summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/dom/nodes/prepend-on-Document.html
blob: 1d6d43a46392650796cbcaae413f7ad630633a57 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
<!DOCTYPE html>
<meta charset=utf-8>
<title>DocumentType.prepend</title>
<link rel=help href="https://dom.spec.whatwg.org/#dom-parentnode-prepend">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>

function test_prepend_on_Document() {

    var node = document.implementation.createDocument(null, null);
    test(function() {
        var parent = node.cloneNode();
        parent.prepend();
        assert_array_equals(parent.childNodes, []);
    }, 'Document.prepend() without any argument, on a Document having no child.');

    test(function() {
        var parent = node.cloneNode();
        var x = document.createElement('x');
        parent.prepend(x);
        assert_array_equals(parent.childNodes, [x]);
    }, 'Document.prepend() with only one element as an argument, on a Document having no child.');

    test(function() {
        var parent = node.cloneNode();
        var x = document.createElement('x');
        var y = document.createElement('y');
        parent.appendChild(x);
        assert_throws_dom('HierarchyRequestError', function() { parent.prepend(y); });
        assert_array_equals(parent.childNodes, [x]);
    }, 'Document.append() with only one element as an argument, on a Document having one child.');

    test(function() {
        var parent = node.cloneNode();
        assert_throws_dom('HierarchyRequestError', function() { parent.prepend('text'); });
        assert_array_equals(parent.childNodes, []);
    }, 'Document.prepend() with text as an argument, on a Document having no child.');

    test(function() {
        var parent = node.cloneNode();
        var x = document.createElement('x');
        var y = document.createElement('y');
        assert_throws_dom('HierarchyRequestError', function() { parent.prepend(x, y); });
        assert_array_equals(parent.childNodes, []);
    }, 'Document.prepend() with two elements as the argument, on a Document having no child.');

}

test_prepend_on_Document();

</script>
</html>