font-size-with-zoom-enabled.html | Explore in Territory

<!DOCTYPE HTML>
<head>
  <meta name="viewport" content="width=device-width, initial-scale=2">
  <script src="../resources/testharness.js"></script>
  <script src="../resources/testharnessreport.js"></script>
</head>
<body>

<p id="test-para" style="font-size: 10px">This is a test</p>
<p id="test-para-scale" style="transform: scale(3); font-size: 10px">This is a test</p>

<script>

function axElementById(id) {
    return accessibilityController.accessibleElementById(id);
}

test(function(t) {
  let paragraph = axElementById('test-para');
  assert_equals(paragraph.fontSize, 10);
}, "Font size isn't affected by page zoom");

test(function(t) {
  testRunner.setPageZoomFactor(1);
  let paragraph = axElementById('test-para-scale');
  assert_equals(paragraph.fontSize, 10);
}, "Font size isn't affected by scale transforms");

</script>
</body>

chromium/third_party/blink/web_tests/accessibility/font-size-with-zoom-enabled.html