chromium/third_party/blink/web_tests/external/wpt/css/css-fonts/font-palette-vs-shorthand.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Fonts Module Level 4: interaction of font-palette and font shorthand</title>
<link rel="help" href="https://drafts.csswg.org/css-fonts/#font-prop">
<meta name="assert" content="font-palette is NOT reset to normal by font shorthand.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style id="style">
@font-face {
    font-family: colr;
    src: url("resources/COLR-palettes-test-font.ttf") format("truetype");
}
div {
    margin: 10px;
}
#a {
    font: 50px colr;
    font-palette: dark;  /* should NOT cause the shorthand to be empty */
}
#b {
    font-palette: dark;
    font: 50px colr;  /* should NOT reset font-palette to normal */
}
#c {
    font-palette: dark;
    font-size: 50px;
    font-family: colr;
}
#d {
    font-palette: dark;
    font-size: 50px;
    font-family: colr;
    font-palette: normal;
}
</style>
</head>
<body>
<p>The first three examples should use the 'dark' palette; the fourth, 'normal'.</p>
<div id=a>A</div>
<div id=b>A</div>
<div id=c>A</div>
<div id=d>A</div>
<script>
test(function() {
    let testElem = document.getElementById("a");
    let computed = window.getComputedStyle(testElem);
    assert_equals(computed.fontPalette, "dark");
    assert_not_equals(computed.font, "");
    /* The exact form of the font shorthand varies, but should include these pieces: */
    assert_not_equals(computed.font.indexOf("50px"), -1);
    assert_not_equals(computed.font.indexOf("colr"), -1);
    assert_equals(computed.fontFamily, "colr");
    assert_equals(computed.fontSize, "50px");
});

test(function() {
    let testElem = document.getElementById("b");
    let computed = window.getComputedStyle(testElem);
    assert_equals(computed.fontPalette, "dark");
    assert_not_equals(computed.font, "");
    assert_not_equals(computed.font.indexOf("50px"), -1);
    assert_not_equals(computed.font.indexOf("colr"), -1);
    assert_equals(computed.fontFamily, "colr");
    assert_equals(computed.fontSize, "50px");
});

test(function() {
    let testElem = document.getElementById("c");
    let computed = window.getComputedStyle(testElem);
    assert_equals(computed.fontPalette, "dark");
    assert_not_equals(computed.font.indexOf("50px"), -1);
    assert_not_equals(computed.font.indexOf("colr"), -1);
    assert_equals(computed.fontFamily, "colr");
    assert_equals(computed.fontSize, "50px");
});

test(function() {
    let testElem = document.getElementById("d");
    let computed = window.getComputedStyle(testElem);
    assert_equals(computed.fontPalette, "normal");
    assert_not_equals(computed.font.indexOf("50px"), -1);
    assert_not_equals(computed.font.indexOf("colr"), -1);
    assert_equals(computed.fontFamily, "colr");
    assert_equals(computed.fontSize, "50px");
});
</script>
</body>
</html>