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Test Info:

<!DOCTYPE html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<meta http-equiv="Content-Security-Policy"
content="require-trusted-types-for 'script'">
</head>
<body>
<div id="log"></div>
<svg id="svg"><script id="script">"some script text";</script></svg>
<script>
// Returns a promise that resolves with a Security Policy Violation (spv)
// even when it is received.
function promise_spv() {
return new Promise((resolve, reject) => {
window.addEventListener("securitypolicyviolation", e => {
resolve(e);
}, { once: true });
});
}
const policy = trustedTypes.createPolicy("policy", {
createScript: x => x, createHTML: x => x, createScriptURL: x => x });
promise_test(t => {
assert_throws_js(TypeError, _ => {
document.getElementById("script").innerHTML = "'modified via innerHTML';";
});
return promise_spv();
}, "Assign String to SVGScriptElement.innerHTML.");
promise_test(t => {
document.getElementById("script").innerHTML = policy.createHTML("'modified via innerHTML';");
return Promise.resolve();
}, "Assign TrustedHTML to SVGScriptElement.innerHTML.");
promise_test(t => {
const elem = document.createElementNS(
elem.innerHTML = policy.createHTML("'modified via innerHTML';");
document.getElementById("svg").appendChild(elem);
return promise_spv();
}, "Assign TrustedHTML to SVGScriptElement.innerHTML and execute it.");
promise_test(t => {
const elem = document.createElementNS(
elem.insertBefore(document.createTextNode("modified via DOM"), null);
document.getElementById("svg").appendChild(elem);
return promise_spv();
}, "Modify SVGScriptElement via DOM manipulation.");
promise_test(t => {
const elem = document.createElementNS(
assert_throws_js(TypeError, _ => {
elem.href.baseVal = "about:blank";
});
document.getElementById("svg").appendChild(elem);
return promise_spv();
}, "Assign string to SVGScriptElement.href.baseVal.");
promise_test(t => {
const elem = document.createElementNS(
elem.href.baseVal = policy.createScriptURL("about:blank");
document.getElementById("svg").appendChild(elem);
return Promise.resolve();
}, "Assign TrustedScriptURL to SVGScriptElement.href.baseVal.");
promise_test(t => {
const elem = document.createElementNS(
assert_throws_js(TypeError, _ => {
elem.setAttribute("href", "about:blank");
});
document.getElementById("svg").appendChild(elem);
return promise_spv();
}, "Assign string to non-attached SVGScriptElement.href via setAttribute.");
promise_test(t => {
const elem = document.createElementNS(
elem.setAttribute("href", policy.createScriptURL("about:blank"));
document.getElementById("svg").appendChild(elem);
return Promise.resolve();
}, "Assign TrustedScriptURL to non-attached SVGScriptElement.href via setAttribute.");
promise_test(t => {
const elem = document.createElementNS(
document.getElementById("svg").appendChild(elem);
assert_throws_js(TypeError, _ => {
elem.setAttribute("href", "about:blank");
});
return promise_spv();
}, "Assign string to attached SVGScriptElement.href via setAttribute.");
promise_test(t => {
const elem = document.createElementNS(
document.getElementById("svg").appendChild(elem);
elem.setAttribute("href", policy.createScriptURL("about:blank"));
return Promise.resolve();
}, "Assign TrustedScriptURL to attached SVGScriptElement.href via setAttribute.");
// Default policy test: We repate the string assignment tests above,
// but now expect all of them to pass.
promise_test(t => {
trustedTypes.createPolicy("default", {
createScript: x => x, createHTML: x => x, createScriptURL: x => x });
return Promise.resolve();
}, "Setup default policy");
promise_test(t => {
document.getElementById("script").innerHTML = "'modified via innerHTML';";
return Promise.resolve();
}, "Assign String to SVGScriptElement.innerHTML w/ default policy.");
promise_test(t => {
const elem = document.createElementNS(
elem.href.baseVal = "about:blank";
document.getElementById("svg").appendChild(elem);
return Promise.resolve();
}, "Assign string to SVGScriptElement.href.baseVal w/ default policy.");
promise_test(t => {
const elem = document.createElementNS(
elem.setAttribute("href", "about:blank");
document.getElementById("svg").appendChild(elem);
return Promise.resolve();
}, "Assign string to non-attached SVGScriptElement.href via setAttribute w/ default policy.");
promise_test(t => {
const elem = document.createElementNS(
document.getElementById("svg").appendChild(elem);
elem.setAttribute("href", "about:blank");
return Promise.resolve();
}, "Assign string to attached SVGScriptElement.href via setAttribute w/ default policy.");
</script>
</body>