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

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// Copyright (c) 2006 Novell, Inc.
//

#if NET_2_0

using System;
using System.ComponentModel;
using System.Globalization;
using System.Windows.Forms;
using System.Windows.Forms.Layout;
using NUnit.Framework;

namespace MonoTests.System.Windows.Forms
{
	[TestFixture]
	public class PaddingConverterTest
	{
		[Test]
		public void CanConvertFrom ()
		{
			PaddingConverter c = new PaddingConverter ();

			Assert.IsTrue (c.CanConvertFrom (null, typeof (string)), "1");
			Assert.IsFalse (c.CanConvertFrom (null, typeof (int)), "2");
			Assert.IsFalse (c.CanConvertFrom (null, typeof (float)), "3");
			Assert.IsFalse (c.CanConvertFrom (null, typeof (object)), "4");
		}

		[Test]
		public void CanConvertTo ()
		{
			PaddingConverter c = new PaddingConverter ();

			Assert.IsTrue (c.CanConvertTo (null, typeof (string)), "1");
			Assert.IsFalse (c.CanConvertTo (null, typeof (int)), "2");
			Assert.IsFalse (c.CanConvertTo (null, typeof (float)), "3");
			Assert.IsFalse (c.CanConvertTo (null, typeof (object)), "4");
		}
		
		[Test]
		public void RoundTrip ()
		{
			Padding p1 = new Padding (1, 2, 3, 4);
			Padding p2 = new Padding (1);
			Padding p3 = new Padding ();

			Assert.AreEqual (p1, RoundTripPadding (p1), "B1");
			Assert.AreEqual (p2, RoundTripPadding (p2), "B2");
			Assert.AreEqual (p3, RoundTripPadding (p3), "B3");
			
		}

		[Test]
		public void ConvertFrom ()
		{
			string listSeparator = CultureInfo.CurrentCulture.TextInfo.ListSeparator;
			PaddingConverter pc = new PaddingConverter ();
			Assert.AreEqual (new Padding (1, 2, 3, 4), pc.ConvertFrom (
				string.Format ("1{0} 2{0} 3{0} 4", listSeparator)), "A1");
			Assert.AreEqual (new Padding (1, 2, 3, 4), pc.ConvertFrom (
				string.Format ("1{0}2{0}3{0}4", listSeparator)), "A2");
			Assert.AreEqual (new Padding (1, 2, 3, 4), pc.ConvertFrom (
				string.Format ("1{0}  2{0}  3{0}  4", listSeparator)), "A3");
			Assert.AreEqual (new Padding (1), pc.ConvertFrom (string.Format (
				"1{0} 1{0} 1{0} 1", listSeparator)), "A4");
			Assert.AreEqual (new Padding (), pc.ConvertFrom (string.Format (
				"0{0} 0{0} 0{0} 0", listSeparator)), "A5");
		}

		[Test]
		public void ConvertTo ()
		{
			PaddingConverter pc = new PaddingConverter ();

			Assert.AreEqual (string.Format (CultureInfo.CurrentCulture,
				"1{0} 2{0} 3{0} 4", CultureInfo.CurrentCulture.TextInfo.ListSeparator),
				(string) pc.ConvertTo (new Padding (1, 2, 3, 4), typeof (string)), "A1");
			Assert.AreEqual (string.Format (CultureInfo.CurrentCulture,
				"1{0} 1{0} 1{0} 1", CultureInfo.CurrentCulture.TextInfo.ListSeparator),
				(string) pc.ConvertTo (new Padding (1), typeof (string)), "A2");
			Assert.AreEqual (string.Format (CultureInfo.CurrentCulture,
				"0{0} 0{0} 0{0} 0", CultureInfo.CurrentCulture.TextInfo.ListSeparator),
				(string) pc.ConvertTo (Padding.Empty, typeof (string)), "A3");
		}

		private Padding RoundTripPadding (Padding p)
		{
			PaddingConverter pc = new PaddingConverter ();
			
			string s = (string)pc.ConvertTo (p, typeof (string));
			return (Padding)pc.ConvertFrom (s);
		}
		
		[Test]
		public void CreateInstanceSupported ()
		{
			PaddingConverter pc = new PaddingConverter ();
			
			Assert.AreEqual (true, pc.GetCreateInstanceSupported (null), "A1");
			Assert.AreEqual (true, pc.GetPropertiesSupported (null), "A2");
		}
	}
}
#endif