prepend-on-Document.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /dom/nodes/prepend-on-Document.html - WPT Dashboard Interop Dashboard

<!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>