chromium/third_party/blink/web_tests/accessibility/button-title-uses-inner-img-alt.html

<!DOCTYPE HTML>
<html>
<body>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>

<style>
button {
  padding: 30px;
}
</style>

<button id="cake">Button with image of <img alt="cake" src="resources/cake.png" width="40px"></button>

<script>
test((t) => {
    var button = document.getElementById('cake');
    button.focus();
    assert_equals(document.activeElement == button, true);
    window.axButton = accessibilityController.focusedElement;
    assert_equals(axButton.name.indexOf('Button with image of cake') >= 0, true);
}, "This test makes sure that a generic focusable div can get accessibility focus and gets its accessible text from contents..");



</script>

</body>
</html>