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<!DOCTYPE html>
<title>Tests the 'blocking' IDL attribute on link, script and style elements</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
// Tests that the 'blocking' attribute follows the IDL:
// [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking;
test(() => {
const link = document.createElement('link');
assert_true(link.blocking.supports('render'));
assert_false(link.blocking.supports('asdf'));
}, "Supported tokens of the 'blocking' IDL attribute of the link element");
test(() => {
const link = document.createElement('link');
link.blocking = 'asdf';
assert_equals(link.blocking.value, 'asdf');
}, "Setting the 'blocking' IDL attribute of the link element");
test(() => {
const script = document.createElement('script');
assert_true(script.blocking.supports('render'));
assert_false(script.blocking.supports('asdf'));
}, "Supported tokens of the 'blocking' IDL attribute of the script element");
test(() => {
const script = document.createElement('script');
script.blocking = 'asdf';
assert_equals(script.blocking.value, 'asdf');
}, "Setting the 'blocking' IDL attribute of the script element");
test(() => {
const style = document.createElement('style');
assert_true(style.blocking.supports('render'));
assert_false(style.blocking.supports('asdf'));
}, "Supported tokens of the 'blocking' IDL attribute of the style element");
test(() => {
const style = document.createElement('style');
style.blocking = 'asdf';
assert_equals(style.blocking.value, 'asdf');
}, "Setting the 'blocking' IDL attribute of the style element");
</script>
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