font_feature_values_map_iteration.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:
- /css/css-fonts/font_feature_values_map_iteration.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>CSSFontFeatureValuesMap Iteration and Modification</title>

    <link

      rel="help"

      href="https://drafts.csswg.org/css-fonts-4/#om-fontfeaturevalues"

/>

    <meta

      name="assert"

      content="Iteration while modifying CSSFontFeatureValuesMap does not crash."

/>

    <script type="text/javascript" src="/resources/testharness.js"></script>

    <script

      type="text/javascript"

      src="/resources/testharnessreport.js"

    ></script>

  </head>

  <body>

    <style>

      @font-feature-values TestFont {

        @styleset {

          a: 1;

          b: 2;

          c: 3;

    </style>

    <script>

      test(() => {

        const rule = document.styleSheets[0].cssRules[0];

        const map = rule.styleset;

        const iterator = map.entries();

        let count = 0;

        while (count < 10) {

          const { value: entry, done } = iterator.next();

          if (done) break;

          const [key, value] = entry;

          map.delete(key);

          for (let i = 0; i < 100; i++) {

            map.set(`newkey_${count}_${i}`, i);

          count++;

      }, "Iteration of the CSSFontFeatureValuesMap does not crash.");

    </script>

  </body>

</html>