css/css-text/parsing/letter-spacing-computed.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Text: getComputedStyle().letterSpacing</title>
<link rel="help" href="https://www.w3.org/TR/css-text-3/#propdef-letter-spacing">
<meta name="assert" content="letter-spacing computed value is an absolute length.">
<meta name="assert" content="'normal' computes to zero, but the resolved value of 0px is 'normal', so that's the value that is observed.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
<style>
  #target {
    font-size: 40px;
  }
</style>
</head>
<body>
<div id="target"></div>
<script>
test_computed_value("letter-spacing", "normal");
test_computed_value("letter-spacing", "0px", "normal");

test_computed_value("letter-spacing", "10px");
test_computed_value("letter-spacing", "-20px");
test_computed_value("letter-spacing", "calc(10px - 0.5em)", "-10px");
</script>
</body>
</html>