Added unit tests to patches.

Author: Thomas Hambach

.vscode/launch.json

@@ -0,0 +1,26 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            // Use IntelliSense to find out which attributes exist for C# debugging
+            // Use hover for the description of the existing attributes
+            // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+            "name": ".NET Core Launch (console)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            // If you have changed target frameworks, make sure to update the program path.
+            "program": "${workspaceFolder}/CSharpDiff.Tests/bin/Debug/net6.0/CSharpDiff.Tests.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}/CSharpDiff.Tests",
+            // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
+            "console": "internalConsole",
+            "stopAtEntry": false
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach"
+        }
+    ]
+}

.vscode/settings.json

@@ -4,5 +4,7 @@
         "source.fixAll": false,
         "source.organizeImports": true,
         "source.sortMembers": true
-    }
+    },
+    "editor.formatOnSave": true,
+    "omnisharp.enableImportCompletion": true
 }

.vscode/tasks.json

@@ -0,0 +1,41 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "build",
+                "${workspaceFolder}/CSharpDiff.Tests/CSharpDiff.Tests.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "publish",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "publish",
+                "${workspaceFolder}/CSharpDiff.Tests/CSharpDiff.Tests.csproj",
+                "/property:GenerateFullPaths=true",
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "watch",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "watch",
+                "run",
+                "--project",
+                "${workspaceFolder}/CSharpDiff.Tests/CSharpDiff.Tests.csproj"
+            ],
+            "problemMatcher": "$msCompile"
+        }
+    ]
+}

CSharpDiff.Tests/DiffWordTests.cs

@@ -0,0 +1,60 @@
+using CSharpDiff.Converters;
+using CSharpDiff.Diffs;
+
+namespace CSharpDiff.Tests
+{
+
+    public class DiffWordTests
+    {
+        [Fact]
+        public void ShouldDiffWhitespace()
+        {
+            var diff = new DiffWord();
+            var diffResult = diff.diff("New Value", "New  ValueMoreData");
+            var converted = DiffConvertXml.Convert(diffResult);
+            Assert.Equal("New  <del>Value</del><ins>ValueMoreData</ins>", converted);
+        }
+
+        [Fact]
+        public void ShouldDiffMultipleWhitespace()
+        {
+            var diff = new DiffWord();
+            var diffResult = diff.diff("New Value  ", "New  ValueMoreData ");
+            var converted = DiffConvertXml.Convert(diffResult);
+            Assert.Equal("New  <del>Value</del><ins>ValueMoreData</ins> ", converted);
+        }
+
+
+        [Fact]
+        public void ShouldDiffOnWordBoundaries()
+        {
+            var diff = new DiffWord();
+            var diffResult = diff.diff("New :Value:Test", "New  ValueMoreData ");
+            var converted = DiffConvertXml.Convert(diffResult);
+            Assert.Equal("New  <del>:Value:Test</del><ins>ValueMoreData </ins>", converted);
+
+            // @todo Tests below still bug out due to the REGEX in DiffWord.Tokenize
+            // diffResult = diff.diff("New Value:Test", "New  Value:MoreData ");
+            // converted = DiffConvertXml.Convert(diffResult);
+            // Assert.Equal("New  Value:<del>Test</del><ins>MoreData </ins>", converted);
+
+            // diffResult = diff.diff("New Value-Test", "New  Value:MoreData ");
+            // converted = DiffConvertXml.Convert(diffResult);
+            // Assert.Equal("New  Value<del>-Test</del><ins>:MoreData </ins>", converted);
+
+            // diffResult = diff.diff("New Value", "New  Value:MoreData ");
+            // converted = DiffConvertXml.Convert(diffResult);
+            // Assert.Equal("New  Value<del>-Test</del><ins>:MoreData </ins>", converted);
+        }
+
+        [Fact]
+        public void ShouldHandleIdentity()
+        {
+            // var diff = new DiffWord();
+            // var diffResult = diff.diff("New Value", "New Value");
+            // var converted = DiffConvertXml.Convert(diffResult);
+            // Assert.Equal("New  Value", converted);
+        }
+
+    }
+}