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399 lines
16 KiB
C#
399 lines
16 KiB
C#
/* Copyright (c) Citrix Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System.Windows.Forms;
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using NUnit.Framework;
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using XenAdmin.Controls;
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using System;
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using System.Drawing;
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namespace XenAdminTests.TreeTests
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{
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[TestFixture, Category(TestCategories.UICategoryB)]
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public class VirtualTreeViewTests
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{
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private VirtualTreeView _vtv;
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private TreeView _tv;
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private static void AssertNodeIsDummy(TreeNode node)
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{
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Assert.IsFalse(node is VirtualTreeNode);
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Assert.AreEqual("DummyTreeNode", node.GetType().Name, "node isn't DummyTreeNode");
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}
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[SetUp]
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public void Setup()
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{
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_vtv = new VirtualTreeView();
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_tv = _vtv;
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// ensure handle is created. Some tests fail if you don't do this.
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IntPtr h = _vtv.Handle;
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}
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[Test]
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public void TestAddRootNode()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("rootNode"));
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Assert.AreEqual(1, _tv.Nodes.Count);
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Assert.AreEqual("rootNode", _tv.Nodes[0].Text);
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}
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[Test]
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public void TestAddChildNodeWhenRootCollapsed()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Collapse();
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child"));
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Assert.AreEqual(1, _tv.Nodes[0].Nodes.Count);
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AssertNodeIsDummy(_tv.Nodes[0].Nodes[0]);
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// now expand the rootnode, and the child should be there.
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_vtv.Nodes[0].Expand();
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Assert.AreEqual(1, _tv.Nodes[0].Nodes.Count);
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Assert.AreEqual("child", _tv.Nodes[0].Nodes[0].Text);
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}
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[Test]
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public void TestAddChildNodesWithRootCollapsed()
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{
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// add root node
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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// ensure root node collapsed
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_vtv.Nodes[0].Collapse();
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// now add some child nodes.
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("firstChild"));
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_vtv.Nodes[0].Nodes[0].Nodes.Add(new VirtualTreeNode("secondChild"));
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// now expand the rootnode, and the first child should be there but the second child shouldn't
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_vtv.Nodes[0].Expand();
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Assert.AreEqual(1, _tv.Nodes[0].Nodes.Count);
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Assert.AreEqual("firstChild", _tv.Nodes[0].Nodes[0].Text);
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Assert.AreEqual(1, _tv.Nodes[0].Nodes[0].Nodes.Count);
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AssertNodeIsDummy(_tv.Nodes[0].Nodes[0].Nodes[0]);
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// now expand firstChild to make secondChild visible
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_tv.Nodes[0].Nodes[0].Expand();
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Assert.AreEqual(1, _tv.Nodes[0].Nodes[0].Nodes.Count);
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Assert.AreEqual("secondChild", _tv.Nodes[0].Nodes[0].Nodes[0].Text);
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}
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[Test]
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public void TestAddChildNodeWhenRootExpanded()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child"));
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_vtv.Nodes[0].Expand();
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child2"));
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Assert.AreEqual(2, _tv.Nodes[0].Nodes.Count);
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Assert.AreEqual("child", _tv.Nodes[0].Nodes[0].Text);
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Assert.AreEqual("child2", _tv.Nodes[0].Nodes[1].Text);
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}
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[Test]
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public void TestAddChildNodesWhenRootExpanded()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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// now add some child node and expand.
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child"));
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_vtv.Nodes[0].Expand();
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child2"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child3"));
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Assert.AreEqual(3, _tv.Nodes[0].Nodes.Count);
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Assert.AreEqual("child", _tv.Nodes[0].Nodes[0].Text);
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Assert.AreEqual("child2", _tv.Nodes[0].Nodes[1].Text);
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Assert.AreEqual("child3", _tv.Nodes[0].Nodes[2].Text);
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}
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[Test]
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public void TestAddSubtreeWithRootCollapsed()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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// build subtree
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VirtualTreeNode subTree = new VirtualTreeNode("firstChild");
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subTree.Nodes.Add(new VirtualTreeNode("secondChild"));
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subTree.Nodes[0].Nodes.Add(new VirtualTreeNode("thirdChild"));
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// only expand secondChild
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subTree.Nodes[0].Expand();
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// now add subtree
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_vtv.Nodes[0].Nodes.Add(subTree);
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// root node should only have dummy
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Assert.AreEqual(1, _tv.Nodes[0].Nodes.Count);
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AssertNodeIsDummy(_tv.Nodes[0].Nodes[0]);
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// in the virtual collections, the expanded states should still be correct
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Assert.IsFalse(subTree.IsExpanded);
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Assert.IsTrue(subTree.Nodes[0].IsExpanded);
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Assert.IsFalse(subTree.Nodes[0].Nodes[0].IsExpanded);
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// now expand the root node. only the first child should be visible
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_vtv.Nodes[0].Expand();
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Assert.AreEqual(1, _tv.Nodes[0].Nodes.Count);
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Assert.AreEqual("firstChild", _tv.Nodes[0].Nodes[0].Text);
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Assert.AreEqual(1, _tv.Nodes[0].Nodes[0].Nodes.Count);
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AssertNodeIsDummy(_tv.Nodes[0].Nodes[0].Nodes[0]);
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// now expand the first child, this should result in the secondChild AND thirdChild becoming visible (as secondChild was expanded before it was added to the treeview)
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_vtv.Nodes[0].Nodes[0].Expand();
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Assert.AreEqual(1, _tv.Nodes[0].Nodes[0].Nodes.Count);
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Assert.AreEqual("secondChild", _tv.Nodes[0].Nodes[0].Nodes[0].Text);
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Assert.AreEqual(1, _tv.Nodes[0].Nodes[0].Nodes[0].Nodes.Count);
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Assert.AreEqual("thirdChild", _tv.Nodes[0].Nodes[0].Nodes[0].Nodes[0].Text);
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}
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[Test]
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public void TestSelectedSiblingWhichIsntVisible()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Nodes.Insert(0, new VirtualTreeNode("firstChild"));
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_vtv.Nodes[0].Nodes.Insert(1, new VirtualTreeNode("secondChild"));
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_vtv.SelectedNode = _vtv.Nodes[0].Nodes[1];
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Assert.AreEqual(_vtv.SelectedNode, _vtv.Nodes[0].Nodes[1], "Sibling was not correctly selected.");
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}
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[Test]
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public void TestSelectedSiblingWhichIsntVisible2()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Nodes.Insert(0, new VirtualTreeNode("firstChild"));
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_vtv.Nodes[0].Nodes.Insert(1, new VirtualTreeNode("secondChild"));
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_vtv.SelectedNode = _vtv.Nodes[0].Nodes[0];
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Assert.AreEqual(_vtv.SelectedNode, _vtv.Nodes[0].Nodes[0], "Sibling was not correctly selected.");
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}
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[Test]
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public void RemoveAndReAddTest()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Nodes.Insert(0, new VirtualTreeNode("firstChild"));
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VirtualTreeNode secondChild = new VirtualTreeNode("secondChild");
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_vtv.Nodes[0].Nodes.Insert(1, secondChild);
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// expand and then collapse root node
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_vtv.Nodes[0].Expand();
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_vtv.Nodes[0].Collapse();
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// now remove secondChild
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_vtv.Nodes[0].Nodes.RemoveAt(1);
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// now re-add it
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_vtv.Nodes.Add(secondChild);
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Assert.AreEqual(1, _vtv.Nodes[0].Nodes.Count, "node wasn't removed.");
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Assert.AreEqual(secondChild, _vtv.Nodes[1], "node wasn't re-added");
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}
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[Test]
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public void TestSimpleRootNodeUpdateWhenCollapsed()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child"));
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VirtualTreeNode newRoot = new VirtualTreeNode("newRoot");
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newRoot.Nodes.Add(new VirtualTreeNode("newChild"));
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_vtv.UpdateRootNodes(new VirtualTreeNode[] { newRoot });
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Assert.AreEqual(1, _vtv.Nodes.Count, "Virtual nodes weren't correctly updated.");
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Assert.AreEqual(1, _vtv.Nodes[0].Nodes.Count, "Virtual nodes weren't correctly updated.");
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Assert.AreEqual("newRoot", _vtv.Nodes[0].Text, "Virtual nodes weren't correctly updated.");
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Assert.AreEqual("newChild", _vtv.Nodes[0].Nodes[0].Text, "Virtual nodes weren't correctly updated.");
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Assert.AreEqual(1, _tv.Nodes.Count, "Nodes weren't correctly updated.");
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Assert.AreEqual(1, _tv.Nodes[0].Nodes.Count, "Nodes weren't correctly updated.");
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Assert.AreEqual("newRoot", _tv.Nodes[0].Text, "Nodes weren't correctly updated.");
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AssertNodeIsDummy(_tv.Nodes[0].Nodes[0]);
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}
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[Test]
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public void TestPropertiesOnSimpleRootNodeUpdate()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child"));
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VirtualTreeNode newRoot = new VirtualTreeNode("newRoot");
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//newRoot.ImageIndexFetcher = delegate { return 1; };
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newRoot.ImageIndex = 3;
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newRoot.SelectedImageIndex = 4;
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newRoot.Text = "hello";
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newRoot.NodeFont = SystemFonts.CaptionFont;
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newRoot.BackColor = Color.Beige;
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newRoot.ForeColor = Color.Bisque;
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_vtv.UpdateRootNodes(new VirtualTreeNode[] { newRoot });
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//Assert.IsNotNull(_vtv.Nodes[0].ImageIndexFetcher, "ImageIndexFetcher");
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Assert.AreEqual(3, _vtv.Nodes[0].ImageIndex);
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Assert.AreEqual(4, _vtv.Nodes[0].SelectedImageIndex);
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Assert.AreEqual("hello", _vtv.Nodes[0].Text);
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Assert.AreEqual(SystemFonts.CaptionFont, _vtv.Nodes[0].NodeFont);
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Assert.AreEqual(Color.Beige, _vtv.Nodes[0].BackColor);
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Assert.AreEqual(Color.Bisque, _vtv.Nodes[0].ForeColor);
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Assert.AreEqual(3, _tv.Nodes[0].ImageIndex);
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Assert.AreEqual(4, _tv.Nodes[0].SelectedImageIndex);
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Assert.AreEqual("hello", _tv.Nodes[0].Text);
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Assert.AreEqual(SystemFonts.CaptionFont, _tv.Nodes[0].NodeFont);
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Assert.AreEqual(Color.Beige, _tv.Nodes[0].BackColor);
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Assert.AreEqual(Color.Bisque, _tv.Nodes[0].ForeColor);
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}
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[Test]
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public void TestNodeDeleteOnRootNodeUpdate()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes.Add(new VirtualTreeNode("root2"));
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_vtv.Nodes.Add(new VirtualTreeNode("root3"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child2"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child3"));
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_vtv.Nodes[0].Nodes[0].Nodes.Add(new VirtualTreeNode("grandchild"));
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_vtv.Nodes[0].Nodes[0].Nodes.Add(new VirtualTreeNode("grandchild2"));
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_vtv.Nodes[0].Nodes[0].Nodes.Add(new VirtualTreeNode("grandchild3"));
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_vtv.Nodes[0].Expand();
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_vtv.Nodes[1].Expand();
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_vtv.Nodes[2].Expand();
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_vtv.Nodes[0].Nodes[0].Expand();
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VirtualTreeNode newRoot = new VirtualTreeNode("newRoot");
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newRoot.Nodes.Add(new VirtualTreeNode("newChild"));
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newRoot.Nodes[0].Nodes.Add(new VirtualTreeNode("newGrandChild"));
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_vtv.UpdateRootNodes(new VirtualTreeNode[] { newRoot });
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Assert.AreEqual(1, _vtv.Nodes.Count);
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Assert.AreEqual(1, _vtv.Nodes[0].Nodes.Count);
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Assert.AreEqual(1, _vtv.Nodes[0].Nodes[0].Nodes.Count);
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Assert.AreEqual(1, _tv.Nodes.Count);
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Assert.AreEqual(1, _tv.Nodes[0].Nodes.Count);
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Assert.AreEqual("newRoot", _tv.Nodes[0].Text);
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Assert.AreEqual("newChild", _tv.Nodes[0].Nodes[0].Text);
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Assert.AreEqual("newGrandChild", _tv.Nodes[0].Nodes[0].Nodes[0].Text);
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}
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[Test]
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public void TestChildNodesRemovedWhenUpdatingParentNodes()
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{
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_vtv.Nodes.Add(new VirtualTreeNode("root"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child2"));
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_vtv.Nodes[0].Nodes.Add(new VirtualTreeNode("child3"));
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_vtv.UpdateRootNodes(new VirtualTreeNode[] { new VirtualTreeNode("newRoot") });
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Assert.AreEqual(0, _vtv.Nodes[0].Nodes.Count, "The last virtual child node wasn't removed");
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Assert.AreEqual(0, _tv.Nodes[0].Nodes.Count, "The last real child node wasn't removed");
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}
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[Test]
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public void TestUpdateWhenRemoveAllChildNodesOfExandedParent()
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{
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// this is a test for the bug shown in CA-34486 and CA-36409.
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// When merging sets of tree-nodes using UpdateRootNodes, if you remove all of
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// the child-nodes from a node, the node still remembers its IsExpanded state
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// from before the nodes were removed regardless of whether you call Collapse()
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// or Expand() after the nodes were removed.
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// This causes problems for the Virtual treeview as it
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// relies the BeforeExpanded event to convert DummyTreeNodes into VirtualTreeNodes
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// on population.
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VirtualTreeNode rootNode = new VirtualTreeNode("root");
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rootNode.Nodes.Add(new VirtualTreeNode("child"));
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rootNode.Nodes[0].Nodes.Add(new VirtualTreeNode("grandchild"));
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rootNode.Nodes[0].Nodes[0].Nodes.Add(new VirtualTreeNode("grandgrandchild"));
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_vtv.UpdateRootNodes(new VirtualTreeNode[] { rootNode });
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_vtv.EndUpdate();
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// expand all nodes so that all DummyNodes are replaced.
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_vtv.ExpandAll();
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// now merge with smaller tree
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VirtualTreeNode rootNode2 = new VirtualTreeNode("root2");
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rootNode2.Nodes.Add(new VirtualTreeNode("child2"));
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rootNode2.Nodes[0].Nodes.Add(new VirtualTreeNode("grandchild2"));
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_vtv.UpdateRootNodes(new VirtualTreeNode[] { rootNode2 });
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_vtv.EndUpdate();
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// collapse all so the next merge doesn't replace DummyNodes.
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_vtv.CollapseAll();
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// now re-merge with big tree
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VirtualTreeNode rootNode3 = new VirtualTreeNode("root3");
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rootNode3.Nodes.Add(new VirtualTreeNode("child3"));
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rootNode3.Nodes[0].Nodes.Add(new VirtualTreeNode("grandchild3"));
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rootNode3.Nodes[0].Nodes[0].Nodes.Add(new VirtualTreeNode("grandgrandchild3"));
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_vtv.UpdateRootNodes(new VirtualTreeNode[] { rootNode3 });
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_vtv.EndUpdate();
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_vtv.Nodes[0].Expand();
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_vtv.Nodes[0].Nodes[0].Expand();
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Assert.IsFalse(_vtv.Nodes[0].Nodes[0].Nodes[0].IsExpanded, "Expanded state was remembered. It shouldn't be.");
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}
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}
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}
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