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<!DOCTYPE html>
<html>
<head>
<title>Testing new font-weight lighter/bolder table introduced in CSS Fonts level 4</title>
<link rel="help" href="https://www.w3.org/TR/css-fonts-4/#font-weight-prop" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="testcases">
<div class="testcase" style="font-family: 'CSSTest Weights Full';">
<span style="font-weight:lighter;color:red;">A</span>A<span style="font-weight:bolder;color:red;">A</span>
<span style="font: menu; font-size: 10px;">(default)</span>
</div>
</div>
<script>
testRelativeWeights = [
{ baseWeight: 99, lighter: "99", bolder: "400" },
{ baseWeight: 100, lighter: "100", bolder: "400" },
{ baseWeight: 349, lighter: "100", bolder: "400" },
{ baseWeight: 350, lighter: "100", bolder: "700" },
{ baseWeight: 549, lighter: "100", bolder: "700" },
{ baseWeight: 550, lighter: "400", bolder: "900" },
{ baseWeight: 749, lighter: "400", bolder: "900" },
{ baseWeight: 750, lighter: "700", bolder: "900" },
{ baseWeight: 899, lighter: "700", bolder: "900" },
{ baseWeight: 900, lighter: "700", bolder: "900" },
{ baseWeight: 901, lighter: "700", bolder: "901" },
];
var testcases = document.getElementById("testcases");
var testcase_template = testcases.firstElementChild; testcases.removeChild(testcase_template);
testRelativeWeights.forEach(function(element) {
var base = testcase_template.cloneNode(true);
base.children[2].textContent = element.baseWeight;
base.style.fontWeight = element.baseWeight;
testcases.appendChild(base);
test(() => {
var actualLighter = window.getComputedStyle(base.children[0]).fontWeight;
assert_equals(actualLighter, element.lighter, "Lighter value for " + element.baseWeight + " should match expected value.");
base.children[0].style.color = 'green';
}, "Test lighter font-weight for base weight " + element.baseWeight);
test(() => {
var actualBolder = window.getComputedStyle(base.children[1]).fontWeight;
assert_equals(actualBolder, element.bolder, "Bolder value " + element.baseWeight + " should match expected value.");
base.children[1].style.color = 'green';
}, "Test bolder font-weight for base weight " + element.baseWeight);
});
</script>
</body>
</html>
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