ChildNode-after.html

<!DOCTYPE html>

<meta charset=utf-8>

<title>ChildNode.after</title>

<link rel=help href="https://dom.spec.whatwg.org/#dom-childnode-after">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script>

function test_after(child, nodeName, innerHTML) {

    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');

        parent.appendChild(x);

        parent.appendChild(child);

        child.after(child, x);

        var expected = innerHTML + '<x></x>';

        assert_equals(parent.innerHTML, expected);

    }, nodeName + '.after() with context object itself and node as the arguments, switching positions.');

    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');

        var z = document.createElement('z');

        parent.appendChild(child);

        parent.appendChild(x);

        parent.appendChild(y);

        parent.appendChild(z);

        child.after(x, y);

        var expected = innerHTML + '<x></x><y></y><z></z>';

        assert_equals(parent.innerHTML, expected);

    }, nodeName + '.before() with some siblings of child as arguments; no changes in tree; viable sibling is first child.');

    test(function() {

        var parent = document.createElement('div')

        var v = document.createElement('v');

        var x = document.createElement('x');

        var y = document.createElement('y');

        var z = document.createElement('z');

        parent.appendChild(child);

        parent.appendChild(v);

        parent.appendChild(x);

        parent.appendChild(y);

        parent.appendChild(z);

        child.after(v, x);

        var expected = innerHTML + '<v></v><x></x><y></y><z></z>';

        assert_equals(parent.innerHTML, expected);

    }, nodeName + '.after() with some siblings of child as arguments; no changes in tree.');

    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_after(document.createComment('test'), 'Comment', '<!--test-->');

test_after(document.createElement('test'), 'Element', '<test></test>');

test_after(document.createTextNode('test'), 'Text', 'test');

</script>

</html>