"></script>
</head>
<body>
<script>
// <length> | thin | medium | thick
test_valid_value("border-block-start-width", "10px");
test_valid_value("border-block-start-width", "calc(10px + 0.5em)", "calc(0.5em + 10px)");
test_valid_value("border-block-start-width", "thick");
test_valid_value("border-block-start-width", "thin");
test_valid_value("border-block-end-width", "0", "0px");
test_valid_value("border-block-end-width", "calc(10px - 0.5em)", "calc(-0.5em + 10px)");
test_valid_value("border-block-end-width",