<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
'use strict';

test(() => {
    let TwoValuedOverflow = 2900; // From web_feature.mojom

    let isCounted = () => internals.isUseCounted(document, TwoValuedOverflow);
    var div = document.createElement('div');

    // Test that other position-using properties do not
    // increment the counter.

    div.style = 'inset-block: auto auto;';
    assert_false(isCounted(),
                 'other properties should not be counted');

    div.style = 'overflow: visible;';
    assert_false(isCounted(),
                 'single value should not be counted');

    div.style = 'overflow: visible visible;';
    assert_true(isCounted(),
                 'two value overflow be counted');
}, 'Two valued overflow syntax is use counted');
</script>