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<!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>
<script>
// Trusted HTML assignments do not throw.
test(t => {
let p = createHTML_policy(window, 1);
let html = p.createHTML(INPUTS.HTML);
let parser = new DOMParser();
let doc = parser.parseFromString(html, "text/html");
assert_equals(doc.body.innerText, RESULTS.HTML);
}, "document.innerText assigned via policy (successful HTML transformation).");
// String assignments throw.
test(t => {
var parser = new DOMParser();
assert_throws_js(TypeError, _ => {
var doc = parser.parseFromString("Fail", "text/html");
});
}, "`document.innerText = string` throws.");
// Null assignment throws.
test(t => {
var parser = new DOMParser();
assert_throws_js(TypeError, _ => {
var doc = parser.parseFromString(null, "text/html");
});
}, "'document.innerText = null' throws");
// After default policy creation string assignment implicitly calls createHTML.
test(t => {
let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
let parser = new DOMParser();
let doc = parser.parseFromString(INPUTS.HTML, "text/html");
assert_equals(doc.body.innerText, RESULTS.HTML);
}, "'document.innerText = string' assigned via default policy (successful HTML transformation).");
// After default policy creation null assignment implicitly calls createHTML.
test(t => {
var parser = new DOMParser();
var doc = parser.parseFromString(null, "text/html");
assert_equals(doc.body.innerText, "null");
}, "'document.innerText = null' assigned via default policy does not throw");
</script>
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