mono/mcs/class/Managed.Windows.Forms/Test/System.Windows.Forms/PropertyManagerTest.cs

// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2006 Novell, Inc.
//
// Authors:
//	Chris Toshok	[email protected]


using System;
using System.Data;
using System.Collections;
using System.Windows.Forms;

using NUnit.Framework;

namespace MonoTests.System.Windows.Forms.DataBinding
{
	[TestFixture]
	public class PropertyManagerTest : TestHelper {

		class TestClass1 {
			int prop;
			public TestClass1 ()
			{
				prop = 0;
			}

			public int Property {
				get { return prop; }
				set {
					prop = value;
					if (PropertyChanged != null)
						PropertyChanged (this, EventArgs.Empty);
				}
			}

			public event EventHandler PropertyChanged;
		}

		class TestClass2 {
			int prop;
			public TestClass2 ()
			{
				prop = 0;
			}

			public int Property {
				get { return prop; }
				set { prop = value; }
			}
		}

		class TestClass3 {
			int prop;
			public TestClass3 ()
			{
				prop = 0;
			}

			public int Property {
				get { return prop; }
				set {
					prop = value;
					if (Changed != null)
						Changed (this, EventArgs.Empty);
				}
			}

			public event EventHandler Changed;
		}

		bool currentChangedRaised;
		bool positionChangedRaised;

		void OnCurrentChanged (object sender, EventArgs args)
		{
			currentChangedRaised = true;
		}

		//void OnPositionChanged (object sender, EventArgs args)
		//{
		//        positionChangedRaised = true;
		//}

		[Test]
		public void TestEvent ()
		{
			TestClass1 test = new TestClass1();
			BindingContext bc = new BindingContext ();

			BindingManagerBase bm = bc[test, "Property"];
			Assert.IsTrue (typeof (PropertyManager).IsAssignableFrom (bm.GetType()), "A1");

			bm.CurrentChanged += new EventHandler (OnCurrentChanged);

			currentChangedRaised = positionChangedRaised = false;
			test.Property = 5;
			Assert.IsTrue (currentChangedRaised, "A2");
			Assert.IsFalse (positionChangedRaised, "A3");
		}

		[Test]
		public void TestNoEvent ()
		{
			TestClass2 test = new TestClass2();
			BindingContext bc = new BindingContext ();

			BindingManagerBase bm = bc[test, "Property"];
			Assert.IsTrue (typeof (PropertyManager).IsAssignableFrom (bm.GetType()), "A1");

			bm.CurrentChanged += new EventHandler (OnCurrentChanged);

			currentChangedRaised = positionChangedRaised = false;
			test.Property = 5;
			Assert.IsFalse (currentChangedRaised, "A2");
			Assert.IsFalse (positionChangedRaised, "A3");
		}

		[Test]
		public void TestMemberEvent ()
		{
			TestClass1 test = new TestClass1();
			BindingContext bc = new BindingContext ();

			BindingManagerBase bm = bc[test];
			Assert.IsTrue (typeof (PropertyManager).IsAssignableFrom (bm.GetType()), "A1");

			bm.CurrentChanged += new EventHandler (OnCurrentChanged);

			currentChangedRaised = positionChangedRaised = false;
			test.Property = 5;
			Assert.IsFalse (currentChangedRaised, "A2");
			Assert.IsFalse (positionChangedRaised, "A3");
		}

		[Test]
		public void TestMemberEvent2 ()
		{
			TestClass3 test = new TestClass3();
			BindingContext bc = new BindingContext ();

			BindingManagerBase bm = bc[test];
			Assert.IsTrue (typeof (PropertyManager).IsAssignableFrom (bm.GetType()), "A1");

			bm.CurrentChanged += new EventHandler (OnCurrentChanged);

			currentChangedRaised = positionChangedRaised = false;
			test.Property = 5;
			Assert.IsFalse (currentChangedRaised, "A2");
			Assert.IsFalse (positionChangedRaised, "A3");
		}

		[Test]
		public void TestMemberNoEvent ()
		{
			TestClass2 test = new TestClass2();
			BindingContext bc = new BindingContext ();

			BindingManagerBase bm = bc[test];
			Assert.IsTrue (typeof (PropertyManager).IsAssignableFrom (bm.GetType()), "A1");

			bm.CurrentChanged += new EventHandler (OnCurrentChanged);

			currentChangedRaised = positionChangedRaised = false;
			test.Property = 5;
			Assert.IsFalse (currentChangedRaised, "A2");
			Assert.IsFalse (positionChangedRaised, "A3");
		}

	}

}