//
// Copyright (c) 2006 Novell, Inc.
//
// Authors:
//      Jackson Harper  (jackson@ximian.com)
//

using System;
using System.Text;
using System.Windows.Forms;

using CancelEventArgs = System.ComponentModel.CancelEventArgs;
using CancelEventHandler = System.ComponentModel.CancelEventHandler;

using NUnit.Framework;

namespace MonoTests.System.Windows.Forms {

	[TestFixture]
	public class FocusTest  : TestHelper {

		public class ControlPoker : Button {

			internal bool directed_select_called;

			public ControlPoker ()
			{
			}

			public ControlPoker (string text)
			{
				Text = text;
			}

			public void _Select (bool directed, bool forward)
			{
				Select (directed, forward);
			}

			protected override void Select (bool directed, bool forward)
			{
				directed_select_called = true;
				base.Select (directed, forward);
			}

		}

		private ControlPoker [] flat_controls;

		public class ContainerPoker : ContainerControl {

			public ContainerPoker (string s)
			{
				Text = s;
			}

			public void _Select (bool directed, bool forward)
			{
				Select (directed, forward);
			}

			public override string ToString ()
			{
				return String.Concat (GetType (), " ", Text);
			}
		}

		public class GroupBoxPoker: GroupBox {

			public GroupBoxPoker (string s)
			{
				Text = s;
			}

			public void _Select (bool directed, bool forward)
			{
				Select (directed, forward);
			}

			public override string ToString ()
			{
				return String.Concat (GetType (), " ", Text);
			}
		}

		[SetUp]
		protected override void SetUp () {
			flat_controls = null;

			flat_controls = new ControlPoker [] {
				new ControlPoker (), new ControlPoker (), new ControlPoker ()
			};

			for (int i = 0; i < flat_controls.Length; i++)
				flat_controls [i].Text = i.ToString ();
			base.SetUp ();
		}

		[Test]
		public void ControlSelectNextFlatTest ()
		{
//			if (TestHelper.RunningOnUnix) {
//				Assert.Ignore ("Relies on form.Show() synchronously generating WM_ACTIVATE");
//			}

			Form form = new Form ();
			form.ShowInTaskbar = false;

			form.Controls.AddRange (flat_controls);
			form.Show ();

			Assert.IsTrue (flat_controls [0].Focused, "sanity-1");
			Assert.AreEqual (flat_controls [0], form.ActiveControl, "sanity-2");

			form.SelectNextControl (flat_controls [0], true, false, false, false);
			Assert.IsFalse (flat_controls [0].Focused, "A1");
			Assert.IsTrue (flat_controls [1].Focused, "A2");
			Assert.IsFalse (flat_controls [2].Focused, "A3");
			Assert.AreEqual (flat_controls [1], form.ActiveControl, "A4");

			form.SelectNextControl (flat_controls [1], true, false, false, false);
			Assert.IsFalse (flat_controls [0].Focused, "A5");
			Assert.IsFalse (flat_controls [1].Focused, "A6");
			Assert.IsTrue (flat_controls [2].Focused, "A7");
			Assert.AreEqual (flat_controls [2], form.ActiveControl, "A8");

			// Can't select anymore because we aren't wrapping
			form.SelectNextControl (flat_controls [2], true, false, false, false);
			Assert.IsFalse (flat_controls [0].Focused, "A9");
			Assert.IsFalse (flat_controls [1].Focused, "A10");
			Assert.IsTrue (flat_controls [2].Focused, "A11");
			Assert.AreEqual (flat_controls [2], form.ActiveControl, "A12");

			form.SelectNextControl (flat_controls [2], true, false, false, true);
			Assert.IsTrue (flat_controls [0].Focused, "A13");
			Assert.IsFalse (flat_controls [1].Focused, "A14");
			Assert.IsFalse (flat_controls [2].Focused, "A15");
			Assert.AreEqual (flat_controls [0], form.ActiveControl, "A16");
			form.Dispose ();
		}

		[Test]
		public void SelectNextControlNullTest ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;

			form.Show ();
			form.Controls.AddRange (flat_controls);

			form.SelectNextControl (null, true, false, false, false);
			Assert.IsTrue (flat_controls [0].Focused, "A1");
			Assert.IsFalse (flat_controls [1].Focused, "A2");
			Assert.IsFalse (flat_controls [2].Focused, "A3");
			Assert.AreEqual (flat_controls [0], form.ActiveControl, "A4");

			form.SelectNextControl (null, true, false, false, false);
			Assert.IsTrue (flat_controls [0].Focused, "A5");
			Assert.IsFalse (flat_controls [1].Focused, "A6");
			Assert.IsFalse (flat_controls [2].Focused, "A7");
			Assert.AreEqual (flat_controls [0], form.ActiveControl, "A8");
			form.Dispose ();
		}

		[Test]
		public void SelectControlTest ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;

			form.Show ();
			form.Controls.AddRange (flat_controls);

			flat_controls [0]._Select (false, false);
			Assert.AreEqual (flat_controls [0], form.ActiveControl, "A1");

			flat_controls [0]._Select (true, false);
			Assert.AreEqual (flat_controls [0], form.ActiveControl, "A2");

			flat_controls [0]._Select (true, true);
			Assert.AreEqual (flat_controls [0], form.ActiveControl, "A3");
			form.Dispose ();
		}

		[Test]
		public void EnsureDirectedSelectUsed ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;

			form.Show ();
			form.Controls.AddRange (flat_controls);

			form.SelectNextControl (null, true, false, false, false);
			Assert.IsTrue (flat_controls [0].directed_select_called, "A1");
			form.Dispose ();
		}

		[Test]
		public void ContainerSelectDirectedForward ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker cp = new ContainerPoker ("container-a");
			
			form.Show ();
			form.Controls.Add (cp);

			cp.Controls.AddRange (flat_controls);

			cp._Select (true, true);
			Assert.IsTrue (flat_controls [0].Focused, "A1");
			Assert.IsFalse (flat_controls [1].Focused, "A2");
			Assert.IsFalse (flat_controls [2].Focused, "A3");
			Assert.AreEqual (flat_controls [0], cp.ActiveControl, "A4");
			Assert.AreEqual (cp, form.ActiveControl, "A5");

			// Should select the first one again
			cp._Select (true, true);
			Assert.IsTrue (flat_controls [0].Focused, "A6");
			Assert.IsFalse (flat_controls [1].Focused, "A7");
			Assert.IsFalse (flat_controls [2].Focused, "A8");
			Assert.AreEqual (flat_controls [0], cp.ActiveControl, "A9");
			Assert.AreEqual (cp, form.ActiveControl, "A10");
			form.Dispose ();
		}

		[Test]
		public void ContainerSelectDirectedBackward ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker cp = new ContainerPoker ("container-a");
			
			form.Show ();
			form.Controls.Add (cp);

			cp.Controls.AddRange (flat_controls);

			cp._Select (true, false);
			Assert.IsFalse (flat_controls [0].Focused, "A1");
			Assert.IsFalse (flat_controls [1].Focused, "A2");
			Assert.IsTrue (flat_controls [2].Focused, "A3");
			Assert.AreEqual (flat_controls [2], cp.ActiveControl, "A4");
			Assert.AreEqual (cp, form.ActiveControl, "A5");

			// Should select the first one again
			cp._Select (true, false);
			Assert.IsFalse (flat_controls [0].Focused, "A6");
			Assert.IsFalse (flat_controls [1].Focused, "A7");
			Assert.IsTrue (flat_controls [2].Focused, "A8");
			Assert.AreEqual (flat_controls [2], cp.ActiveControl, "A9");
			Assert.AreEqual (cp, form.ActiveControl, "A10");
			form.Dispose ();
		}

		[Test]
		[Category ("NotWorking")]
		public void ContainerSelectUndirectedForward ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker cp = new ContainerPoker ("container-a");
			
			form.Show ();
			form.Controls.Add (cp);

			cp.Controls.AddRange (flat_controls);

			Assert.IsFalse (flat_controls [0].Focused, "A0");
			cp._Select (false, true);
			Assert.IsFalse (flat_controls [0].Focused, "A1");
			Assert.IsFalse (flat_controls [1].Focused, "A2");
			Assert.IsFalse (flat_controls [2].Focused, "A3");
			Assert.AreEqual (null, cp.ActiveControl, "A4");
			Assert.AreEqual (cp, form.ActiveControl, "A5");
			form.Dispose ();
		}

		[Test]
		public void GetNextControlFromForm ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker con_a = new ContainerPoker ("container-a");
			ContainerPoker con_b = new ContainerPoker ("container-b");
			ContainerPoker con_c = new ContainerPoker ("container-c");
			ControlPoker [] ctrls_a = new ControlPoker [] {
				new ControlPoker (), new ControlPoker (), new ControlPoker ()
			};
			ControlPoker [] ctrls_b = new ControlPoker [] {
				new ControlPoker (), new ControlPoker (), new ControlPoker ()
			};
			ControlPoker [] ctrls_c = new ControlPoker [] {
				new ControlPoker (), new ControlPoker (), new ControlPoker ()
			};

			con_a.Controls.AddRange (ctrls_a);
			con_b.Controls.AddRange (ctrls_b);
			con_c.Controls.AddRange (ctrls_c);
			
			form.Controls.Add (con_a);
			form.Controls.Add (con_b);
			form.Controls.Add (con_c);

			form.Show ();

			// top level movement, 
			Assert.AreEqual (form.GetNextControl (null, true), con_a, "null-1");
			Assert.AreEqual (form.GetNextControl (null, false), con_c, "null-2");

			Assert.AreEqual (form.GetNextControl (form, true), con_a, "form-1");
			Assert.AreEqual (form.GetNextControl (form, false), con_c, "form-2");
			
			Assert.AreEqual (form.GetNextControl (con_a, true), con_b, "container-1");
			Assert.AreEqual (form.GetNextControl (con_a, false), null, "container-2");
			Assert.AreEqual (form.GetNextControl (con_b, true), con_c, "container-3");
			Assert.AreEqual (form.GetNextControl (con_b, false), con_a, "container-4");
			Assert.AreEqual (form.GetNextControl (con_c, true), null, "container-5");
			Assert.AreEqual (form.GetNextControl (con_c, false), con_b, "container-6");

			Assert.AreEqual (form.GetNextControl (ctrls_a [0], true), ctrls_a [1], "ctrls-a-1");
			Assert.AreEqual (form.GetNextControl (ctrls_a [0], false), con_a, "ctrls-a-2");
			Assert.AreEqual (form.GetNextControl (ctrls_a [1], true), ctrls_a [2], "ctrls-a-3");
			Assert.AreEqual (form.GetNextControl (ctrls_a [1], false), ctrls_a [0], "ctrls-a-4");
			Assert.AreEqual (form.GetNextControl (ctrls_a [2], true), con_b, "ctrls-a-5");
			Assert.AreEqual (form.GetNextControl (ctrls_a [2], false), ctrls_a [1], "ctrls-a-6");

			Assert.AreEqual (form.GetNextControl (ctrls_b [0], true), ctrls_b [1], "ctrls-b-1");
			Assert.AreEqual (form.GetNextControl (ctrls_b [0], false), con_b, "ctrls-b-2");
			Assert.AreEqual (form.GetNextControl (ctrls_b [1], true), ctrls_b [2], "ctrls-b-3");
			Assert.AreEqual (form.GetNextControl (ctrls_b [1], false), ctrls_b [0], "ctrls-b-4");
			Assert.AreEqual (form.GetNextControl (ctrls_b [2], true), con_c, "ctrls-b-5");
			Assert.AreEqual (form.GetNextControl (ctrls_b [2], false), ctrls_b [1], "ctrls-b-6");

			Assert.AreEqual (form.GetNextControl (ctrls_c [0], true), ctrls_c [1], "ctrls-c-1");
			Assert.AreEqual (form.GetNextControl (ctrls_c [0], false), con_c, "ctrls-c-2");
			Assert.AreEqual (form.GetNextControl (ctrls_c [1], true), ctrls_c [2], "ctrls-c-3");
			Assert.AreEqual (form.GetNextControl (ctrls_c [1], false), ctrls_c [0], "ctrls-c-4");
			Assert.AreEqual (form.GetNextControl (ctrls_c [2], true), null, "ctrls-c-5");
			Assert.AreEqual (form.GetNextControl (ctrls_c [2], false), ctrls_c [1], "ctrls-c-6");
			form.Dispose ();
		}

		[Test]
		public void GetNextControlFromContainerA ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker con_a = new ContainerPoker ("container-a");
			ContainerPoker con_b = new ContainerPoker ("container-b");
			ContainerPoker con_c = new ContainerPoker ("container-c");
			ControlPoker [] ctrls_a = new ControlPoker [] {
				new ControlPoker ("ctrls-a-0"), new ControlPoker ("ctrls-a-1"), new ControlPoker ("ctrls-a-2")
			};
			ControlPoker [] ctrls_b = new ControlPoker [] {
				new ControlPoker ("ctrls-b-0"), new ControlPoker ("ctrls-b-1"), new ControlPoker ("ctrls-b-2")
			};
			ControlPoker [] ctrls_c = new ControlPoker [] {
				new ControlPoker ("ctrls-c-0"), new ControlPoker ("ctrls-c-1"), new ControlPoker ("ctrls-c-2")
			};

			con_a.Controls.AddRange (ctrls_a);
			con_b.Controls.AddRange (ctrls_b);
			con_c.Controls.AddRange (ctrls_c);
			
			form.Controls.Add (con_a);
			form.Controls.Add (con_b);
			form.Controls.Add (con_c);

			form.Show ();

			// top level movement, 
			Assert.AreEqual (con_a.GetNextControl (null, true), ctrls_a [0], "null-1");
			Assert.AreEqual (con_a.GetNextControl (null, false), ctrls_a [2], "null-2");

			Assert.AreEqual (con_a.GetNextControl (form, true), ctrls_a [0], "form-1");
			Assert.AreEqual (con_a.GetNextControl (form, false), ctrls_a [2], "form-2");
			
			Assert.AreEqual (con_a.GetNextControl (con_a, true), ctrls_a [0], "container-1");
			Assert.AreEqual (con_a.GetNextControl (con_a, false), ctrls_a [2], "container-2");
			Assert.AreEqual (con_a.GetNextControl (con_b, true), ctrls_a [0], "container-3");
			Assert.AreEqual (con_a.GetNextControl (con_b, false), ctrls_a [2], "container-4");
			Assert.AreEqual (con_a.GetNextControl (con_c, true), ctrls_a [0], "container-5");
			Assert.AreEqual (con_a.GetNextControl (con_c, false), ctrls_a [2], "container-6");

			Assert.AreEqual (con_a.GetNextControl (ctrls_a [0], true), ctrls_a [1], "ctrls-a-1");
			Assert.AreEqual (con_a.GetNextControl (ctrls_a [0], false), null, "ctrls-a-2");
			Assert.AreEqual (con_a.GetNextControl (ctrls_a [1], true), ctrls_a [2], "ctrls-a-3");
			Assert.AreEqual (con_a.GetNextControl (ctrls_a [1], false), ctrls_a [0], "ctrls-a-4");
			Assert.AreEqual (con_a.GetNextControl (ctrls_a [2], true), null, "ctrls-a-5");
			Assert.AreEqual (con_a.GetNextControl (ctrls_a [2], false), ctrls_a [1], "ctrls-a-6");

			Assert.AreEqual (con_a.GetNextControl (ctrls_b [0], true), ctrls_a [0], "ctrls-b-1");
			Assert.AreEqual (con_a.GetNextControl (ctrls_b [0], false), ctrls_a [2], "ctrls-b-2");
			Assert.AreEqual (con_a.GetNextControl (ctrls_b [1], true), ctrls_a [0], "ctrls-b-3");
			Assert.AreEqual (con_a.GetNextControl (ctrls_b [1], false), ctrls_a [2], "ctrls-b-4");
			Assert.AreEqual (con_a.GetNextControl (ctrls_b [2], true), ctrls_a [0], "ctrls-b-5");
			Assert.AreEqual (con_a.GetNextControl (ctrls_b [2], false), ctrls_a [2], "ctrls-b-6");

			Assert.AreEqual (con_a.GetNextControl (ctrls_c [0], true), ctrls_a [0], "ctrls-c-1");
			Assert.AreEqual (con_a.GetNextControl (ctrls_c [0], false), ctrls_a [2], "ctrls-c-2");
			Assert.AreEqual (con_a.GetNextControl (ctrls_c [1], true), ctrls_a [0], "ctrls-c-3");
			Assert.AreEqual (con_a.GetNextControl (ctrls_c [1], false), ctrls_a [2], "ctrls-c-4");
			Assert.AreEqual (con_a.GetNextControl (ctrls_c [2], true), ctrls_a [0], "ctrls-c-5");
			Assert.AreEqual (con_a.GetNextControl (ctrls_c [2], false), ctrls_a [2], "ctrls-c-6");
			form.Dispose ();
		}

		[Test]
		public void GetNextControlFromContainerB ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker con_a = new ContainerPoker ("container-a");
			ContainerPoker con_b = new ContainerPoker ("container-b");
			ContainerPoker con_c = new ContainerPoker ("container-c");
			ControlPoker [] ctrls_a = new ControlPoker [] {
				new ControlPoker ("ctrls-a-0"), new ControlPoker ("ctrls-a-1"), new ControlPoker ("ctrls-a-2")
			};
			ControlPoker [] ctrls_b = new ControlPoker [] {
				new ControlPoker ("ctrls-b-0"), new ControlPoker ("ctrls-b-1"), new ControlPoker ("ctrls-b-2")
			};
			ControlPoker [] ctrls_c = new ControlPoker [] {
				new ControlPoker ("ctrls-c-0"), new ControlPoker ("ctrls-c-1"), new ControlPoker ("ctrls-c-2")
			};

			con_a.Controls.AddRange (ctrls_a);
			con_b.Controls.AddRange (ctrls_b);
			con_c.Controls.AddRange (ctrls_c);
			
			form.Controls.Add (con_a);
			form.Controls.Add (con_b);
			form.Controls.Add (con_c);

			form.Show ();

			// top level movement
			Assert.AreEqual (con_b.GetNextControl (null, true), ctrls_b [0], "null-1");
			Assert.AreEqual (con_b.GetNextControl (null, false), ctrls_b [2], "null-2");

			Assert.AreEqual (con_b.GetNextControl (form, true), ctrls_b [0], "form-1");
			Assert.AreEqual (con_b.GetNextControl (form, false), ctrls_b [2], "form-2");
			
			Assert.AreEqual (con_b.GetNextControl (con_a, true), ctrls_b [0], "container-1");
			Assert.AreEqual (con_b.GetNextControl (con_a, false), ctrls_b [2], "container-2");
			Assert.AreEqual (con_b.GetNextControl (con_b, true), ctrls_b [0], "container-3");
			Assert.AreEqual (con_b.GetNextControl (con_b, false), ctrls_b [2], "container-4");
			Assert.AreEqual (con_b.GetNextControl (con_c, true), ctrls_b [0], "container-5");
			Assert.AreEqual (con_b.GetNextControl (con_c, false), ctrls_b [2], "container-6");

			Assert.AreEqual (con_b.GetNextControl (ctrls_a [0], true), ctrls_b [0], "ctrls-a-1");
			Assert.AreEqual (con_b.GetNextControl (ctrls_a [0], false), ctrls_b [2], "ctrls-a-2");
			Assert.AreEqual (con_b.GetNextControl (ctrls_a [1], true), ctrls_b [0], "ctrls-a-3");
			Assert.AreEqual (con_b.GetNextControl (ctrls_a [1], false), ctrls_b [2], "ctrls-a-4");
			Assert.AreEqual (con_b.GetNextControl (ctrls_a [2], true), ctrls_b [0], "ctrls-a-5");
			Assert.AreEqual (con_b.GetNextControl (ctrls_a [2], false), ctrls_b [2], "ctrls-a-6");

			Assert.AreEqual (con_b.GetNextControl (ctrls_b [0], true), ctrls_b [1], "ctrls-b-1");
			Assert.AreEqual (con_b.GetNextControl (ctrls_b [0], false), null, "ctrls-b-2");
			Assert.AreEqual (con_b.GetNextControl (ctrls_b [1], true), ctrls_b [2], "ctrls-b-3");
			Assert.AreEqual (con_b.GetNextControl (ctrls_b [1], false), ctrls_b [0], "ctrls-b-4");
			Assert.AreEqual (con_b.GetNextControl (ctrls_b [2], true), null, "ctrls-b-5");
			Assert.AreEqual (con_b.GetNextControl (ctrls_b [2], false), ctrls_b [1], "ctrls-b-6");

			Assert.AreEqual (con_b.GetNextControl (ctrls_c [0], true), ctrls_b [0], "ctrls-c-1");
			Assert.AreEqual (con_b.GetNextControl (ctrls_c [0], false), ctrls_b [2], "ctrls-c-2");
			Assert.AreEqual (con_b.GetNextControl (ctrls_c [1], true), ctrls_b [0], "ctrls-c-3");
			Assert.AreEqual (con_b.GetNextControl (ctrls_c [1], false), ctrls_b [2], "ctrls-c-4");
			Assert.AreEqual (con_b.GetNextControl (ctrls_c [2], true), ctrls_b [0], "ctrls-c-5");
			Assert.AreEqual (con_b.GetNextControl (ctrls_c [2], false), ctrls_b [2], "ctrls-c-6");
			form.Dispose ();
		}

		[Test]
		public void GetNextControlFromContainerC ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker con_a = new ContainerPoker ("container-a");
			ContainerPoker con_b = new ContainerPoker ("container-b");
			ContainerPoker con_c = new ContainerPoker ("container-c");
			ControlPoker [] ctrls_a = new ControlPoker [] {
				new ControlPoker ("ctrls-a-0"), new ControlPoker ("ctrls-a-1"), new ControlPoker ("ctrls-a-2")
			};
			ControlPoker [] ctrls_b = new ControlPoker [] {
				new ControlPoker ("ctrls-b-0"), new ControlPoker ("ctrls-b-1"), new ControlPoker ("ctrls-b-2")
			};
			ControlPoker [] ctrls_c = new ControlPoker [] {
				new ControlPoker ("ctrls-c-0"), new ControlPoker ("ctrls-c-1"), new ControlPoker ("ctrls-c-2")
			};

			con_a.Controls.AddRange (ctrls_a);
			con_b.Controls.AddRange (ctrls_b);
			con_c.Controls.AddRange (ctrls_c);
			
			form.Controls.Add (con_a);
			form.Controls.Add (con_b);
			form.Controls.Add (con_c);

			form.Show ();

			// top level movement, 
			Assert.AreEqual (con_c.GetNextControl (null, true), ctrls_c [0], "null-1");
			Assert.AreEqual (con_c.GetNextControl (null, false), ctrls_c [2], "null-2");

			Assert.AreEqual (con_c.GetNextControl (form, true), ctrls_c [0], "form-1");
			Assert.AreEqual (con_c.GetNextControl (form, false), ctrls_c [2], "form-2");
			
			Assert.AreEqual (con_c.GetNextControl (con_a, true), ctrls_c [0], "container-1");
			Assert.AreEqual (con_c.GetNextControl (con_a, false), ctrls_c [2], "container-2");
			Assert.AreEqual (con_c.GetNextControl (con_b, true), ctrls_c [0], "container-3");
			Assert.AreEqual (con_c.GetNextControl (con_b, false), ctrls_c [2], "container-4");
			Assert.AreEqual (con_c.GetNextControl (con_c, true), ctrls_c [0], "container-5");
			Assert.AreEqual (con_c.GetNextControl (con_c, false), ctrls_c [2], "container-6");

			Assert.AreEqual (con_c.GetNextControl (ctrls_a [0], true), ctrls_c [0], "ctrls-a-1");
			Assert.AreEqual (con_c.GetNextControl (ctrls_a [0], false), ctrls_c [2], "ctrls-a-2");
			Assert.AreEqual (con_c.GetNextControl (ctrls_a [1], true), ctrls_c [0], "ctrls-a-3");
			Assert.AreEqual (con_c.GetNextControl (ctrls_a [1], false), ctrls_c [2], "ctrls-a-4");
			Assert.AreEqual (con_c.GetNextControl (ctrls_a [2], true), ctrls_c [0], "ctrls-a-5");
			Assert.AreEqual (con_c.GetNextControl (ctrls_a [2], false), ctrls_c [2], "ctrls-a-6");

			Assert.AreEqual (con_c.GetNextControl (ctrls_b [0], true), ctrls_c [0], "ctrls-b-1");
			Assert.AreEqual (con_c.GetNextControl (ctrls_b [0], false), ctrls_c [2], "ctrls-b-2");
			Assert.AreEqual (con_c.GetNextControl (ctrls_b [1], true), ctrls_c [0], "ctrls-b-3");
			Assert.AreEqual (con_c.GetNextControl (ctrls_b [1], false), ctrls_c [2], "ctrls-b-4");
			Assert.AreEqual (con_c.GetNextControl (ctrls_b [2], true), ctrls_c [0], "ctrls-b-5");
			Assert.AreEqual (con_c.GetNextControl (ctrls_b [2], false), ctrls_c [2], "ctrls-b-6");

			Assert.AreEqual (con_c.GetNextControl (ctrls_c [0], true), ctrls_c [1], "ctrls-c-1");
			Assert.AreEqual (con_c.GetNextControl (ctrls_c [0], false), null, "ctrls-c-2");
			Assert.AreEqual (con_c.GetNextControl (ctrls_c [1], true), ctrls_c [2], "ctrls-c-3");
			Assert.AreEqual (con_c.GetNextControl (ctrls_c [1], false), ctrls_c [0], "ctrls-c-4");
			Assert.AreEqual (con_c.GetNextControl (ctrls_c [2], true), null, "ctrls-c-5");
			Assert.AreEqual (con_c.GetNextControl (ctrls_c [2], false), ctrls_c [1], "ctrls-c-6");
			form.Dispose ();
		}

		[Test]
		public void GetNextControl2FromForm ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ContainerPoker con_a = new ContainerPoker ("container-a");
			ContainerPoker con_b = new ContainerPoker ("container-b");
			ContainerPoker con_c = new ContainerPoker ("container-c");
			
			TestHelper.RemoveWarning (con_b, con_c);
			
			ControlPoker [] ctrls_a = new ControlPoker [] {
				new ControlPoker ("ctrls-a-0"), new ControlPoker ("ctrls-a-1"), new ControlPoker ("ctrls-a-2")
			};
			ControlPoker ctrl_b = new ControlPoker ("ctrl-b");
			
			con_a.Controls.AddRange (ctrls_a);
			
			form.Controls.Add (con_a);
			form.Controls.Add (ctrl_b);

			form.Show ();

			// top level movement, 
			Assert.AreEqual (form.GetNextControl (null, true), con_a, "null-1");
			Assert.AreEqual (form.GetNextControl (null, false), ctrl_b, "null-2");

			Assert.AreEqual (form.GetNextControl (form, true), con_a, "form-1");
			Assert.AreEqual (form.GetNextControl (form, false), ctrl_b, "form-2");

			Assert.AreEqual (form.GetNextControl (con_a, true), ctrl_b, "con-a-1");
			Assert.AreEqual (form.GetNextControl (con_a, false), null, "con-a-2");

			Assert.AreEqual (form.GetNextControl (ctrl_b, true), null, "ctrl-b-1");
			Assert.AreEqual (form.GetNextControl (ctrl_b, false), con_a, "ctrl-b-2");

			Assert.AreEqual (form.GetNextControl (ctrls_a [0], true), ctrls_a [1], "ctrl-a-1");
			Assert.AreEqual (form.GetNextControl (ctrls_a [0], false), con_a, "ctrl-a-2");
			Assert.AreEqual (form.GetNextControl (ctrls_a [1], true), ctrls_a [2], "ctrl-a-1");
			Assert.AreEqual (form.GetNextControl (ctrls_a [1], false), ctrls_a [0], "ctrl-a-2");
			Assert.AreEqual (form.GetNextControl (ctrls_a [2], true), ctrl_b, "ctrl-a-1");
			Assert.AreEqual (form.GetNextControl (ctrls_a [2], false), ctrls_a [1], "ctrl-a-2");
			form.Dispose();
		}

		[Test]
		public void GetNextControlFlat ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;

			form.Controls.AddRange (flat_controls);
			form.Show ();

			Assert.AreEqual (form.GetNextControl (null, true), flat_controls [0], "form-1");
			Assert.AreEqual (form.GetNextControl (null, false), flat_controls [2], "form-2");
			Assert.AreEqual (form.GetNextControl (flat_controls [0], true), flat_controls [1], "form-3");
			Assert.AreEqual (form.GetNextControl (flat_controls [0], false), null, "form-4");
			Assert.AreEqual (form.GetNextControl (flat_controls [1], true), flat_controls [2], "form-5");
			Assert.AreEqual (form.GetNextControl (flat_controls [1], false), flat_controls [0], "form-6");
			Assert.AreEqual (form.GetNextControl (flat_controls [2], true), null, "form-7");
			Assert.AreEqual (form.GetNextControl (flat_controls [2], false), flat_controls [1],"form-8");

			
			Assert.AreEqual (flat_controls [0].GetNextControl (null, true), null, "ctrls-0-1");
			Assert.AreEqual (flat_controls [0].GetNextControl (null, false), null, "ctrls-0-2");
			Assert.AreEqual (flat_controls [0].GetNextControl (flat_controls [0], true), null, "ctrls-0-3");
			Assert.AreEqual (flat_controls [0].GetNextControl (flat_controls [0], false), null, "ctrls-0-4");
			Assert.AreEqual (flat_controls [0].GetNextControl (flat_controls [1], true), null, "ctrls-0-5");
			Assert.AreEqual (flat_controls [0].GetNextControl (flat_controls [1], false), null, "ctrls-0-6");
			Assert.AreEqual (flat_controls [0].GetNextControl (flat_controls [2], true), null, "ctrls-0-7");
			Assert.AreEqual (flat_controls [0].GetNextControl (flat_controls [2], false), null,"ctrls-0-8");
			form.Dispose ();
		}

		[Test]
		public void GetNextGroupBoxControlFlat ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			GroupBoxPoker gbp = new GroupBoxPoker ("group-box");

			gbp.Controls.AddRange (flat_controls);
			form.Controls.Add (gbp);
			form.Show ();

			Assert.AreEqual (form.GetNextControl (null, true), gbp, "form-1");
			Assert.AreEqual (form.GetNextControl (null, false), flat_controls [2], "form-2");

			Assert.AreEqual (form.GetNextControl (gbp, true), flat_controls [0], "gb-1");
			Assert.AreEqual (form.GetNextControl (gbp, false), null, "gb-2");

			Assert.AreEqual (gbp.GetNextControl (null, true), flat_controls [0], "gb-3");
			Assert.AreEqual (gbp.GetNextControl (null, false), flat_controls [2], "gb-4");
			Assert.AreEqual (gbp.GetNextControl (gbp, true), flat_controls [0], "gb-5");
			Assert.AreEqual (gbp.GetNextControl (gbp, false), flat_controls [2], "gb-6");

			Assert.AreEqual (form.GetNextControl (flat_controls [0], true), flat_controls [1], "form-ctrls-0-forward");
			Assert.AreEqual (form.GetNextControl (flat_controls [0], false), gbp, "form-ctrls-0-backward");
			Assert.AreEqual (form.GetNextControl (flat_controls [1], true), flat_controls [2], "form-ctrls-1-forward");
			Assert.AreEqual (form.GetNextControl (flat_controls [1], false), flat_controls [0], "form-ctrls-1-backward");
			Assert.AreEqual (form.GetNextControl (flat_controls [2], true), null, "form-ctrls-2-forward");
			Assert.AreEqual (form.GetNextControl (flat_controls [2], false), flat_controls [1],"form-ctrls-2-backward");

			Assert.AreEqual (gbp.GetNextControl (flat_controls [0], true), flat_controls [1], "gbp-ctrls-0-forward");
			Assert.AreEqual (gbp.GetNextControl (flat_controls [0], false), null, "gbp-ctrls-0-backward");
			Assert.AreEqual (gbp.GetNextControl (flat_controls [1], true), flat_controls [2], "gbp-ctrls-1-forward");
			Assert.AreEqual (gbp.GetNextControl (flat_controls [1], false), flat_controls [0], "gbp-ctrls-1-backward");
			Assert.AreEqual (gbp.GetNextControl (flat_controls [2], true), null, "gbp-ctrls-2-forward");
			Assert.AreEqual (gbp.GetNextControl (flat_controls [2], false), flat_controls [1],"gbp-ctrls-2-backward");		
			form.Dispose ();
		}

		[Test]
		public void GetNextControlFromTabControl ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			TabControl tab = new TabControl ();
			TabPage page1 = new TabPage ("page one");
			TabPage page2 = new TabPage ("page two");

			tab.TabPages.Add (page1);
			tab.TabPages.Add (page2);

			form.Controls.Add (tab);
			form.Show ();

			Assert.AreEqual (form.GetNextControl (null, true), tab, "form-1");
			Assert.AreEqual (form.GetNextControl (null, false), page2, "form-2");

			Assert.AreEqual (form.GetNextControl (tab, true), page1, "tab-1");
			Assert.AreEqual (form.GetNextControl (tab, false), null, "tab-2");

			Assert.AreEqual (form.GetNextControl (page1, true), page2, "page-one-1");
			Assert.AreEqual (form.GetNextControl (page1, false), tab, "page-one-2");

			Assert.AreEqual (form.GetNextControl (page2, true), null, "page-two-1");
			Assert.AreEqual (form.GetNextControl (page2, false), page1, "page-two-2");
			form.Dispose ();
		}

		[Test]
		public void GetNextControlFromTabControl2 () {
			Form form = new Form ();
			form.ShowInTaskbar = false;
			TabControl tab = new TabControl ();
			
			TabPage page1 = new TabPage ("page one");
			page1.Controls.AddRange (flat_controls);

			TabPage page2 = new TabPage ("page two");

			tab.TabPages.Add (page1);

			tab.TabPages.Add (page2);

			form.Controls.Add (tab);
			form.Show ();

			Assert.AreEqual (form.GetNextControl (null, true), tab, "form-1");
			Assert.AreEqual (form.GetNextControl (null, false), page2, "form-2");

			Assert.AreEqual (form.GetNextControl (tab, true), page1, "tab-1");
			Assert.AreEqual (form.GetNextControl (tab, false), null, "tab-2");

			Assert.AreEqual (form.GetNextControl (page1, true), flat_controls [0], "page-one-1");
			Assert.AreEqual (form.GetNextControl (page1, false), tab, "page-one-2");

			Assert.AreEqual (form.GetNextControl (page2, true), null, "page-two-1");
			Assert.AreEqual (form.GetNextControl (page2, false), flat_controls [2], "page-two-2");

			Assert.AreEqual (form.GetNextControl (flat_controls [0], false), page1, "form-ctrls-0-backward");
			Assert.AreEqual (form.GetNextControl (flat_controls [2], true), page2, "form-ctrls-2-forward");

			Assert.AreEqual (tab.GetNextControl (null, true), page1, "tab-null-forward");
			Assert.AreEqual (tab.GetNextControl (page1, false), null, "tab-page1-backward");

			Assert.AreEqual (tab.GetNextControl (flat_controls [0], false), page1, "tab-ctrls-0-backward");
			Assert.AreEqual (tab.GetNextControl (flat_controls [2], true), page2, "tab-ctrls-2-forward");

			Assert.AreEqual (page1.GetNextControl (flat_controls [0], true), flat_controls [1], "page1-ctrls-0-forward");
			Assert.AreEqual (page1.GetNextControl (flat_controls [0], false), null, "page1-ctrls-0-backward");
			Assert.AreEqual (page1.GetNextControl (flat_controls [1], true), flat_controls [2], "page1-ctrls-1-forward");
			Assert.AreEqual (page1.GetNextControl (flat_controls [1], false), flat_controls [0], "page1-ctrls-1-backward");
			Assert.AreEqual (page1.GetNextControl (flat_controls [2], true), null, "page1-ctrls-2-forward");
			Assert.AreEqual (page1.GetNextControl (flat_controls [2], false), flat_controls [1],"page1-ctrls-2-backward");
			form.Dispose ();
		}

		[Test]
		public void GetNextControlTabIndex ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ControlPoker [] ctrls = new ControlPoker [5];

			for (int i = 0; i < 5; i++) {
				ctrls [i] = new ControlPoker ();
				ctrls [i].TabIndex = i;
				ctrls [i].Text = "ctrl " + i;
			}

			form.Controls.AddRange (ctrls);
			form.Show ();

			Assert.AreEqual (form.GetNextControl (null, true), ctrls [0], "A1");
			Assert.AreEqual (form.GetNextControl (null, false), ctrls [4], "A2");

			Assert.AreEqual (form.GetNextControl (ctrls [0], true), ctrls [1], "A3");
			Assert.AreEqual (form.GetNextControl (ctrls [0], false), null, "A4");

			Assert.AreEqual (form.GetNextControl (ctrls [1], true), ctrls [2], "A5");
			Assert.AreEqual (form.GetNextControl (ctrls [1], false), ctrls [0], "A6");

			Assert.AreEqual (form.GetNextControl (ctrls [2], true), ctrls [3], "A7");
			Assert.AreEqual (form.GetNextControl (ctrls [2], false), ctrls [1], "A8");

			Assert.AreEqual (form.GetNextControl (ctrls [3], true), ctrls [4], "A9");
			Assert.AreEqual (form.GetNextControl (ctrls [3], false), ctrls [2], "A10");

			Assert.AreEqual (form.GetNextControl (ctrls [4], true), null, "A11");
			Assert.AreEqual (form.GetNextControl (ctrls [4], false), ctrls [3], "A12");

			form.Dispose ();
		}

		[Test]
		public void GetNextControlDuplicateTabIndex ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ControlPoker [] ctrls = new ControlPoker [5];

			for (int i = 0; i < 5; i++) {
				ctrls [i] = new ControlPoker ();
				ctrls [i].TabIndex = i;
				ctrls [i].Text = "ctrl " + i;
			}

			ctrls [3].TabIndex = 2;

			form.Controls.AddRange (ctrls);
			form.Show ();

			Assert.AreEqual (form.GetNextControl (null, true), ctrls [0], "A1");
			Assert.AreEqual (form.GetNextControl (null, false), ctrls [4], "A2");

			Assert.AreEqual (form.GetNextControl (ctrls [0], true), ctrls [1], "A3");
			Assert.AreEqual (form.GetNextControl (ctrls [0], false), null, "A4");

			Assert.AreEqual (form.GetNextControl (ctrls [1], true), ctrls [2], "A5");
			Assert.AreEqual (form.GetNextControl (ctrls [1], false), ctrls [0], "A6");

			Assert.AreEqual (form.GetNextControl (ctrls [2], true), ctrls [3], "A7");
			Assert.AreEqual (form.GetNextControl (ctrls [2], false), ctrls [1], "A8");

			Assert.AreEqual (form.GetNextControl (ctrls [3], true), ctrls [4], "A9");
			Assert.AreEqual (form.GetNextControl (ctrls [3], false), ctrls [2], "A10");

			Assert.AreEqual (form.GetNextControl (ctrls [4], true), null, "A11");
			Assert.AreEqual (form.GetNextControl (ctrls [4], false), ctrls [3], "A12");

			form.Dispose ();
		}

		[Test]
		public void GetNextControlComposite ()
		{
			Form form = new Form ();
			form.ShowInTaskbar = false;
			ControlPoker a = new ControlPoker ("a");
			ControlPoker b = new ControlPoker ("b");
			ControlPoker c = new ControlPoker ("c");

			form.Controls.Add (a);
			form.Controls.Add (b);
			b.Controls.Add (c);

			form.Show ();

			Assert.AreEqual (form.GetNextControl (a, true), b, "form-1");
			Assert.AreEqual (form.GetNextControl (a, false), null, "form-2");

			form.Dispose ();
		}

		[Test]
		public void ActiveControl ()
		{
//			if (TestHelper.RunningOnUnix) {
//				Assert.Ignore ("Relies on form.Show() synchronously generating WM_ACTIVATE");
//			}

			Form form = new Form ();
			form.ShowInTaskbar = false;

			form.Controls.AddRange (flat_controls);
			form.Show ();

			Assert.AreEqual (form.ActiveControl, flat_controls [0], "A1");

			flat_controls [1].Focus ();

			Assert.AreEqual (form.ActiveControl, flat_controls [1], "A2");

			form.Dispose ();
		}

		[Test]
		[Category ("NotWorking")]
		public void ActiveControl2 () {
			ContainerControl cc = new ContainerControl ();
			Control c1 = new Control ();
			cc.Controls.Add (c1);
			Control c2 = new Control ();
			cc.Controls.Add (c2);
			Control c3 = new Control ();
			cc.Controls.Add (c3);
			Assert.IsFalse (c1.Focused, "#A1");
			Assert.IsFalse (c2.Focused, "#A2");
			Assert.IsFalse (c3.Focused, "#A3");
			Assert.IsNull (cc.ActiveControl);

			cc.ActiveControl = c1;
			Assert.IsFalse (c1.Focused, "#B1");
			Assert.IsFalse (c2.Focused, "#B2");
			Assert.IsFalse (c3.Focused, "#B3");
			Assert.AreSame (c1, cc.ActiveControl, "#B4");

			cc.ActiveControl = c2;
			Assert.IsFalse (c1.Focused, "#C1");
			Assert.IsFalse (c2.Focused, "#C2");
			Assert.IsFalse (c3.Focused, "#C3");
			Assert.AreSame (c2, cc.ActiveControl, "#C4");

			c1.Focus ();
			Assert.IsFalse (c1.Focused, "#D1");
			Assert.IsFalse (c2.Focused, "#D2");
			Assert.IsFalse (c3.Focused, "#D3");
			Assert.AreSame (c2, cc.ActiveControl, "#D4");

			cc.ActiveControl = c2;
			Assert.IsFalse (c1.Focused, "#E1");
			Assert.IsFalse (c2.Focused, "#E2");
			Assert.IsFalse (c3.Focused, "#E3");
			Assert.AreSame (c2, cc.ActiveControl, "#E4");

			cc.Controls.Remove (c2);
			Assert.IsFalse (c1.Focused, "#F1");
			Assert.IsFalse (c2.Focused, "#F2");
			Assert.IsFalse (c3.Focused, "#F3");
			Assert.AreSame (c1, cc.ActiveControl, "#F3");

			cc.ActiveControl = c3;
			Assert.IsFalse (c1.Focused, "#G1");
			Assert.IsFalse (c2.Focused, "#G2");
			Assert.IsFalse (c3.Focused, "#G3");
			Assert.AreSame (c3, cc.ActiveControl, "#G4");

			Form form = new Form ();
			form.ShowInTaskbar = false;
			form.Controls.Add (cc);
			form.Show ();

			Assert.IsTrue (c1.Focused, "#H1");
			Assert.IsFalse (c2.Focused, "#H2");
			Assert.IsFalse (c3.Focused, "#H3");
			Assert.AreSame (c1, cc.ActiveControl, "#H4");

			cc.ActiveControl = c3;
			Assert.IsFalse (c1.Focused, "#I1");
			Assert.IsFalse (c2.Focused, "#I2");
			Assert.IsTrue (c3.Focused, "#I3");
			Assert.AreSame (c3, cc.ActiveControl, "#I4");

			c1.Focus ();
			Assert.IsTrue (c1.Focused, "#J1");
			Assert.IsFalse (c2.Focused, "#J2");
			Assert.IsFalse (c3.Focused, "#J3");
			Assert.AreSame (c1, cc.ActiveControl, "#J4");

			form.Dispose ();
		}

		[Test] // bug #80411
		public void ActiveControl_NoChild () {
			ContainerControl cc = new ContainerControl ();
			try {
				cc.ActiveControl = new Control ();
				Assert.Fail ("#1");
			} catch (ArgumentException ex) {
				Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
				Assert.IsNotNull (ex.Message, "#3");
				Assert.IsNull (ex.ParamName, "#4");
				Assert.IsNull (ex.InnerException, "#5");
			}
		}


		StringBuilder sb;
		void enter(object sender, EventArgs e) {
			sb.Append(String.Format("OnEnter: {0} {1}", ((Control)sender).Name, sender));
			sb.Append("\n");
		}

		void leave(object sender, EventArgs e) {
			sb.Append(String.Format("OnLeave: {0} {1}", ((Control)sender).Name, sender));
			sb.Append("\n");
		}

		void gotfocus(object sender, EventArgs e) {
			sb.Append(String.Format("OnGotFocus: {0} {1}", ((Control)sender).Name, sender));
			sb.Append("\n");
		}

		void lostfocus(object sender, EventArgs e) {
			sb.Append(String.Format("OnLostFocus: {0} {1}", ((Control)sender).Name, sender));
			sb.Append("\n");
		}

		void validating(object sender, CancelEventArgs e) {
			sb.Append(String.Format("OnValidating: {0} {1}", ((Control)sender).Name, sender));
			sb.Append("\n");
		}

		void validated(object sender, EventArgs e) {
			sb.Append(String.Format("OnValidated: {0} {1}", ((Control)sender).Name, sender));
			sb.Append("\n");
		}

		void connect(Control c) {
			c.Enter += new EventHandler(enter);
			c.Leave += new EventHandler(leave);
			c.GotFocus += new EventHandler(gotfocus);
			c.LostFocus += new EventHandler(lostfocus);
			c.Validating += new CancelEventHandler(validating);
			c.Validated += new EventHandler(validated);
		}

		[Test]
		public void EnterLeaveFocusEventTest ()
		{
			if (TestHelper.RunningOnUnix) {
				Assert.Ignore ("Relies on form.Show() synchronously generating WM_ACTIVATE");
			}

			Form f = new Form();
			f.ShowInTaskbar = false;

			f.Name = "Form1";
			ContainerControl cc0 = new ContainerControl();
			cc0.Name = "ContainerControl 0";
			ContainerControl cc1 = new ContainerControl();
			cc1.Name = "ContainerControl 1";
			ContainerControl cc2 = new ContainerControl();
			cc2.Name = "ContainerControl 2";
			Control c1 = new Control();
			c1.Name = "Control 1";
			Control c2 = new Control();
			c2.Name = "Control 2";

			connect(f);
			connect(cc0);
			connect(cc1);
			connect(cc2);
			connect(c1);
			connect(c2);

			cc0.Controls.Add(cc1);
			cc0.Controls.Add(cc2);
			cc1.Controls.Add(c1);
			cc2.Controls.Add(c2);

			f.Controls.Add(cc0);

			sb = new StringBuilder ();
			f.Show ();
			c1.Select();

			Assert.AreEqual (@"OnEnter: ContainerControl 0 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 1 System.Windows.Forms.ContainerControl
OnEnter: Control 1 System.Windows.Forms.Control
OnGotFocus: Control 1 System.Windows.Forms.Control
",
					 sb.ToString (), "1");

			sb.Length = 0;
			c2.Select();
			Assert.AreEqual (@"OnLeave: Control 1 System.Windows.Forms.Control
OnLeave: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidating: Control 1 System.Windows.Forms.Control
OnValidated: Control 1 System.Windows.Forms.Control
OnValidating: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidated: ContainerControl 1 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 2 System.Windows.Forms.ContainerControl
OnEnter: Control 2 System.Windows.Forms.Control
OnLostFocus: Control 1 System.Windows.Forms.Control
OnGotFocus: Control 2 System.Windows.Forms.Control
",
					 sb.ToString (), "2");

			sb.Length = 0;
			cc1.Select();
			Assert.AreEqual (@"OnLeave: Control 2 System.Windows.Forms.Control
OnLeave: ContainerControl 2 System.Windows.Forms.ContainerControl
OnValidating: Control 2 System.Windows.Forms.Control
OnValidated: Control 2 System.Windows.Forms.Control
OnValidating: ContainerControl 2 System.Windows.Forms.ContainerControl
OnValidated: ContainerControl 2 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 1 System.Windows.Forms.ContainerControl
OnLostFocus: Control 2 System.Windows.Forms.Control
OnGotFocus: ContainerControl 1 System.Windows.Forms.ContainerControl
",
					 sb.ToString (), "3");

			sb.Length = 0;
			cc2.Select();
			Assert.AreEqual (@"OnLeave: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidating: ContainerControl 1 System.Windows.Forms.ContainerControl
OnValidated: ContainerControl 1 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 2 System.Windows.Forms.ContainerControl
OnLostFocus: ContainerControl 1 System.Windows.Forms.ContainerControl
OnGotFocus: ContainerControl 2 System.Windows.Forms.ContainerControl
",
					 sb.ToString (), "4");

			Assert.IsNull (cc2.ActiveControl, "5");

			sb.Length = 0;
			c2.Select();
			Assert.AreEqual (@"OnEnter: Control 2 System.Windows.Forms.Control
OnLostFocus: ContainerControl 2 System.Windows.Forms.ContainerControl
OnGotFocus: Control 2 System.Windows.Forms.Control
",
					 sb.ToString (), "6");

			sb.Length = 0;
			cc1.Select();
			Assert.AreEqual (@"OnLeave: Control 2 System.Windows.Forms.Control
OnLeave: ContainerControl 2 System.Windows.Forms.ContainerControl
OnValidating: Control 2 System.Windows.Forms.Control
OnValidated: Control 2 System.Windows.Forms.Control
OnValidating: ContainerControl 2 System.Windows.Forms.ContainerControl
OnValidated: ContainerControl 2 System.Windows.Forms.ContainerControl
OnEnter: ContainerControl 1 System.Windows.Forms.ContainerControl
OnLostFocus: Control 2 System.Windows.Forms.Control
OnGotFocus: ContainerControl 1 System.Windows.Forms.ContainerControl
",
					 sb.ToString (), "7");

			sb.Length = 0;
			f.Select();
			Assert.AreEqual ("", sb.ToString (), "8");

			f.Dispose ();
		}

		[Test]
		[Category ("NotWorking")]
		public void ActiveControl_Invisible () {
			ContainerControl cc = new ContainerControl ();
			Control c1 = new Control ();
			c1.Visible = false;
			cc.Controls.Add (c1);
			Control c2 = new Control ();
			cc.Controls.Add (c2);
			cc.ActiveControl = c1;
			Assert.IsFalse (c1.Focused, "#A1");
			Assert.IsFalse (c2.Focused, "#A2");
			Assert.AreSame (c1, cc.ActiveControl, "#A3");

			Form form = new Form ();
			form.ShowInTaskbar = false;
			form.Controls.Add (cc);
			form.Show ();

			Assert.IsFalse (c1.Focused, "#B1");
			Assert.IsTrue (c2.Focused, "#B2");
			Assert.AreSame (c2, cc.ActiveControl, "#B3");

			cc.ActiveControl = c1;
			Assert.IsFalse (c1.Focused, "#C1");
			Assert.IsFalse (c2.Focused, "#C2");
			Assert.AreSame (c1, cc.ActiveControl, "#C3");

			form.Dispose ();
		}

		[Test]
		[Category ("NotWorking")]
		public void ActiveControl_Disabled () {
			ContainerControl cc = new ContainerControl ();
			Control c1 = new Control ();
			c1.Enabled = false;
			cc.Controls.Add (c1);
			Control c2 = new Control ();
			cc.Controls.Add (c2);
			cc.ActiveControl = c1;
			Assert.IsFalse (c1.Focused, "#A1");
			Assert.IsFalse (c2.Focused, "#A2");
			Assert.AreSame (c1, cc.ActiveControl, "#A3");

			Form form = new Form ();
			form.ShowInTaskbar = false;
			form.Controls.Add (cc);
			form.Show ();

			Assert.IsFalse (c1.Focused, "#B1");
			Assert.IsTrue (c2.Focused, "#B2");
			Assert.AreSame (c2, cc.ActiveControl, "#B3");

			cc.ActiveControl = c1;
			Assert.IsFalse (c1.Focused, "#C1");
			Assert.IsTrue (c2.Focused, "#C2");
			Assert.AreSame (c1, cc.ActiveControl, "#C3");

			form.Dispose ();
		}

		[Test]
		[Category ("NotWorking")]
		public void ActiveControl_Null () {
			ContainerControl cc = new ContainerControl ();
			Control c1 = new Control ();
			cc.Controls.Add (c1);
			Control c2 = new Control ();
			cc.Controls.Add (c2);
			cc.ActiveControl = c1;
			Assert.IsFalse (c1.Focused, "#A1");
			Assert.IsFalse (c2.Focused, "#A2");
			Assert.AreSame (c1, cc.ActiveControl, "#A3");

			cc.ActiveControl = null;
			Assert.IsFalse (c1.Focused, "#B1");
			Assert.IsFalse (c2.Focused, "#B2");
			Assert.IsNull (cc.ActiveControl, "#B3");

			Form form = new Form ();
			form.ShowInTaskbar = false;
			form.Controls.Add (cc);
			form.Show ();

			Assert.IsTrue (c1.Focused, "#C1");
			Assert.IsFalse (c2.Focused, "#C2");
			Assert.AreSame (c1, cc.ActiveControl, "#C3");

			cc.ActiveControl = c2;
			Assert.IsFalse (c1.Focused, "#D1");
			Assert.IsTrue (c2.Focused, "#D2");
			Assert.AreSame (c2, cc.ActiveControl, "#D3");

			cc.ActiveControl = null;
			Assert.IsFalse (c1.Focused, "#E1");
			Assert.IsFalse (c2.Focused, "#E2");
			Assert.IsNull (cc.ActiveControl, "#E3");

			form.Dispose ();
		}

		/// <summary>
		/// Check that the active control is set before OnEnter is fired, and
		/// that the events are fired without a Form
		/// </summary>
		[Test]
		public void ActiveControl4 () {
			sb = new StringBuilder ();

			ContainerControl cc = new ContainerControl ();
			WrappedEnterLeave1 c1 = new WrappedEnterLeave1 (sb);
			WrappedEnterLeave2 c2 = new WrappedEnterLeave2 (sb);

			cc.Controls.Add (c1);
			cc.Controls.Add (c2);

			sb.Append (":Selecting WrappedEnterLeave1:");
			c1.Select ();
			sb.Append (":Selecting WrappedEnterLeave2:");
			c2.Select ();

			Assert.AreEqual (
				":Selecting WrappedEnterLeave1:"+
				":Before OnEnter:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave1:"+
				":After OnEnter:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave1:"+
				":Selecting WrappedEnterLeave2:"+
				":Before OnLeave:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"+
				":After OnLeave:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"+
				":Before OnValidating:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"+
				":After OnValidating:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"+
				":Before OnValidated:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"+
				":After OnValidated:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"+
				":Before OnEnter:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"+
				":After OnEnter:System.Windows.Forms.ContainerControl:MonoTests.System.Windows.Forms.FocusTest+WrappedEnterLeave2:"
				, 
				sb.ToString(), "#A1");
		}

		class WrappedEnterLeave : Control {
			StringBuilder sb;
			public WrappedEnterLeave (StringBuilder sb) {
				this.sb = sb;
			}

			protected override void OnEnter (EventArgs e) {
				IContainerControl c = GetContainerControl ();
				sb.AppendFormat (":Before OnEnter:{0}:{1}:", c, c.ActiveControl);
				base.OnEnter (e);
				sb.AppendFormat (":After OnEnter:{0}:{1}:", c, c.ActiveControl);
			}

			protected override void OnLeave (EventArgs e) {
				IContainerControl c = GetContainerControl ();
				sb.AppendFormat (":Before OnLeave:{0}:{1}:", c, c.ActiveControl);
				base.OnLeave(e);
				sb.AppendFormat (":After OnLeave:{0}:{1}:", c, c.ActiveControl);
			}

			protected override void OnValidated(EventArgs e) {
				IContainerControl c = GetContainerControl ();
				sb.AppendFormat (":Before OnValidated:{0}:{1}:", c, c.ActiveControl);
				base.OnValidated (e);
				sb.AppendFormat (":After OnValidated:{0}:{1}:", c, c.ActiveControl);
			}

			protected override void OnValidating(CancelEventArgs e) {
				IContainerControl c = GetContainerControl ();
				sb.AppendFormat (":Before OnValidating:{0}:{1}:", c, c.ActiveControl);
				base.OnValidating (e);
				sb.AppendFormat (":After OnValidating:{0}:{1}:", c, c.ActiveControl);
			}
		}

		class WrappedEnterLeave1: WrappedEnterLeave {
			public WrappedEnterLeave1 (StringBuilder sb): base(sb){}
		}
		class WrappedEnterLeave2: WrappedEnterLeave {
			public WrappedEnterLeave2 (StringBuilder sb): base(sb){}
		}
		
		// #372616
		[Test]
		public void UserControlFocus ()
		{
			Form form = new Form ();
			UserControl c = new UserControl ();
			TextBox t1 = new TextBox ();
			TextBox t2 = new TextBox ();
			form.Controls.Add (t1);
			c.Controls.Add (t2);
			form.Controls.Add (c);
			form.Show ();
			
			c.Focus ();
			
			Assert.IsTrue (t2.Focused, "#A1");
			Assert.AreSame (t2, c.ActiveControl, "#A2");
		}
	}
}