61 lines
2.5 KiB
HTML
61 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<title>Tests when script is not implicitly potentially render-blocking</title>
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<link rel="help" href="https://github.com/whatwg/html/pull/7894">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support/test-render-blocking.js"></script>
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<!--
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The test is marked "optional" because even when the document is not
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render-blocked, the user agent is still free to take other factors, which are
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not limited by the spec, into consideration and therefore decide not to
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render. However, it is still more desirable if rendering starts
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immediately/soon.
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-->
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<script class="test" data="parser-inserted async script" async
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src="support/dummy-1.js?pipe=trickle(d1)&async"></script>
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<script class="test" data="parser-inserted defer script" defer
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src="support/dummy-1.js?pipe=trickle(d1)&defer"></script>
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<script class="test" data="parser-inserted module script" type="module"
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src="support/dummy-1.mjs?pipe=trickle(d1)"></script>
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<script class="test" data="parser-inserted async module script" type="module"
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async src="support/dummy-1.mjs?pipe=trickle(d1)&async"></script>
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<script>
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function addTestScriptElement(title, attributes) {
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let element = document.createElement('script');
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element.className = 'test';
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element.setAttribute('data', title);
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Object.assign(element, attributes);
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document.head.appendChild(element);
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}
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addTestScriptElement('script-inserted script', {src: 'support/dummy-1.js?pipe=trickle(d1)&dynamic'});
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addTestScriptElement('script-inserted sync script', {async: false, src: 'support/dummy-1.js?pipe=trickle(d1)&dynamicSync'});
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addTestScriptElement('script-inserted module script', {type: 'module', src: 'support/dummy-1.mjs?pipe=trickle(d1)&dynamic'});
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</script>
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<div id="dummy">Some text</div>
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<script>
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const testElements = [...document.querySelectorAll('.test')];
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const loadObservers = testElements.map(element => new LoadObserver(element));
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promise_setup(async () => {
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// Test cases are run after rendering is unblocked.
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await new Promise(resolve => requestAnimationFrame(resolve));
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});
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for (let index = 0; index < testElements.length; ++index) {
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promise_test(
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async () => assert_false(loadObservers[index].finished),
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testElements[index].getAttribute('data') + ' is not implicitly render-blocking');
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}
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for (let index = 0; index < testElements.length; ++index) {
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promise_test(
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() => loadObservers[index].load,
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testElements[index].getAttribute('data') + ' should eventually be loaded and evaluated');
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}
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</script>
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