element-render-blocking-insert-named-anchor.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/dom/render-blocking/element-render-blocking-insert-named-anchor.html?cached - WPT Dashboard Interop Dashboard
- /html/dom/render-blocking/element-render-blocking-insert-named-anchor.html?uncached - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta name="timeout" content="long">

<meta name="variant" content="?uncached">

<meta name="variant" content="?cached">

<title>rel=expect finds an inserted named anchor with a cached name collection</title>

<link rel="help" href="https://html.spec.whatwg.org/#process-internal-resource-link">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="support/utils.js"></script>

<link rel="expect" href="#target" blocking="render">

<script>

let targetInserted = false;

let parsingFinished = false;

let targets;

const t = async_test("Inserting a named anchor satisfies rel=expect with " +

                     location.search.slice(1) + " getElementsByName results");

requestAnimationFrame(t.step_func_done(() => {

  assert_true(targetInserted, "Rendering waits for the target");

  assert_false(parsingFinished,

               "Inserting the named anchor unblocks rendering");

}));

</script>

<body>

<script>

generateParserDelay();

</script>

<script>

t.step(() => {

  if (location.search === "?cached") {

    targets = document.getElementsByName("target");

    assert_equals(targets.length, 0, "Populate the cached collection before insertion");

  const anchor = document.createElement("a");

  anchor.name = "target";

  document.body.append(anchor);

  targetInserted = true;

});

generateParserDelay();

</script>

<script>

parsingFinished = true;

</script>