<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../../imported/w3c/web-platform-tests/css/support/computed-testcommon.js"></script>
<style>
  #container {
    container-type: inline-size;
    width: 10px;
  }
  #target {
    font-size: 40px;
  }
</style>
</head>
<body>
<div id="container">
    <div id="target"></div>
</div>
<script>
test_computed_value("perspective", "10px", "10px");
test_computed_value("perspective", "10em", "400px");
test_computed_value("perspective", "calc(10px)", "10px");
test_computed_value("perspective", "calc(-10px)", "0px");
test_computed_value("perspective", "calc(10em)", "400px");
test_computed_value("perspective", "calc(-10em)", "0px");
test_computed_value("perspective", "calc(10px + (5px * sign(20cqw - 10px)))", "5px");

test_computed_value("-webkit-perspective", "10px", "10px");
test_computed_value("-webkit-perspective", "10em", "400px");
test_computed_value("-webkit-perspective", "calc(10px)", "10px");
test_computed_value("-webkit-perspective", "calc(-10px)", "0px");
test_computed_value("-webkit-perspective", "calc(10em)", "400px");
test_computed_value("-webkit-perspective", "calc(-10em)", "0px");
test_computed_value("-webkit-perspective", "calc(10px + (5px * sign(20cqw - 10px)))", "5px");
test_computed_value("-webkit-perspective", "10", "10px");
test_computed_value("-webkit-perspective", "calc(10)", "10px");
test_computed_value("-webkit-perspective", "calc(-10)", "0px");
test_computed_value("-webkit-perspective", "calc(10 + (5 * sign(20cqw - 10px)))", "5px");
</script>
</body>
</html>