<!doctype html>
<title>Testing if integer interpolation is overflowed for 32bit integer type min/max value</title>
<link rel="author" title="Joonghun Park" href="pjh0718@gmail.com">
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<style>

#flex-container {
    display: flex;
    animation: anim-order 4s steps(4) forwards 1;
    animation-delay: -3s;
    animation-play-state: paused;
}

@keyframes anim-order {
  from {
    order: -2147483647;
  }

  to {
    order: 2147483647;
  }
}

</style>
<div id="flex-container"></div>
<script>
var test_description = "Integer interpolation should be rounded towards positive infinity";
test(
    t => {
        const container = document.getElementById("flex-container");
        const order_value = Number.parseFloat(getComputedStyle(container).getPropertyValue('order'));

        assert_greater_than(order_value, 0, "Interpolation result for z-index should be positive integer");
    },
    test_description
);
</script>