blob: 515a1d27a79f46c3df6aa9698b810b8b2f2c84bd [file] [log] [blame]
<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
test(function () {
var node = document.createElement('div');
assert_true('prepend' in node);
var prepend = 'mine';
var getAttribute = 'mine';
with (node) {
assert_true(prepend === 'mine');
assert_false(getAttribute === 'mine');
}
assert_true('Symbol' in window);
var unscopables = Object.getPrototypeOf(node)[Symbol.unscopables];
assert_true(unscopables.prepend);
}, 'ChildNode.prepend() unscopable');
function test_prepend(node, nodeName) {
test(function() {
var parent = node.cloneNode();
parent.prepend();
assert_array_equals(parent.childNodes, []);
}, nodeName + '.prepend() without any argument, on a parent having no child.');
test(function() {
var parent = node.cloneNode();
parent.prepend(null);
assert_equals(parent.childNodes[0].textContent, 'null');
}, nodeName + '.prepend() with null as an argument, on a parent having no child.');
test(function() {
var parent = node.cloneNode();
parent.prepend(undefined);
assert_equals(parent.childNodes[0].textContent, 'undefined');
}, nodeName + '.prepend() with undefined as an argument, on a parent having no child.');
test(function() {
var parent = node.cloneNode();
parent.prepend('text');
assert_equals(parent.childNodes[0].textContent, 'text');
}, nodeName + '.prepend() with only text as an argument, on a parent having no child.');
test(function() {
var parent = node.cloneNode();
var x = document.createElement('x');
parent.prepend(x);
assert_array_equals(parent.childNodes, [x]);
}, nodeName + '.prepend() with only one element as an argument, on a parent having no child.');
test(function() {
var parent = node.cloneNode();
var child = document.createElement('test');
parent.appendChild(child);
parent.prepend(null);
assert_equals(parent.childNodes[0].textContent, 'null');
assert_equals(parent.childNodes[1], child);
}, nodeName + '.prepend() with null as an argument, on a parent having a child.');
test(function() {
var parent = node.cloneNode();
var x = document.createElement('x');
var child = document.createElement('test');
parent.appendChild(x);
parent.appendChild(child);
parent.prepend(child, x);
assert_array_equals(parent.childNodes, [child, x]);
}, nodeName + '.prepend() with all children as arguments, on a parent having two children.');
test(function() {
var parent = node.cloneNode();
var x = document.createElement('x');
var child = document.createElement('test');
parent.appendChild(child);
parent.prepend(x, 'text');
assert_equals(parent.childNodes[0], x);
assert_equals(parent.childNodes[1].textContent, 'text');
assert_equals(parent.childNodes[2], child);
}, nodeName + '.prepend() with one element and text as argument, on a parent having a child.');
test(function() {
var parent = node.cloneNode();
var doc2 = document.implementation.createDocument("http://www.w3.org/1999/xhtml", "html");
assert_throws('HierarchyRequestError', () => { parent.prepend(doc2, "foo") });
assert_equals(parent.firstChild, null);
}, nodeName + '.prepend() with a Document as an argument should throw.');
}
test_prepend(document.createElement('div'), 'Element');
test_prepend(document.createDocumentFragment(), 'DocumentFrgment');
</script>
</html>