| <!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_dom('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> |
