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<!DOCTYPE html>
<body>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/permissions-policy/resources/permissions-policy.js></script>
<!-- Permissions-Policy: fullscreen=self cross_origin https://www.example.com; -->
<script>
'use strict';
var same_origin = 'https://{{domains[]}}:{{ports[https][0]}}';
var cross_origin = 'https://{{domains[www]}}:{{ports[https][0]}}';
var cross_origin1 = 'https://{{domains[www1]}}:{{ports[https][0]}}';
var same_origin_src = '/permissions-policy/resources/permissions-policy-allowedfeatures.html';
var cross_origin_src = cross_origin + same_origin_src;
var cross_origin_src1 = cross_origin1 + same_origin_src;
var header_policy = `Permissions-Policy: fullscreen=(self "${cross_origin}" "https://www.example.com")`;
// Test that fullscreen's allowlist is [same_origin, cross_origin, 'https://www.example.com']
test(function() {
assert_array_equals(
document.featurePolicy.getAllowlistForFeature('fullscreen').sort(),
[same_origin, cross_origin, 'https://www.example.com'].sort());
}, header_policy + ' -- test allowlist is [same_origin, cross_origin, https://www.example.com]');
// Test that fullscreen is allowed on same-origin, but disallowd on cross-
// origin subframes. without an allow attribute.
test_allowed_feature_for_subframe(
header_policy + ' -- test fullscreen is allowed on same-origin subframe',
'fullscreen',
same_origin_src);
test_disallowed_feature_for_subframe(
header_policy + ' -- test fullscreen is disallowed on cross-origin ' + cross_origin_src + ' subframe',
'fullscreen',
cross_origin_src);
test_disallowed_feature_for_subframe(
header_policy + ' -- test fullscreen is disallowed on cross-origin ' + cross_origin_src1 + ' subframe',
'fullscreen',
cross_origin_src1);
// dynamically update sub frame's container policy to none
var allow = "fullscreen 'none';"
test_disallowed_feature_for_subframe(
header_policy + ', iframe.allow = ' + allow + ' -- test fullscreen is disallowed on same-origin subframe',
'fullscreen',
same_origin_src,
allow);
test_disallowed_feature_for_subframe(
header_policy + 'iframe.allow = ' + allow + ' -- test fullscreen is disallowed on cross-origin subframe',
'fullscreen',
cross_origin_src,
allow);
test_disallowed_feature_for_subframe(
header_policy + 'iframe.allow = ' + allow + ' -- test fullscreen is disallowed on another cross-origin subframe',
'fullscreen',
cross_origin_src1,
allow);
// dynamically update sub frame's container policy to src
allow = "fullscreen 'src';"
test_allowed_feature_for_subframe(
header_policy + ', iframe.allow = ' + allow + ' -- test fullscreen is allowed on same-origin subframe',
'fullscreen',
same_origin_src,
allow);
test_allowed_feature_for_subframe(
header_policy + 'iframe.allow = ' + allow + ' -- test fullscreen is allowed on cross-origin subframe',
'fullscreen',
cross_origin_src,
allow);
test_disallowed_feature_for_subframe(
header_policy + ', iframe.allow = ' + allow + ' -- test fullscreen is disallowed on another cross-origin subframe',
'fullscreen',
cross_origin_src1,
allow);
</script>
</body>
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