DocumentTests.cs

// <file>
//     <copyright see="prj:///doc/copyright.txt"/>
//     <license see="prj:///doc/license.txt"/>
//     <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
//     <version>$Revision$</version>
// </file>

using ICSharpCode.TextEditor.Document;
using NUnit.Framework;

namespace ICSharpCode.TextEditor.Tests
{
    [TestFixture]
    public class DocumentAggregatorTests
    {
        [Test]
        public void TestDocumentBug1Test()
        {
            var document = new DocumentFactory().CreateDocument();

            var top = "1234567890";
            document.TextContent = top;

            Assert.AreEqual(document.GetLineSegment(lineNumber: 0).Length, document.TextLength);

            document.Remove(offset: 0, length: document.TextLength);

            var line = document.GetLineSegment(lineNumber: 0);
            Assert.AreEqual(expected: 0, actual: line.Offset);
            Assert.AreEqual(expected: 0, actual: line.Length);
            Assert.AreEqual(expected: 0, actual: document.TextLength);
            Assert.AreEqual(expected: 1, actual: document.TotalNumberOfLines);
        }

        [Test]
        public void TestDocumentBug2Test()
        {
            var document = new DocumentFactory().CreateDocument();

            var top = "123\n456\n789\n0";
            var testText = "Hello World!";

            document.TextContent = top;

            document.Insert(top.Length, testText);

            var line = document.GetLineSegment(document.TotalNumberOfLines - 1);

            Assert.AreEqual(top.Length - 1, line.Offset);
            Assert.AreEqual(testText.Length + 1, line.Length);
        }

        [Test]
        public void TestDocumentGenerationTest()
        {
            new DocumentFactory().CreateDocument();
        }

        [Test]
        public void TestDocumentInsertTest()
        {
            var document = new DocumentFactory().CreateDocument();

            var top = "1234567890\n";
            var testText =
                "12345678\n" +
                "1234567\n" +
                "123456\n" +
                "12345\n" +
                "1234\n" +
                "123\n" +
                "12\n" +
                "1\n" +
                "\n";

            document.TextContent = top;
            document.Insert(top.Length, testText);
            Assert.AreEqual(top + testText, document.TextContent);
        }

        [Test]
        public void TestDocumentRemoveStoreTest()
        {
            var document = new DocumentFactory().CreateDocument();

            var top = "1234567890\n";
            var testText =
                "12345678\n" +
                "1234567\n" +
                "123456\n" +
                "12345\n" +
                "1234\n" +
                "123\n" +
                "12\n" +
                "1\n" +
                "\n";
            document.TextContent = top + testText;
            document.Remove(offset: 0, length: top.Length);
            Assert.AreEqual(document.TextContent, testText);

            document.Remove(offset: 0, length: document.TextLength);
            var line = document.GetLineSegment(lineNumber: 0);
            Assert.AreEqual(expected: 0, actual: line.Offset);
            Assert.AreEqual(expected: 0, actual: line.Length);
            Assert.AreEqual(expected: 0, actual: document.TextLength);
            Assert.AreEqual(expected: 1, actual: document.TotalNumberOfLines);
        }

        [Test]
        public void TestDocumentStoreTest()
        {
            var document = new DocumentFactory().CreateDocument();

            var testText = "1234567890\n" +
                           "12345678\n" +
                           "1234567\n" +
                           "123456\n" +
                           "12345\n" +
                           "1234\n" +
                           "123\n" +
                           "12\n" +
                           "1\n" +
                           "\n";
            document.TextContent = testText;

            Assert.AreEqual(testText, document.TextContent);
            Assert.AreEqual(expected: 11, actual: document.TotalNumberOfLines);
            Assert.AreEqual(testText.Length, document.TextLength);
        }

//        [Test]
//        public void TestDocumentBug3Test()
//        {
//            IDocument document = new DocumentFactory().CreateDocument();
//
//            string testText = "123\r\n";
//
//            for (int i = 0; i < 5; ++i) {
//                document.Insert(document.TextLength, testText);
//            }
//
//            document.Caret.Offset = testText.Length * 2 + 1;
//            document.Remove(testText.Length * 2, 2);
//
//            Assert.AreEqual(testText.Length * 2, document.Caret.Offset);
//        }

//        [Test]
//        public void TestDocumentBug4Test()
//        {
//            IDocument document = new DocumentFactory().CreateDocument();
//
//            string testText = "123\r\n";
//
//            for (int i = 0; i < 5; ++i) {
//                document.Insert(document.TextLength, testText);
//            }
//
//            document.Caret.Offset = testText.Length * 2 + 1;
//            document.Replace(testText.Length * 2, 2, "");
//
//            Assert.AreEqual(testText.Length * 2, document.Caret.Offset);
//        }
//
//        [Test]
//        public void TestDocumentBug5Test()
//        {
//            IDocument document = new DocumentFactory().CreateDocument();
//
//            for (int i = 3; i <= 5; ++i) {
//                document.TextContent  = "abcdefgh";
//                document.Caret.Offset = i;
//
//                document.Replace(2, 3, "Hello");
//
//                Assert.AreEqual(i, document.Caret.Offset);
//            }
//        }
    }
}