blob: ea4b82776b416c29e950a8500cf14ce945c4150c [file] [log] [blame]
<!DOCTYPE html>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script>
test(function () {
var child = document.createElement('p');
assert_true('before' in child);
var before = 'mine';
var getAttribute = 'mine';
with (child) {
assert_true(before === 'mine');
assert_false(getAttribute === 'mine');
}
assert_true('Symbol' in window);
var unscopables = Object.getPrototypeOf(child)[Symbol.unscopables];
assert_true(unscopables.before);
}, 'ChildNode.before() unscopeable');
function test_before(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.before();
assert_equals(parent.innerHTML, innerHTML);
}, nodeName + '.before() without any argument.');
test(function() {
var parent = document.createElement('div');
parent.appendChild(child);
child.before(null);
var expected = 'null' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() with null as an argument.');
test(function() {
var parent = document.createElement('div');
parent.appendChild(child);
child.before(undefined);
var expected = 'undefined' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() with undefined as an argument.');
test(function() {
var parent = document.createElement('div');
parent.appendChild(child);
child.before('');
assert_equals(parent.firstChild.data, '');
}, nodeName + '.before() with the empty string as an argument.');
test(function() {
var parent = document.createElement('div');
parent.appendChild(child);
child.before('text');
var expected = 'text' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() with only text as an argument.');
test(function() {
var parent = document.createElement('div');
var x = document.createElement('x');
parent.appendChild(child);
child.before(x);
var expected = '<x></x>' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() with only one element as an argument.');
test(function() {
var parent = document.createElement('div');
var x = document.createElement('x');
parent.appendChild(child);
child.before(x, 'text');
var expected = '<x></x>text' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() with one element and text as arguments.');
test(function() {
var parent = document.createElement('div');
parent.appendChild(child);
child.before('text', child);
var expected = 'text' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() 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.before(x, y, z);
var expected = '<x></x><y></y><z></z>' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() 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(x);
parent.appendChild(y);
parent.appendChild(child);
child.before(y, x);
var expected = '<y></y><x></x>' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() when pre-insert behaves like prepend.');
test(function() {
var parent = document.createElement('div');
var x = document.createElement('x');
parent.appendChild(x);
parent.appendChild(document.createTextNode('1'));
var y = document.createElement('y');
parent.appendChild(y);
parent.appendChild(child);
child.before(x, '2');
var expected = '1<y></y><x></x>2' + innerHTML;
assert_equals(parent.innerHTML, expected);
}, nodeName + '.before() with one sibling of child and text as arguments.');
test(function() {
var x = document.createElement('x');
var y = document.createElement('y');
x.before(y);
assert_equals(x.previousSibling, null);
}, nodeName + '.before() on a child without any parent.');
}
test_before('Comment');
test_before('Element');
test_before('Text');
</script>
</html>