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using System;
using NUnit.Framework;
using System.Windows.Forms;
using SystemDrawingNamespace = System.Drawing;
namespace MonoTests.System.Windows.Forms {
[TestFixture]
public class TreeNodeTest {
[Test]
public void EmptyCtorTest ()
{
TreeNode tn = new TreeNode ();
Assert.AreEqual ("", tn.Text, "#1");
Assert.AreEqual (0, tn.Nodes.Count, "#2");
Assert.AreEqual (-1, tn.ImageIndex, "#3");
Assert.AreEqual (-1, tn.SelectedImageIndex, "#4");
// Set simple properties
tn.Text = null;
Assert.AreEqual ("", tn.Text, "#5");
tn.ImageIndex = 67;
Assert.AreEqual (67, tn.ImageIndex, "#6");
tn.SelectedImageIndex = 99;
Assert.AreEqual (99, tn.SelectedImageIndex, "#7");
}
[Test]
public void CtorTest () {
TreeNode tn = new TreeNode ("label1");
Assert.AreEqual ("label1", tn.Text);
Assert.AreEqual (0, tn.Nodes.Count);
Assert.AreEqual (-1, tn.ImageIndex, "II");
Assert.AreEqual (-1, tn.SelectedImageIndex, "SI");
Assert.IsNull (tn.FirstNode);
Assert.IsNull (tn.LastNode);
Assert.AreEqual ("", new TreeNode (null).Text);
}
[Test]
public void CtorTest2 ()
{
TreeNode tn = new TreeNode ("a1", new TreeNode[] { new TreeNode ("aa1"), new TreeNode ("aa2") } );
Assert.AreEqual ("a1", tn.Text);
Assert.AreEqual (-1, tn.ImageIndex, "II");
Assert.AreEqual (-1, tn.SelectedImageIndex, "SI");
Assert.AreEqual ("aa1", tn.Nodes [0].Text, "#1");
Assert.AreEqual ("aa2", tn.Nodes [1].Text, "#2");
Assert.AreSame (tn.FirstNode, tn.Nodes [0], "#3");
Assert.AreSame (tn.LastNode, tn.Nodes [1], "#4");
}
[Test]
public void CtorTest3 ()
{
TreeNode tn = new TreeNode ("a", 5, 9);
Assert.AreEqual ("a", tn.Text);
Assert.IsNotNull (tn.Nodes);
Assert.AreEqual (5, tn.ImageIndex);
Assert.AreEqual (9, tn.SelectedImageIndex);
Assert.AreEqual ("", new TreeNode (null, 0, 0).Text);
}
[Test, ExpectedException (typeof (ArgumentNullException))]
public void CtorException1 ()
{
new TreeNode ("", 1, 1, null);
}
[Test, ExpectedException (typeof (ArgumentNullException))]
public void CtorException2 () {
new TreeNode ("tt", null);
}
[Test]
public void Traverse ()
{
TreeNode tn_1 = new TreeNode ("1");
TreeNode tn_2 = new TreeNode ("2");
TreeNode tn_3 = new TreeNode ("3");
TreeNode tn = new TreeNode ("lev1");
tn.Nodes.Add (tn_1);
Assert.AreSame (tn, tn_1.Parent, "#1");
Assert.IsNull (tn_1.NextNode, "#2");
Assert.AreEqual (0, tn_1.Parent.Index, "#3");
tn.Nodes.Add (tn_2);
Assert.IsNull (tn_1.NextNode.NextNode, "#33");
tn.Nodes.Add (tn_3);
Assert.AreEqual (2, tn_3.Index, "#4");
Assert.AreEqual (3, tn.Nodes.Count, "#5");
Assert.AreSame (tn_2, tn_2.NextNode.PrevNode, "#6");
Assert.IsNull (tn_1.PrevNode, "#7");
}
[Test, ExpectedException (typeof (Exception))]
public void FullPathException ()
{
string s = new TreeNode ("").FullPath;
// Prevent CS0219, will never write anything
// due to previous statement throwing Exception
Console.WriteLine(s);
}
[Test]
public void FullPathTest ()
{
TreeNode tn_1 = new TreeNode ("A");
TreeNode tn_2 = new TreeNode ("B");
tn_2.Nodes.Add (tn_1);
TreeView tv = new TreeView ();
tv.Nodes.Add (tn_1);
tv.Nodes [0].Nodes.Add (tn_2);
Assert.AreEqual ("A", tn_1.FullPath, "#1");
Assert.AreEqual ("A", tv.Nodes[0].FullPath, "#2");
Assert.AreEqual (@"A\B", tn_2.FullPath, "#3");
tv.PathSeparator = "_separator_";
Assert.AreEqual ("A_separator_B", tn_2.FullPath, "#4");
}
[Test]
public void CloneTest ()
{
TreeNode orig = new TreeNode ("text", 2, 3, new TreeNode [] { new TreeNode ("child", 22, 33) });
orig.Tag = FlatStyle.Flat;
orig.Checked = true;
orig.BackColor = SystemDrawingNamespace.Color.AliceBlue;
orig.ForeColor = SystemDrawingNamespace.Color.Beige;
TreeNode clone = (TreeNode)orig.Clone ();
Assert.AreEqual ("text", clone.Text, "#1");
Assert.AreEqual (2, clone.ImageIndex, "#2");
Assert.AreEqual (3, clone.SelectedImageIndex, "#3");
Assert.AreEqual (1, clone.Nodes.Count, "#4");
Assert.AreEqual (FlatStyle.Flat, clone.Tag, "#5");
Assert.IsTrue (clone.Checked, "#6");
Assert.AreEqual ("child", clone.Nodes [0].Text, "#10");
Assert.AreEqual (22, clone.Nodes [0].ImageIndex, "#11");
Assert.AreEqual (SystemDrawingNamespace.Color.AliceBlue, clone.BackColor, "#12");
Assert.AreEqual (SystemDrawingNamespace.Color.Beige, clone.ForeColor, "#13");
}
[Test]
public void SingleNodeIndexTest ()
{
TreeNode tn_1 = new TreeNode ("A");
Assert.AreEqual (0, tn_1.Index, "#1");
TreeView tv = new TreeView ();
tv.Nodes.Add (tn_1);
Assert.AreEqual (0, tn_1.Index, "#2");
}
}
}
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