<!DOCTYPE html>
<html>
<head>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<link rel="help" href="https://html.spec.whatwg.org/multipage/dom.html#the-directionality">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>

test(() => {
    const bdi = document.createElement('bdi');
    assert_true(bdi.matches(':dir(ltr)'));
    assert_false(bdi.matches(':dir(rtl)'));

    bdi.textContent = '\u05EA';
    assert_false(bdi.matches(':dir(ltr)'));
    assert_true(bdi.matches(':dir(rtl)'));
}, 'bdi element without dir content attribute');

test(() => {
    const bdi = document.createElement('bdi');
    bdi.setAttribute('dir', 'foo');
    assert_true(bdi.matches(':dir(ltr)'));
    assert_false(bdi.matches(':dir(rtl)'));

    bdi.textContent = '\u05EA';
    assert_false(bdi.matches(':dir(ltr)'));
    assert_true(bdi.matches(':dir(rtl)'));
}, 'bdi element with invalid dir content attribute');

test(() => {
    const bdi = document.createElement('bdi');
    bdi.setAttribute('dir', 'auto');
    assert_true(bdi.matches(':dir(ltr)'));
    assert_false(bdi.matches(':dir(rtl)'));

    bdi.textContent = '\u05EA';
    assert_false(bdi.matches(':dir(ltr)'));
    assert_true(bdi.matches(':dir(rtl)'));

    bdi.setAttribute('dir', 'AUTO');
    assert_false(bdi.matches(':dir(ltr)'));
    assert_true(bdi.matches(':dir(rtl)'));
}, 'bdi element with dir=auto content attribute');

test(() => {
    const bdi = document.createElement('bdi');
    bdi.setAttribute('dir', 'ltr');
    assert_true(bdi.matches(':dir(ltr)'));
    assert_false(bdi.matches(':dir(rtl)'));

    bdi.setAttribute('dir', 'LTR');
    assert_true(bdi.matches(':dir(ltr)'));
    assert_false(bdi.matches(':dir(rtl)'));

    bdi.textContent = '\u05EA';
    assert_true(bdi.matches(':dir(ltr)'));
    assert_false(bdi.matches(':dir(rtl)'));
}, 'bdi element with dir=ltr content attribute');

test(() => {
    const bdi = document.createElement('bdi');
    bdi.setAttribute('dir', 'rtl');
    assert_false(bdi.matches(':dir(ltr)'));
    assert_true(bdi.matches(':dir(rtl)'));

    bdi.setAttribute('dir', 'RTL');
    assert_false(bdi.matches(':dir(ltr)'));
    assert_true(bdi.matches(':dir(rtl)'));

    bdi.textContent = '\u05EA';
    assert_false(bdi.matches(':dir(ltr)'));
    assert_true(bdi.matches(':dir(rtl)'));
}, 'bdi element with dir=rtl content attribute');

</script>
</body>
</html>
