1 files changed, 164 insertions, 0 deletions
diff --git a/main/tests/UnitTests/MonoDevelop.Ide.Editor/ReadonlyTextDocumentTestBase.cs b/main/tests/UnitTests/MonoDevelop.Ide.Editor/ReadonlyTextDocumentTestBase.cs
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+++ b/main/tests/UnitTests/MonoDevelop.Ide.Editor/ReadonlyTextDocumentTestBase.cs
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+//
+// ReadonlyTextDocumentTestBase.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 MonoDevelop.Core.Text;
+using System.Text;
+
+namespace MonoDevelop.Ide.Editor
+{
+	[TestFixture]
+	public abstract class ReadonlyTextDocumentTestBase : TextSourceTestBase
+	{
+		protected sealed override ITextSource CreateTextSource (string text, Encoding enc = null, bool useBom = false)
+		{
+			return CreateReadonlyTextDocument (text, enc, useBom);
+		}
+
+		protected abstract IReadonlyTextDocument CreateReadonlyTextDocument (string text, Encoding enc = null, bool useBom = false);
+
+
+		[Test]
+		public void TestLineCount()
+		{
+			var doc = CreateReadonlyTextDocument ("aaa\nbbb\nccc\n");
+			Assert.AreEqual (4, doc.LineCount);
+		}
+
+
+		[Test]
+		public void TestLocationToOffset()
+		{
+			var doc = CreateReadonlyTextDocument ("aaa\nbbb\nccc\n");
+			Assert.AreEqual (0, doc.LocationToOffset (1, 1));
+			Assert.AreEqual (4, doc.LocationToOffset (2, 1));
+			Assert.AreEqual (11, doc.LocationToOffset (3, 4));
+		}
+
+		[Test]
+		public void TestOffsetToLocation()
+		{
+			var doc = CreateReadonlyTextDocument ("aaa\nbbb\nccc\n");
+			Assert.AreEqual (new DocumentLocation (1, 1), doc.OffsetToLocation (0));
+			Assert.AreEqual (new DocumentLocation (2, 1), doc.OffsetToLocation (4));
+			Assert.AreEqual (new DocumentLocation (3, 4), doc.OffsetToLocation (11));
+		}
+
+		[Test]
+		public void TestGetLine()
+		{
+			var doc = CreateReadonlyTextDocument ("aaa\nbbb\nccc\n");
+			var line1 = doc.GetLine (1);
+			Assert.AreEqual (0, line1.Offset);
+			Assert.AreEqual (3, line1.Length);
+			Assert.AreEqual (1, line1.DelimiterLength);
+			Assert.AreEqual (1, line1.LineNumber);
+
+			var line2 = doc.GetLine (2);
+			Assert.AreEqual (4, line2.Offset);
+			Assert.AreEqual (3, line2.Length);
+			Assert.AreEqual (1, line2.DelimiterLength);
+			Assert.AreEqual (2, line2.LineNumber);
+
+			var line3 = doc.GetLine (3);
+			Assert.AreEqual (8, line3.Offset);
+			Assert.AreEqual (3, line3.Length);
+			Assert.AreEqual (1, line3.DelimiterLength);
+			Assert.AreEqual (3, line3.LineNumber);
+
+			var line4 = doc.GetLine (4);
+			Assert.AreEqual (12, line4.Offset);
+			Assert.AreEqual (0, line4.Length);
+			Assert.AreEqual (0, line4.DelimiterLength);
+			Assert.AreEqual (4, line4.LineNumber);
+		}
+
+		[Test]
+		public void GetLineByOffset()
+		{
+			var doc = CreateReadonlyTextDocument ("aaa\nbbb\nccc\n");
+			for (int i = 0; i < 3; i++) {
+				var line1 = doc.GetLineByOffset (0 + i);
+				Assert.AreEqual (0, line1.Offset);
+				Assert.AreEqual (3, line1.Length);
+				Assert.AreEqual (1, line1.DelimiterLength);
+				Assert.AreEqual (1, line1.LineNumber);
+			}
+
+			for (int i = 0; i < 3; i++) {
+				var line2 = doc.GetLineByOffset (4 + i);
+				Assert.AreEqual (4, line2.Offset);
+				Assert.AreEqual (3, line2.Length);
+				Assert.AreEqual (1, line2.DelimiterLength);
+				Assert.AreEqual (2, line2.LineNumber);
+			}
+
+			for (int i = 0; i < 3; i++) {
+				var line3 = doc.GetLineByOffset (8 + i);
+				Assert.AreEqual (8, line3.Offset);
+				Assert.AreEqual (3, line3.Length);
+				Assert.AreEqual (1, line3.DelimiterLength);
+				Assert.AreEqual (3, line3.LineNumber);
+			}
+
+			var line4 = doc.GetLineByOffset (12);
+			Assert.AreEqual (12, line4.Offset);
+			Assert.AreEqual (0, line4.Length);
+			Assert.AreEqual (0, line4.DelimiterLength);
+			Assert.AreEqual (4, line4.LineNumber);
+		}
+
+		[Test]
+		public void TestLineParsingLineEndings()
+		{
+			var doc = CreateReadonlyTextDocument ("1\n2\r\n3\r4\u00855\u000B6\u000C7\u20288\u2029");
+			Assert.AreEqual (UnicodeNewline.LF, doc.GetLine (1).UnicodeNewline);
+			Assert.AreEqual (1, doc.GetLine (1).DelimiterLength);
+
+			Assert.AreEqual (UnicodeNewline.CRLF, doc.GetLine (2).UnicodeNewline);
+			Assert.AreEqual (2, doc.GetLine (2).DelimiterLength);
+
+			Assert.AreEqual (UnicodeNewline.CR, doc.GetLine (3).UnicodeNewline);
+			Assert.AreEqual (1, doc.GetLine (3).DelimiterLength);
+
+			Assert.AreEqual (UnicodeNewline.NEL, doc.GetLine (4).UnicodeNewline);
+			Assert.AreEqual (1, doc.GetLine (4).DelimiterLength);
+
+			Assert.AreEqual (UnicodeNewline.VT, doc.GetLine (5).UnicodeNewline);
+			Assert.AreEqual (1, doc.GetLine (5).DelimiterLength);
+
+			Assert.AreEqual (UnicodeNewline.FF, doc.GetLine (6).UnicodeNewline);
+			Assert.AreEqual (1, doc.GetLine (6).DelimiterLength);
+
+			Assert.AreEqual (UnicodeNewline.LS, doc.GetLine (7).UnicodeNewline);
+			Assert.AreEqual (1, doc.GetLine (7).DelimiterLength);
+
+			Assert.AreEqual (UnicodeNewline.PS, doc.GetLine (8).UnicodeNewline);
+			Assert.AreEqual (1, doc.GetLine (8).DelimiterLength);
+		}
+
+	}
+}
+\ No newline at end of file