| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>AnimationNode previousSibling attribute tests</title> |
| <meta name="assert" content="The previous sibling of this animation node"> |
| <link rel="help" href="http://w3c.github.io/web-animations/#dom-animationnode-previoussibling"> |
| <link rel="help" href="http://www.w3.org/TR/dom/#concept-tree-previous-sibling"> |
| <link rel="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru"> |
| <link rel="author" title="Aleksei Yu. Semenov" href="mailto:a.semenov@unipro.ru"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../testcommon.js"></script> |
| <link rel="stylesheet" href="/resources/testharness.css"> |
| <body> |
| <div id="log"></div> |
| <script> |
| test(function() { |
| var nodes = [ |
| newAnimation(createDiv(this)), |
| new AnimationGroup([]), |
| new AnimationSequence([]) |
| ]; |
| nodes.forEach(function(node) { |
| assert_equals(node.previousSibling, null, type(node) + '.previousSibling should be null'); |
| }); |
| }, 'AnimationNode.previousSibling is null if the node is standalone'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node) { |
| var parent = new parentCtor([node]); |
| |
| assert_equals(node.previousSibling, null, type(node) + '.previousSibling ' + |
| 'should be null'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling is null if the node is the only child of its parent'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node1) { |
| var node2 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1, node2]); |
| |
| assert_equals(node1.previousSibling, null, type(node1) + '.previousSibling should be null'); |
| assert_equals(node2.previousSibling, node1, type(node2) + '.previousSibling should return ' + |
| 'previous sibling of this animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node. Test first child'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1, node2]); |
| |
| assert_equals(node1.previousSibling, null, type(node1) + '.previousSibling should be null'); |
| assert_equals(node2.previousSibling, node1, type(node2) + '.previousSibling should return ' + |
| 'previous sibling of this animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node. Test second child'); |
| |
| test(function() { |
| var node1 = newAnimation(createDiv(this)); |
| var node2 = newAnimation(createDiv(this)); |
| var node3 = newAnimation(createDiv(this)); |
| var node4 = newAnimation(createDiv(this)); |
| var node5 = newAnimation(createDiv(this)); |
| var node6 = newAnimation(createDiv(this)); |
| var node7 = new AnimationGroup([node3, node4]); |
| var node8 = new AnimationGroup([node5, node6]); |
| var node9 = newAnimation(createDiv(this)); |
| var group = new AnimationGroup([node1, node2, node7, node8, node9]); |
| |
| assert_equals(group.previousSibling, null, 'AnimationNode.previousSibling should return ' + |
| 'null (root node)'); |
| assert_equals(node1.previousSibling, null, 'AnimationNode.previousSibling should return ' + |
| 'null for the first node in the group'); |
| assert_equals(node2.previousSibling, node1, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node'); |
| assert_equals(node3.previousSibling, null, 'AnimationNode.previousSibling should be null ' + |
| 'for the first node in the nested group'); |
| assert_equals(node4.previousSibling, node3, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (first node in the nested group)'); |
| assert_equals(node5.previousSibling, null, 'AnimationNode.previousSibling should be null ' + |
| 'for the first node in the second nested group'); |
| assert_equals(node6.previousSibling, node5, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (first node in the second nested group)'); |
| assert_equals(node7.previousSibling, node2, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (first nested group)'); |
| assert_equals(node8.previousSibling, node7, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (second nested group)'); |
| assert_equals(node9.previousSibling, node8, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node'); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node. Test ' + |
| 'tree structure with AnimationGroup'); |
| |
| test(function() { |
| var node1 = newAnimation(createDiv(this)); |
| var node2 = newAnimation(createDiv(this)); |
| var node3 = newAnimation(createDiv(this)); |
| var node4 = newAnimation(createDiv(this)); |
| var node5 = newAnimation(createDiv(this)); |
| var node6 = newAnimation(createDiv(this)); |
| var node7 = new AnimationSequence([node3, node4]); |
| var node8 = new AnimationSequence([node5, node6]); |
| var node9 = newAnimation(createDiv(this)); |
| var sequence = new AnimationSequence([node1, node2, node7, node8, node9]); |
| |
| assert_equals(sequence.previousSibling, null, 'AnimationNode.previousSibling should return ' + |
| 'null (root node)'); |
| assert_equals(node1.previousSibling, null, 'AnimationNode.previousSibling should return ' + |
| 'null for the first node in the group'); |
| assert_equals(node2.previousSibling, node1, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node'); |
| assert_equals(node3.previousSibling, null, 'AnimationNode.previousSibling should be null ' + |
| 'for the first node in the nested group'); |
| assert_equals(node4.previousSibling, node3, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (first node in the nested group)'); |
| assert_equals(node5.previousSibling, null, 'AnimationNode.previousSibling should be null ' + |
| 'for the first node in the second nested group'); |
| assert_equals(node6.previousSibling, node5, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (first node in the second nested group)'); |
| assert_equals(node7.previousSibling, node2, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (first nested group)'); |
| assert_equals(node8.previousSibling, node7, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node (second nested group)'); |
| assert_equals(node9.previousSibling, node8, 'AnimationNode.previousSibling should return ' + |
| 'previous sibling of this animation node'); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node. Test ' + |
| 'tree structure with AnimationSequence'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1, node2]); |
| node2.before(node3); |
| |
| assert_equals(node1.previousSibling, null, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node1, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, node3, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is changed by method before()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node3) { |
| var node1 = newAnimation(createDiv(test)); |
| var node2 = newAnimation(createDiv(test)); |
| var parent1 = new parentCtor([node1, node2]); |
| var parent2 = new parentCtor([node3]); |
| |
| node3.before(node1); |
| |
| assert_equals(node1.previousSibling, null, type(node3) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, null, type(node3) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node1, type(node3) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is removed by method before()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var node4 = new AnimationGroup([]); |
| var node5 = new AnimationSequence([]); |
| var parent = new parentCtor([node1, node2]); |
| node2.before(node3, node4, node5); |
| |
| assert_equals(node1.previousSibling, null, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node1, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node4.previousSibling, node3, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node5.previousSibling, node4, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, node5, type(node2) + '.before() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'several nodes are added by method before()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node1) { |
| var node2 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1, node2]); |
| node1.after(node3); |
| |
| assert_equals(node1.previousSibling, null, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node1, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, node3, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is changed by method after()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node3) { |
| var node1 = newAnimation(createDiv(test)); |
| var node2 = newAnimation(createDiv(test)); |
| var parent1 = new parentCtor([node1, node2]); |
| var parent2 = new parentCtor([node3]); |
| |
| node3.after(node1); |
| |
| assert_equals(node1.previousSibling, node3, type(node3) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, null, type(node3) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, null, type(node3) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is removed by method after()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node1) { |
| var node2 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var node4 = new AnimationGroup([]); |
| var node5 = new AnimationSequence([]); |
| var parent = new parentCtor([node1, node2]); |
| node1.after(node3, node4, node5); |
| |
| assert_equals(node1.previousSibling, null, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node1, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node4.previousSibling, node3, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node5.previousSibling, node4, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, node5, type(node1) + '.after() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'several nodes are added by method after()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var node4 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1, node2, node3]); |
| node2.replace(node4); |
| |
| assert_equals(node4.previousSibling, node1, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, null, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node4, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is changed by method replace()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node4) { |
| var node1 = newAnimation(createDiv(test)); |
| var node2 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var parent1 = new parentCtor([node1, node2, node3]); |
| var parent2 = new parentCtor([node4]); |
| |
| node4.replace(node2); |
| |
| assert_equals(node3.previousSibling, node1, type(node4) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, null, type(node4) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is removed by method replace()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var node4 = newAnimation(createDiv(test)); |
| var node5 = new AnimationGroup([]); |
| var node6 = new AnimationSequence([]); |
| var parent = new parentCtor([node1, node2, node3]); |
| node2.replace(node4, node5, node6); |
| |
| assert_equals(node4.previousSibling, node1, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node5.previousSibling, node4, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node6.previousSibling, node5, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node6, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, null, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'several nodes are added by method replace()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1, node2, node3]); |
| node2.remove(); |
| |
| assert_equals(node3.previousSibling, node1, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, null, type(node2) + '.replace() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is changed by method remove()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node1) { |
| var node2 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1]); |
| parent.prepend(node2); |
| |
| assert_equals(node1.previousSibling, node2, parentCtor.name + '.prepend() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is changed by method AnimationGroup.prepend()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var parent1 = new parentCtor([node1, node2]); |
| var parent2 = new parentCtor([node3]); |
| |
| parent2.prepend(node1); |
| |
| assert_equals(node2.previousSibling, null, parentCtor.name + '.prepend() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node1, parentCtor.name + '.prepend() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is removed by method AnimationGroup.prepend()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var node1 = newAnimation(createDiv(test)); |
| var node2 = new AnimationGroup([]); |
| var node3 = new AnimationSequence([]); |
| var node4 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1]); |
| parent.prepend(node2, node3, node4); |
| |
| assert_equals(node2.previousSibling, null, parentCtor.name + '.prepend() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node2, parentCtor.name + '.prepend() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node4.previousSibling, node3, parentCtor.name + '.prepend() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node1.previousSibling, node4, parentCtor.name + '.prepend() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'several nodes are added by method AnimationGroup.prepend()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var parent = new parentCtor([node1]); |
| parent.append(node2); |
| |
| assert_equals(node1.previousSibling, null, parentCtor.name + '.append() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node2.previousSibling, node1, parentCtor.name + '.append() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is changed by method AnimationGroup.append()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node2) { |
| var node1 = newAnimation(createDiv(test)); |
| var node3 = newAnimation(createDiv(test)); |
| var parent1 = new parentCtor([node1, node2]); |
| var parent2 = new parentCtor([node3]); |
| |
| parent2.append(node1); |
| |
| assert_equals(node2.previousSibling, null, parentCtor.name + '.append() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node1.previousSibling, node3, parentCtor.name + '.append() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'the previous sibling is removed by method AnimationGroup.append()'); |
| |
| test(function() { |
| var test = this; |
| var parents = [AnimationGroup, AnimationSequence]; |
| parents.forEach(function(parentCtor) { |
| var nodes = [newAnimation(createDiv(test)), new AnimationGroup([]), new AnimationSequence([])]; |
| nodes.forEach(function(node1) { |
| var node2 = newAnimation(createDiv(test)); |
| var node3 = new AnimationGroup([]); |
| var node4 = new AnimationSequence([]); |
| var parent = new parentCtor([node1]); |
| parent.append(node2, node3, node4); |
| |
| assert_equals(node2.previousSibling, node1, parentCtor.name + '.append() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node3.previousSibling, node2, parentCtor.name + '.append() should update ' + |
| 'previous sibling of animation node'); |
| assert_equals(node4.previousSibling, node3, parentCtor.name + '.append() should update ' + |
| 'previous sibling of animation node'); |
| }); |
| }); |
| }, 'AnimationNode.previousSibling returns previous sibling of this animation node, ' + |
| 'several nodes are added by method AnimationGroup.append()'); |
| </script> |
| </body> |
