<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>

test(function () {
    var child = document.createElement('p');
    assert_true('after' in child);
    var after = 'mine';
    var getAttribute = 'mine';
    with (child) {
        assert_true(after === 'mine');
        assert_false(getAttribute === 'mine');
    }
    assert_true('Symbol' in window);
    var unscopables = Object.getPrototypeOf(child)[Symbol.unscopables];
    assert_true(unscopables.after);
}, 'ChildNode.after() unscopable');

function test_after(nodeName) {
    var child;
    var innerHTML;
    if (nodeName == 'Comment') {
        child = document.createComment('test');
        innerHTML = '<!--test-->';
    } else if (nodeName == 'Element') {
        child = document.createElement('test');
        innerHTML = '<test></test>';
    } else {
        child = document.createTextNode('test');
        innerHTML = 'test';
    }

    test(function() {
        var parent = document.createElement('div');
        parent.appendChild(child);
        child.after();
        assert_equals(parent.innerHTML, innerHTML);
    }, nodeName + '.after() without any argument.');

    test(function() {
        var parent = document.createElement('div');
        parent.appendChild(child);
        child.after(null);
        var expected = innerHTML + 'null';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with null as an argument.');

    test(function() {
        var parent = document.createElement('div');
        parent.appendChild(child);
        child.after(undefined);
        var expected = innerHTML + 'undefined';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with undefined as an argument.');

    test(function() {
        var parent = document.createElement('div');
        parent.appendChild(child);
        child.after('');
        assert_equals(parent.lastChild.data, '');
    }, nodeName + '.after() with the empty string as an argument.');

    test(function() {
        var parent = document.createElement('div');
        parent.appendChild(child);
        child.after('text');
        var expected = innerHTML + 'text';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with only text as an argument.');

    test(function() {
        var parent = document.createElement('div');
        var x = document.createElement('x');
        parent.appendChild(child);
        child.after(x);
        var expected = innerHTML + '<x></x>';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with only one element as an argument.');

    test(function() {
        var parent = document.createElement('div');
        var x = document.createElement('x');
        parent.appendChild(child);
        child.after(x, 'text');
        var expected = innerHTML + '<x></x>text';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with one element and text as arguments.');

    test(function() {
        var parent = document.createElement('div');
        parent.appendChild(child);
        child.after('text', child);
        var expected = 'text' + innerHTML;
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with context object itself as the argument.');

    test(function() {
        var parent = document.createElement('div');
        var x = document.createElement('x');
        var y = document.createElement('y');
        var z = document.createElement('z');
        parent.appendChild(y);
        parent.appendChild(child);
        parent.appendChild(x);
        child.after(x, y, z);
        var expected = innerHTML + '<x></x><y></y><z></z>';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with all siblings of child as arguments.');

    test(function() {
        var parent = document.createElement('div');
        var x = document.createElement('x');
        var y = document.createElement('y');
        parent.appendChild(child);
        parent.appendChild(x);
        parent.appendChild(y);
        child.after(y, x);
        var expected = innerHTML + '<y></y><x></x>';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() when pre-insert behaves like append.');

    test(function() {
        var parent = document.createElement('div');
        var x = document.createElement('x');
        var y = document.createElement('y');
        parent.appendChild(child);
        parent.appendChild(x);
        parent.appendChild(document.createTextNode('1'));
        parent.appendChild(y);
        child.after(x, '2');
        var expected = innerHTML + '<x></x>21<y></y>';
        assert_equals(parent.innerHTML, expected);
    }, nodeName + '.after() with one sibling of child and text as arguments.');

    test(function() {
        var x = document.createElement('x');
        var y = document.createElement('y');
        x.after(y);
        assert_equals(x.nextSibling, null);
    }, nodeName + '.after() on a child without any parent.');

    test(function() {
        var parent = document.createElement('div');
        parent.appendChild(child);
        var doc2 = document.implementation.createDocument("http://www.w3.org/1999/xhtml", "html");
        assert_throws('HierarchyRequestError', () => { child.after(doc2, "foo") });
        assert_equals(parent.firstChild, child);
    }, nodeName + '.after() with a Document as an argument should throw.');
}

test_after('Comment');
test_after('Element');
test_after('Text');

</script>
</html>