public void CanCreateNestedTripleTreeNode()
{
node = new NestedTripleTreeNode();
Assert.IsNotNull(node);
Assert.IsInstanceOfType(node, typeof(TripleTreeNode));
Assert.IsInstanceOfType(node, typeof(System.Windows.Forms.TreeNode));
}
public void CanCreateNestedTripleTreeNodeByTextParametr()
{
//Arrange
//Act
node = new NestedTripleTreeNode("Node 1");
//Assert
Assert.IsNotNull(node);
Assert.AreEqual("Node 1", node.Text);
}
public void CanAddChildNode()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
//Act
node.AddChild(child1);
//Assert
Assert.AreSame(child1, node.Nodes[0]);
Assert.AreSame(node, child1.Parent);
}
public void AddUncheckedChildToCheckedParentChangeParentCheckStateToUnchecked()
{
//Arrange
node = new NestedTripleTreeNode("Root", null, System.Windows.Forms.CheckState.Checked);
NestedTripleTreeNode child = new NestedTripleTreeNode("Child 1", null, System.Windows.Forms.CheckState.Unchecked);
//Act
node.AddChild(child);
//Assert
Assert.AreEqual(System.Windows.Forms.CheckState.Unchecked, node.CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Unchecked, child.CheckState);
}
public void CanRemoveChildNodeByIndexParametr()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
node.AddChild(child1);
//Act
node.RemoveChild(0);
//Assert
Assert.AreEqual(0, node.Nodes.Count);
}
public void CanCreateNestedTripleTreeNodeByTextValueAndStateParametr()
{
//Arrange
//Act
node = new NestedTripleTreeNode("Node 3", 3, System.Windows.Forms.CheckState.Checked);
//Assert
Assert.IsNotNull(node);
Assert.AreEqual("Node 3", node.Text);
Assert.AreEqual(3, node.Value);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, node.CheckState);
}
public void CanGetChildNode()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
node.AddChild(child1);
//Act
NestedTripleTreeNode actualNode = node.GetChild(0);
//Assert
Assert.AreSame(child1, actualNode);
}
public void RemoveSingleChildrenFromParentNotChangeParentCheckState()
{
//Arrange
node = new NestedTripleTreeNode("Root", value: null);
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1", value: null, state: System.Windows.Forms.CheckState.Unchecked);
node.AddChild(child1);
//Act
node.RemoveChild(child1);
//Assert
Assert.AreEqual(System.Windows.Forms.CheckState.Unchecked, node.CheckState);
}
public void AddChildNodeCreateParentReference()
{
//Arrange
NestedTripleTreeNode child = new NestedTripleTreeNode("child");
node.Nodes.Add(child);
//Act
System.Windows.Forms.TreeNode parent = child.Parent;
//Assert
Assert.IsNotNull(parent);
Assert.IsInstanceOfType(parent, typeof(NestedTripleTreeNode));
Assert.AreSame(node, parent);
}
public void CanCreateNestedTripleTreeNodeByTextAndValueParametrWithChildren()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
//Act
node = new NestedTripleTreeNode("Node 4", 4, new NestedTripleTreeNode[] { child1 });
//Assert
Assert.IsNotNull(node);
Assert.AreEqual("Node 4", node.Text);
Assert.AreEqual(4, node.Value);
Assert.AreEqual(1, node.Nodes.Count);
Assert.AreSame(child1, node.Nodes[0]);
}
public void AddTwoDifferentChildsChangeParentCheckStateToIndeterminate()
{
//Arrange
node = new NestedTripleTreeNode("Root", null, System.Windows.Forms.CheckState.Checked);
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1", null, System.Windows.Forms.CheckState.Unchecked);
NestedTripleTreeNode child2 = new NestedTripleTreeNode("Child 2", null, System.Windows.Forms.CheckState.Checked);
//Act
node.AddChild(child1);
node.AddChild(child2);
//Assert
Assert.AreEqual(System.Windows.Forms.CheckState.Indeterminate, node.CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Unchecked, child1.CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child2.CheckState);
}
public void CanCreateNestedTripleTreeNodeByTextValueAndStateParametrWithChildren()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
//Act
node = new NestedTripleTreeNode("Node 4", 4, System.Windows.Forms.CheckState.Indeterminate, new NestedTripleTreeNode[] { child1 });
//Assert
Assert.IsNotNull(node);
Assert.AreEqual("Node 4", node.Text);
Assert.AreEqual(4, node.Value);
Assert.AreEqual(System.Windows.Forms.CheckState.Indeterminate, node.CheckState);
Assert.AreEqual(1, node.Nodes.Count);
Assert.AreSame(child1, node.Nodes[0]);
}
public void IfChildChangeCheckedStateToAnotherThenParentsAlsoChangeCheckState()
{
//Arrange
node = NestedTripleTreeNodeTest.CreateTestTree();
NestedTripleTreeNode child21 = node.GetChild(1).GetChild(0);
//Act
child21.CheckState = System.Windows.Forms.CheckState.Checked;
//Assert
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child21.GetChild(0).CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child21.GetChild(1).CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child21.CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Indeterminate, child21.Parent.CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Indeterminate, child21.Parent.Parent.CheckState);
}
public void AllSubnodesIsCheckedWhenParentIsChecked()
{
//Arrange
node = NestedTripleTreeNodeTest.CreateTestTree();
NestedTripleTreeNode child2 = node.GetChild(1);
//Act
child2.CheckState = System.Windows.Forms.CheckState.Checked;
//Assert
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child2.CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child2.GetChild(0).CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child2.GetChild(0).GetChild(0).CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child2.GetChild(0).GetChild(1).CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child2.GetChild(1).CheckState);
}
public void CanRemoveChildsWithEqualsTextOnStartAndEndOfListByTextParametr()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
NestedTripleTreeNode child2 = new NestedTripleTreeNode("Child 2");
NestedTripleTreeNode child3 = new NestedTripleTreeNode("Child 1");
node.AddChild(child1);
node.AddChild(child2);
node.AddChild(child3);
//Act
node.RemoveChild("Child 1");
//Assert
Assert.AreEqual(1, node.Nodes.Count);
}
public void RemoveOneOfTwoDifferentChildrenFromIndeterminateParentChangeParentCheckState()
{
//Arrange
node = new NestedTripleTreeNode("Root", value: null);
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1", value: null, state: System.Windows.Forms.CheckState.Unchecked);
NestedTripleTreeNode child2 = new NestedTripleTreeNode("Child 2", value: null, state: System.Windows.Forms.CheckState.Checked);
node.AddChild(child1);
node.AddChild(child2);
//Act
node.RemoveChild(child1);
//Assert
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, node.CheckState);
Assert.AreEqual(System.Windows.Forms.CheckState.Checked, child2.CheckState);
}
public void NodesAreRenumeringAfterRemovingChild()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
NestedTripleTreeNode child2 = new NestedTripleTreeNode("Child 2");
NestedTripleTreeNode child3 = new NestedTripleTreeNode("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 GetChildThrowArgumentOutOfRangeExceptionWhenChildIndexIsNegative()
{
//Arrange
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
node.AddChild(child1);
try
{
//Act
NestedTripleTreeNode 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
NestedTripleTreeNode child1 = new NestedTripleTreeNode("Child 1");
node.AddChild(child1);
try
{
//Act
node.RemoveChild(5);
}
catch (ArgumentOutOfRangeException e)
{
//Assert
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 NestedTripleTreeNode CreateTestTree()
{
NestedTripleTreeNode node = new NestedTripleTreeNode("Root");
NestedTripleTreeNode node1 = new NestedTripleTreeNode("1");
NestedTripleTreeNode node211 = new NestedTripleTreeNode("2.1.1");
NestedTripleTreeNode node212 = new NestedTripleTreeNode("2.1.2");
NestedTripleTreeNode node21 = new NestedTripleTreeNode("2.1");
node21.AddChild(node211);
node21.AddChild(node212);
NestedTripleTreeNode node22 = new NestedTripleTreeNode("2.2");
NestedTripleTreeNode node2 = new NestedTripleTreeNode("2");
node2.AddChild(node21);
node2.AddChild(node22);
NestedTripleTreeNode node31 = new NestedTripleTreeNode("3.1");
NestedTripleTreeNode node32 = new NestedTripleTreeNode("3.2");
NestedTripleTreeNode node33 = new NestedTripleTreeNode("3.3");
NestedTripleTreeNode node3 = new NestedTripleTreeNode("3");
node3.AddChild(node31);
node3.AddChild(node32);
node3.AddChild(node33);
NestedTripleTreeNode node4 = new NestedTripleTreeNode("4");
node.AddChild(node1);
node.AddChild(node2);
node.AddChild(node3);
node.AddChild(node4);
return(node);
}
public void TestInit()
{
node = new NestedTripleTreeNode("Root", 0, System.Windows.Forms.CheckState.Checked);
}
