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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /trusted-types/eval-csp-tt-default-policy-mutate.html?default - WPT Dashboard Interop Dashboard
- /trusted-types/eval-csp-tt-default-policy-mutate.html?trusted-types-eval - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta name="variant" content="?default">
<meta name="variant" content="?trusted-types-eval">
<script nonce="abc" src="/resources/testharness.js"></script>
<script nonce="abc" src="/resources/testharnessreport.js"></script>
<script nonce="abc" src="support/helper.sub.js"></script>
<meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'">
<script nonce="abc">
if (location.search === "?trusted-types-eval") {
const meta = document.createElement("meta");
meta.httpEquiv = "Content-Security-Policy";
meta.content = "script-src 'nonce-abc' 'trusted-types-eval'";
document.head.appendChild(meta);
}
</script>
</head>
<body>
<script nonce="abc">
trustedTypes.createPolicy("default", {createScript: s => s.replace("1", "4")});
test(t => {
assert_throws_js(EvalError, _ => eval('1+1'));
}, "eval of string where default policy mutates value throws.");
test(t => {
assert_throws_js(EvalError, _ => eval?.('1+1'));
}, "indirect eval of string where default policy mutates value throws.");
test(t => {
assert_throws_js(EvalError, _ => new Function('return 1+1'));
}, "Function constructor with string where default policy mutates value throws.");
const AsyncFunction = async function() {}.constructor;
const GeneratorFunction = function*() {}.constructor;
const AsyncGeneratorFunction = async function*() {}.constructor;
test(t => {
assert_throws_js(EvalError, _ => new AsyncFunction('return 1+1'));
}, "AsyncFunction constructor with string where default policy mutates value throws.");
test(t => {
assert_throws_js(EvalError, _ => new GeneratorFunction('return 1+1'));
}, "GeneratorFunction constructor with string where default policy mutates value throws.");
test(t => {
assert_throws_js(EvalError, _ => new AsyncGeneratorFunction('return 1+1'));
}, "AsyncGeneratorFunction constructor with string where default policy mutates value throws.");
</script>