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  • This test was skipped 110 times in the preceding 7 days.
<!DOCTYPE html>
<html>
<head>
<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';">
</head>
<body>
<div id="container"></div>
<script>
var container = document.querySelector('#container');
// Trusted HTML assignments do not throw.
test(t => {
let p = createHTML_policy(window, 1);
let html = p.createHTML(INPUTS.HTML);
let before = 'before';
let after = 'after';
let htmlBefore = p.createHTML(before);
let htmlAfter = p.createHTML(after);
var d = document.createElement('div');
container.appendChild(d);
d.insertAdjacentHTML('beforebegin', html);
assert_equals(d.previousSibling.nodeType, Node.TEXT_NODE);
assert_equals(d.previousSibling.data, RESULTS.HTML);
d.insertAdjacentHTML('afterbegin', htmlBefore);
d.insertAdjacentHTML('beforeend', htmlAfter);
assert_equals(d.innerHTML, before + after);
d.insertAdjacentHTML('afterend', html);
assert_equals(d.nextSibling.nodeType, Node.TEXT_NODE);
assert_equals(d.nextSibling.data, RESULTS.HTML);
while (container.firstChild)
container.firstChild.remove();
}, "insertAdjacentHTML with html assigned via policy (successful HTML transformation).");
// String assignments throw.
test(t => {
var d = document.createElement('div');
container.appendChild(d);
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('beforebegin', "<p>Fail</p>");
});
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('afterbegin', "<p>Fail</p>");
});
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('beforeend', "<p>Fail</p>");
});
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('afterend', "<p>Fail</p>");
});
assert_equals(d.previousSibling, null);
assert_equals(d.firstChild, null);
assert_equals(d.lastChild, null);
assert_equals(d.nextSibling, null);
while (container.firstChild)
container.firstChild.remove();
}, "`insertAdjacentHTML(string)` throws.");
// Null assignment throws.
test(t => {
var d = document.createElement('div');
container.appendChild(d);
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('beforebegin', null);
});
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('afterbegin', null);
});
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('beforeend', null);
});
assert_throws_js(TypeError, _ => {
d.insertAdjacentHTML('afterend', null);
});
assert_equals(d.previousSibling, null);
assert_equals(d.firstChild, null);
assert_equals(d.lastChild, null);
assert_equals(d.nextSibling, null);
}, "`insertAdjacentHTML(null)` throws.");
// After default policy creation string assignment implicitly calls createHTML.
test(t => {
let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
var d = document.createElement('div');
container.appendChild(d);
d.insertAdjacentHTML('beforebegin', INPUTS.HTML);
assert_equals(d.previousSibling.nodeType, Node.TEXT_NODE);
assert_equals(d.previousSibling.data, RESULTS.HTML);
d.insertAdjacentHTML('afterbegin', INPUTS.HTML);
assert_equals(d.firstChild.nodeType, Node.TEXT_NODE);
assert_equals(d.firstChild.data, RESULTS.HTML);
d.insertAdjacentHTML('beforeend', INPUTS.HTML);
assert_equals(d.lastChild.nodeType, Node.TEXT_NODE);
assert_equals(d.lastChild.data, RESULTS.HTML);
d.insertAdjacentHTML('afterend', INPUTS.HTML);
assert_equals(d.nextSibling.nodeType, Node.TEXT_NODE);
assert_equals(d.nextSibling.data, RESULTS.HTML);
while (container.firstChild)
container.firstChild.remove();
}, "`insertAdjacentHTML(string)` assigned via default policy (successful HTML transformation).");
// After default policy creation null assignment implicitly calls createHTML.
test(t => {
var d = document.createElement('div');
container.appendChild(d);
d.insertAdjacentHTML('beforebegin', null);
assert_equals(d.previousSibling.nodeType, Node.TEXT_NODE);
assert_equals(d.previousSibling.data, "null");
d.insertAdjacentHTML('afterbegin', null);
assert_equals(d.firstChild.nodeType, Node.TEXT_NODE);
assert_equals(d.firstChild.data, "null");
d.insertAdjacentHTML('beforeend', null);
assert_equals(d.lastChild.nodeType, Node.TEXT_NODE);
assert_equals(d.lastChild.data, "null");
d.insertAdjacentHTML('afterend', null);
assert_equals(d.nextSibling.nodeType, Node.TEXT_NODE);
assert_equals(d.nextSibling.data, "null");
while (container.firstChild)
container.firstChild.remove();
}, "`insertAdjacentHTML(null)` assigned via default policy does not throw.");
</script>
</body>
</html>