public void CanCreateNestedTreeNodeByTextParametr()
{
//Act
node = new NestedTreeNode("Node 1");
//Assert
Assert.IsNotNull(node);
Assert.AreEqual("Node 1", node.Text);
}
public void CanCreateNestedTreeNodeByTextAndStateParametr()
{
//Act
node = new NestedTreeNode("Node 1", true);
//Assert
Assert.IsNotNull(node);
Assert.AreEqual("Node 1", node.Text);
Assert.IsTrue(node.Checked);
}
public void CanCreateNestedTreeNode()
{
//Act
node = new NestedTreeNode();
//Assert
Assert.IsNotNull(node);
Assert.IsInstanceOfType(node, typeof(NestedTreeNode));
Assert.IsInstanceOfType(node, typeof(System.Windows.Forms.TreeNode));
}
public void CanAddChildNode()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
//Act
node.AddChild(child1);
//Assert
Assert.AreSame(child1, node.Nodes[0]);
Assert.AreSame(node, child1.Parent);
}
public void CanGetChildNode()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
node.AddChild(child1);
//Act
NestedTreeNode actualNode = node.GetChild(0);
//Assert
Assert.AreSame(child1, actualNode);
}
public void RemoveChildByTextNotFreeMemoryOfNode()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
node.AddChild(child1);
//Act
node.RemoveChild("Child 1");
//Assert
Assert.IsNotNull(child1);
}
public void CanRemoveChildNodeByIndexParametr()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
node.AddChild(child1);
//Act
node.RemoveChild(0);
//Assert
Assert.AreEqual(0, node.Nodes.Count);
}
public void CanCloneNode()
{
//Arrange
node = new NestedTreeNode("Root", 55, true);
//Act
object actualCopy = node.Clone();
//Assert
Assert.ReferenceEquals(node, actualCopy);
Assert.AreNotSame(node, actualCopy);
Assert.AreEqual("Root", ((NestedTreeNode)actualCopy).Text);
Assert.AreEqual(55, ((NestedTreeNode)actualCopy).Value);
Assert.IsTrue(((NestedTreeNode)actualCopy).Checked);
}
public void CanCreateNestedTreeNodeWhithChildren()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
NestedTreeNode child2 = new NestedTreeNode("Child 2");
//Act
node = new NestedTreeNode("Node 1", new NestedTreeNode[] { child1, child2 });
//Assert
Assert.IsNotNull(node);
Assert.AreSame(child1, node.Nodes[0]);
Assert.AreSame(child2, node.Nodes[1]);
Assert.AreSame(node, child1.Parent);
Assert.AreSame(node, child2.Parent);
}
public void CanRemoveChildNodeByTextParametr()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
NestedTreeNode child2 = new NestedTreeNode("Child 2");
node.AddChild(child1);
node.AddChild(child2);
//Act
node.RemoveChild("Child 1");
//Assert
Assert.AreEqual(1, node.Nodes.Count);
Assert.AreEqual("Child 2", node.Nodes[0].Text);
}
public void AllSubnodesIsCheckedWhenParentIsChecked()
{
//Arrange
node = NestedTreeNodeTest.CreateTestTree();
NestedTreeNode child2 = node.GetChild(1);
//Act
child2.Checked = true;
//Assert
Assert.IsFalse(child2.Parent.Checked);
Assert.IsTrue(child2.Checked);
Assert.IsTrue(child2.Nodes[0].Checked);
Assert.IsTrue(child2.Nodes[0].Nodes[0].Checked);
Assert.IsTrue(child2.Nodes[0].Nodes[1].Checked);
Assert.IsTrue(child2.Nodes[1].Checked);
}
public void ParentNodeWorkAsNestedTreeNode()
{
//Arrange
node = NestedTreeNodeTest.CreateTestTree();
NestedTreeNode child21 = node.GetChild(1).GetChild(0);
//Act
child21.Parent.Checked = true;
//Assert
Assert.IsInstanceOfType(child21.Parent, typeof(NestedTreeNode));
Assert.IsFalse(child21.Parent.Parent.Checked);
Assert.IsTrue(child21.Parent.Checked);
Assert.IsTrue(child21.Parent.Nodes[0].Checked);
Assert.IsTrue(child21.Parent.Nodes[0].Nodes[0].Checked);
Assert.IsTrue(child21.Parent.Nodes[0].Nodes[1].Checked);
Assert.IsTrue(child21.Parent.Nodes[1].Checked);
}
public void CanRemoveChildsWithEqualsTextOnStartAndEndOfListByTextParametr()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
NestedTreeNode child2 = new NestedTreeNode("Child 2");
NestedTreeNode child3 = new NestedTreeNode("Child 1");
node.AddChild(child1);
node.AddChild(child2);
node.AddChild(child3);
//Act
node.RemoveChild("Child 1");
//Assert
Assert.AreEqual(1, node.Nodes.Count);
Assert.AreEqual("Child 2", node.Nodes[0].Text);
}
public void OnlySubnodesChangeState()
{
//Arrange
node = NestedTreeNodeTest.CreateTestTree();
NestedTreeNode child2 = node.GetChild(1);
NestedTreeNode child21 = child2.GetChild(0);
//Act
child2.Checked = true;
child21.Checked = false;
//Assert
Assert.IsFalse(child2.Parent.Checked);
Assert.IsTrue(child2.Checked);
Assert.IsFalse(child2.Nodes[0].Checked);
Assert.IsFalse(child2.Nodes[0].Nodes[0].Checked);
Assert.IsFalse(child2.Nodes[0].Nodes[1].Checked);
Assert.IsTrue(child2.Nodes[1].Checked);
}
public void NodesAreRenumeringAfterRemovingChild()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
NestedTreeNode child2 = new NestedTreeNode("Child 2");
NestedTreeNode child3 = new NestedTreeNode("Child 3");
node.AddChild(child1);
node.AddChild(child2);
node.AddChild(child3);
//Act
node.RemoveChild(1);
//Assert
Assert.AreEqual(2, node.Nodes.Count);
Assert.AreSame(child1, node.Nodes[0]);
Assert.AreSame(child3, node.Nodes[1]);
}
public void GetChildThrowArgumentOutOfRangeExceptionWhenDoesNotExistNodeWithThisIndex()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
node.AddChild(child1);
try
{
//Act
NestedTreeNode actualNode = node.GetChild(5);
}
catch (ArgumentOutOfRangeException e)
{
//Assert
Assert.AreEqual("Заданный аргумент находится вне диапазона допустимых значений.\r\nИмя параметра: index", e.Message);
return;
}
Assert.Fail();
}
public void RemoveChildByIndexThrowArgumentOutOfRangeExceptionWhenDoesNotExistNodeWithThisIndex()
{
//Arrange
NestedTreeNode child1 = new NestedTreeNode("Child 1");
node.AddChild(child1);
try
{
//Act
node.RemoveChild(5);
}
catch (ArgumentOutOfRangeException e)
{
//Assert
Assert.IsInstanceOfType(e, typeof(ArgumentOutOfRangeException));
Assert.AreEqual("Заданный аргумент находится вне диапазона допустимых значений.\r\nИмя параметра: index", e.Message);
return;
}
Assert.Fail();
}
/// <summary>
/// Создает тестовое дерево, которое можно отобразить на TreeView.
/// </summary>
/// <returns>Корень тестового дерева.</returns>
public static NestedTreeNode CreateTestTree()
{
NestedTreeNode node = new NestedTreeNode("Root");
NestedTreeNode node1 = new NestedTreeNode("1");
NestedTreeNode node211 = new NestedTreeNode("2.1.1");
NestedTreeNode node212 = new NestedTreeNode("2.1.2");
NestedTreeNode node21 = new NestedTreeNode("2.1");
node21.AddChild(node211);
node21.AddChild(node212);
NestedTreeNode node22 = new NestedTreeNode("2.2");
NestedTreeNode node2 = new NestedTreeNode("2");
node2.AddChild(node21);
node2.AddChild(node22);
NestedTreeNode node31 = new NestedTreeNode("3.1");
NestedTreeNode node32 = new NestedTreeNode("3.2");
NestedTreeNode node33 = new NestedTreeNode("3.3");
NestedTreeNode node3 = new NestedTreeNode("3");
node3.AddChild(node31);
node3.AddChild(node32);
node3.AddChild(node33);
NestedTreeNode node4 = new NestedTreeNode("4");
node.AddChild(node1);
node.AddChild(node2);
node.AddChild(node3);
node.AddChild(node4);
return(node);
}
public void CanCloneChildNodes()
{
//Arrange
node = new NestedTreeNode("Root", 55, true);
NestedTreeNode child1 = new NestedTreeNode("Child 1", 551, false);
NestedTreeNode child2 = new NestedTreeNode("Child 2", 552, false);
NestedTreeNode child21 = new NestedTreeNode("Child 21", 5551, true);
node.AddChild(child1);
node.AddChild(child2);
child2.AddChild(child21);
//Act
object actualCopy = node.Clone();
//Assert
Assert.AreEqual(node.Nodes.Count, ((NestedTreeNode)actualCopy).Nodes.Count);
Assert.ReferenceEquals(child1, ((NestedTreeNode)actualCopy).GetChild(0));
Assert.AreNotSame(child1, ((NestedTreeNode)actualCopy).GetChild(0));
Assert.AreEqual("Child 1", ((NestedTreeNode)actualCopy).GetChild(0).Text);
Assert.AreEqual(551, ((NestedTreeNode)actualCopy).GetChild(0).Value);
Assert.IsFalse(((NestedTreeNode)actualCopy).GetChild(0).Checked);
Assert.ReferenceEquals(child2, ((NestedTreeNode)actualCopy).GetChild(1));
Assert.AreNotSame(child2, ((NestedTreeNode)actualCopy).GetChild(1));
Assert.AreEqual("Child 2", ((NestedTreeNode)actualCopy).GetChild(1).Text);
Assert.AreEqual(552, ((NestedTreeNode)actualCopy).GetChild(1).Value);
Assert.IsFalse(((NestedTreeNode)actualCopy).GetChild(1).Checked);
Assert.ReferenceEquals(child21, ((NestedTreeNode)actualCopy).GetChild(1).GetChild(0));
Assert.AreNotSame(child21, ((NestedTreeNode)actualCopy).GetChild(1).GetChild(0));
Assert.AreEqual("Child 21", ((NestedTreeNode)actualCopy).GetChild(1).GetChild(0).Text);
Assert.AreEqual(5551, ((NestedTreeNode)actualCopy).GetChild(1).GetChild(0).Value);
Assert.IsTrue(((NestedTreeNode)actualCopy).GetChild(1).GetChild(0).Checked);
}
public void TestInit()
{
node = new NestedTreeNode("Root");
}
