blocking-idl-attr.html

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This WPT test may be referenced by the following Test IDs:
- /html/dom/render-blocking/blocking-idl-attr.html - WPT Dashboard Interop Dashboard

<!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>