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

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

function test_replaceWith(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.replaceWith();
        assert_equals(parent.innerHTML, '');
    }, nodeName + '.replaceWith() without any argument.');

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

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

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

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

    test(function() {
        var parent = document.createElement('div');
        var x = document.createElement('x');
        parent.appendChild(child);
        child.replaceWith(x);
        assert_equals(parent.innerHTML, '<x></x>');
    }, nodeName + '.replaceWith() with only one element as an 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.replaceWith(x, y, z);
        assert_equals(parent.innerHTML, '<x></x><y></y><z></z>');
    }, nodeName + '.replaceWith() with sibling of child as arguments.');

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

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

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

    test(function() {
        var parent = document.createElement('div');
        var x = document.createElement('x');
        var y = document.createElement('y');
        parent.appendChild(x);
        parent.appendChild(y);
        child.replaceWith(x, y);
        assert_equals(parent.innerHTML, '<x></x><y></y>');
    }, nodeName + '.replaceWith() on a parenless child with two elements as arguments.');

    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.replaceWith(doc2, "foo") });
        assert_equals(parent.firstChild, child);
    }, nodeName + '.replaceWith() with a Document as an argument should throw.');
}

test_replaceWith('Comment');
test_replaceWith('Element');
test_replaceWith('Text');

</script>
</html>