEventListener("securitypolicyviolation", e => {
e.stopPropagation();
// We count the violation reports. We expect one each for "abc" test cases, and one
// for the "done" line at the end, which signals the end of the test run.
if (e.sample.includes("done")) {
resolve(count);
} else if (e.sample.includes("abc")) {
count++;
} else {
reject();
}
});
}).then(counter => {
assert_equals(counter, testCases.length, "event count");
});
}, "Count SecurityPolicyViolation events.");
const testCases = [
[ "script", "src" ],
[ "div", "innerHTML" ],
[ "script", "text" ],
];
trustedTypes.createPolicy("default", {});
testCases.forEach(c => {
const name = `${c[0]}.${c[1]} `;
test(t => {
const element = document.createElement(c[0]);
assert_throws_js(TypeError, _ => element[c[1]] = "abc");
assert_equals(element[c[1]], "");
}, name + "default");
});
// Trigger the exit condition in the "Count" promise test above.
try { document.createElement("script").text = "done"; } catch (e) {}
</script>
</body>