1 files changed, 78 insertions, 0 deletions
diff --git a/main/tests/UnitTests/MonoDevelop.Ide.Editor/TextEditorProjectionTests.cs b/main/tests/UnitTests/MonoDevelop.Ide.Editor/TextEditorProjectionTests.cs
new file mode 100644
index 0000000000..5cc9c56ce9
--- /dev/null
+++ b/main/tests/UnitTests/MonoDevelop.Ide.Editor/TextEditorProjectionTests.cs
@@ -0,0 +1,78 @@
+//
+// TextEditorProjectionTests.cs
+//
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+//
+// Copyright (c) 2015 Xamarin Inc. (http://xamarin.com)
+//
+// 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.
+using System;
+using NUnit.Framework;
+using System.Collections.Generic;
+using MonoDevelop.Ide.Editor.Projection;
+using MonoDevelop.Core.Text;
+using MonoDevelop.Ide.Gui;
+using MonoDevelop.CSharpBinding;
+using UnitTests;
+using MonoDevelop.CSharpBinding.Tests;
+using System.Linq;
+
+namespace MonoDevelop.Ide.Editor
+{
+	[TestFixture]
+	public class TextEditorProjectionTests : TestBase
+	{
+		[Test]
+		public void TestProjectionUpdate ()
+		{
+			var editor = TextEditorFactory.CreateNewEditor ();
+			editor.Text = "1234567890";
+
+			var projectedDocument = TextEditorFactory.CreateNewDocument (
+				new StringTextSource ("__12__34__56__78__90"), 
+				"a"
+			);
+
+			var segments = new List<ProjectedSegment> ();
+			for (int i = 0; i < 5; i++) {
+				segments.Add (new ProjectedSegment (i * 2, 2 + i * 4, 2));
+			}
+			var projection = new Projection.Projection (projectedDocument, segments);
+			var tww = new TestWorkbenchWindow ();
+			var content = new TestViewContent ();
+			tww.ViewContent = content;
+
+			var originalContext = new Document (tww);
+			var projectedEditor = projection.CreateProjectedEditor (originalContext);
+			editor.SetOrUpdateProjections (originalContext, new [] { projection }, TypeSystem.DisabledProjectionFeatures.All);
+			editor.InsertText (1, "foo");
+			Assert.AreEqual ("__1foo2__34__56__78__90", projectedEditor.Text);
+
+			Assert.AreEqual (2 , projection.ProjectedSegments.ElementAt (0).ProjectedOffset);
+			Assert.AreEqual (2 + "foo".Length, projection.ProjectedSegments.ElementAt (0).Length);
+			for (int i = 1; i < 5; i++) {
+				Assert.AreEqual (2 + i * 4 + "foo".Length, projection.ProjectedSegments.ElementAt (i).ProjectedOffset);
+				Assert.AreEqual (2, projection.ProjectedSegments.ElementAt (i).Length);
+			}
+
+		}
+	}
+}
+