[Gtk2] Add simple Atk test

Author: decriptor

.editorconfig

@@ -9,6 +9,7 @@ charset = utf-8
 indent_style = tab
 trim_trailing_whitespace = true
 max_line_length = 120
+end_of_line = lf
 
 # MSBuild
 [*.{csproj,proj,projitems,shproj,fsproj,target,props}]

src/Gir.Tests/Gir.Tests.csproj

@@ -33,6 +33,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Gtk2\Atk\AtkTests.cs" />
     <Compile Include="Test.cs" />
     <Compile Include="EnumerationTests.cs" />
     <Compile Include="GenerationTestBase.cs" />

src/Gir.Tests/Gtk2/Atk/AtkTests.cs

@@ -0,0 +1,37 @@
+using NUnit.Framework;
+
+namespace Gir.Tests.Gtk2.Atk
+{
+	[TestFixture]
+	class AtkTests : GenerationTestBase
+	{
+		[Test]
+		public void GenerateAtkAction ()
+		{
+			var result = GenerateType (Gtk2Atk1, "Action", true);
+
+			Assert.AreEqual (@"using System;
+
+namespace Atk
+{
+	public interface Action
+	{
+		bool DoAction (int i);
+
+		string GetDescription (int i);
+
+		string GetKeybinding (int i);
+
+		string GetLocalizedName (int i);
+
+		int GetNActions ();
+
+		string GetName (int i);
+
+		bool SetDescription (int i, string desc);
+	}
+}
+", result);
+		}
+	}
+}

src/Gir/Generation/IGeneratableExtensions.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -88,11 +88,10 @@ public static void GenerateCallableDefinition (this INativeCallable callable, IG
 
 			// generate ReturnValue then Parameters
 			var result = BuildParameters (callable, writer.Options, !callable.IsInstanceCallable (gen, writer.Options));
-			writer.Write (string.Format ("{0} {1} ({2})", returnType, callable.Name.ToCSharp (), result.TypesAndNames));
+			writer.Write ($"{returnType} {callable.Name.ToCSharp ()} ({result.TypesAndNames})");
 
-			if (gen is Interface)
-			{
-				writer.Write(";");
+			if (gen is Interface) {
+				writer.Write (";");
 				writer.WriteLine();
 				return;
 			}