fontfaceset-has.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-font-loading/fontfaceset-has.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head id="head">

<meta charset="utf-8">

<link rel="author" title="Myles C. Maxfield" href="mmaxfield@apple.com">

<link rel="help" href="https://drafts.csswg.org/css-font-loading-3/#dom-fontfaceset-has">

<meta name="assert" content="Ensure that calling FontFaceSet.has() works properly." />

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<style id="style">

@font-face {

    font-family: "WebFont";

    src: url("resources/Rochester.otf") format("opentype");

</style>

</head>

<body>

<script>

test(function(t) {

    let fonts = document.fonts;

    let font = [...fonts.keys()][0];

    let font2 = new FontFace("WebFont2", "url('resources/GenR102.woff2') format('woff2')");

    assert_true(fonts.has(font));

    assert_false(fonts.has(font2));

    fonts.add(font2);

    assert_true(fonts.has(font));

    assert_true(fonts.has(font2));

    document.getElementById("head").removeChild(document.getElementById("style"));

    assert_false(fonts.has(font));

    assert_true(fonts.has(font2));

    fonts.delete(font2);

    assert_false(fonts.has(font));

    assert_false(fonts.has(font2));

});

</script>

</body>

</html>