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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>
// TrustedHTML assignments do not throw.
test(t => {
let p = createHTML_policy(window, 1);
let html = p.createHTML(INPUTS.HTML);
var range = document.createRange();
range.selectNodeContents(document.documentElement);
var result = range.createContextualFragment(html);
assert_equals(result.textContent, RESULTS.HTML);
}, "range.createContextualFragment assigned via policy (successful HTML transformation).");
// String assignments throw.
test(t => {
var range = document.createRange();
range.selectNodeContents(document.documentElement);
assert_throws_js(TypeError, _ => {
var result = range.createContextualFragment("A string");
});
}, "`range.createContextualFragment(string)` throws.");
// Null assignment throws.
test(t => {
var range = document.createRange();
range.selectNodeContents(document.documentElement);
assert_throws_js(TypeError, _ => {
var result = range.createContextualFragment(null);
});
}, "`range.createContextualFragment(null)` throws.");
// After default policy creation string assignment implicitly calls createHTML
test(t => {
let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
var range = document.createRange();
range.selectNodeContents(document.documentElement);
var result = range.createContextualFragment(INPUTS.HTML);
assert_equals(result.textContent, RESULTS.HTML);
}, "`range.createContextualFragment(string)` assigned via default policy (successful HTML transformation).");
// After default policy creation null assignment implicitly calls createHTML
test(t => {
var range = document.createRange();
range.selectNodeContents(document.documentElement);
var result = range.createContextualFragment(null);
assert_equals(result.textContent, "null");
}, "`range.createContextualFragment(null)` assigned via default policy does not throw.");
</script>
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