chromium/third_party/blink/web_tests/fast/css/fontface-constructor-error.html

<!doctype html>
<script src="../../resources/js-test.js"></script>
<script>
description('Test FontFace constructor with invalid parameters');

window.jsTestIsAsync = true;

function step1() {
    faceWithWrongSrc = new FontFace('test', 'invalid_src');
    shouldBeEqualToString('faceWithWrongSrc.status', 'error');
    faceWithWrongSrc.loaded.catch(function(e) {
        rejectionValue = e;
        shouldBeEqualToString('rejectionValue.name', 'SyntaxError');
        step2();
    });
}

function step2() {
    faceWithWrongDescriptors = new FontFace('test', 'local(Arial)', {
        'style': 'x',
        'weight': 'x',
        'unicodeRange': 'x',
        'variant': 'x',
        'featureSettings': 'x'
    });
    shouldBeEqualToString('faceWithWrongDescriptors.status', 'error');
    shouldBeEqualToString('faceWithWrongDescriptors.style', 'normal');
    shouldBeEqualToString('faceWithWrongDescriptors.weight', 'normal');
    shouldBeEqualToString('faceWithWrongDescriptors.unicodeRange', 'U+0-10FFFF');
    shouldBeEqualToString('faceWithWrongDescriptors.variant', 'normal');
    shouldBeEqualToString('faceWithWrongDescriptors.featureSettings', 'normal');
    faceWithWrongDescriptors.loaded.catch(function(e) {
        rejectionValue = e;
        shouldBeEqualToString('rejectionValue.name', 'SyntaxError');
        finishJSTest();
    });
}

step1();
</script>