diff --git a/ICSharpCode.Decompiler.Tests/ILPrettyTestRunner.cs b/ICSharpCode.Decompiler.Tests/ILPrettyTestRunner.cs
new file mode 100644
index 000000000..dd35bd413
--- /dev/null
+++ b/ICSharpCode.Decompiler.Tests/ILPrettyTestRunner.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+using ICSharpCode.Decompiler.Tests.Helpers;
+using NUnit.Framework;
+
+namespace ICSharpCode.Decompiler.Tests
+{
+    public class ILPrettyTestRunner
+    {
+		const string TestCasePath = @"../../../../ICSharpCode.Decompiler.Tests/TestCases/ILPretty";
+
+		[Test]
+		public void AllFilesHaveTests()
+		{
+			var testNames = typeof(ILPrettyTestRunner).GetMethods()
+				.Where(m => m.GetCustomAttributes(typeof(TestAttribute), false).Any())
+				.Select(m => m.Name)
+				.ToArray();
+			foreach (var file in new DirectoryInfo(TestCasePath).EnumerateFiles()) {
+				if (file.Extension.Equals(".il", StringComparison.OrdinalIgnoreCase)) {
+					var testName = file.Name.Split('.')[0];
+					Assert.Contains(testName, testNames);
+					Assert.IsTrue(File.Exists(Path.Combine(TestCasePath, testName + ".cs")));
+				}
+			}
+		}
+
+		[Test, Ignore("Need to decide how to represent virtual methods without 'newslot' flag")]
+		public void Issue379()
+		{
+			Run();
+		}
+
+		void Run([CallerMemberName] string testName = null)
+		{
+			var ilFile = Path.Combine(TestCasePath, testName + ".il");
+			var csFile = Path.Combine(TestCasePath, testName + ".cs");
+
+			var executable = Tester.AssembleIL(ilFile, AssemblerOptions.Library);
+			var decompiled = Tester.DecompileCSharp(executable);
+
+			CodeAssert.FilesAreEqual(csFile, decompiled);
+		}
+	}
+}
diff --git a/ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue379.cs b/ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue379.cs
new file mode 100644
index 000000000..f8e9d3ea1
--- /dev/null
+++ b/ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue379.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace ICSharpCode.Decompiler.Tests.TestCases.ILPretty
+{
+    internal class Issue379
+    {
+		public virtual void Test<T>() where T : new()
+		{
+		}
+	}
+}
diff --git a/ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue379.il b/ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue379.il
new file mode 100644
index 000000000..57c360372
--- /dev/null
+++ b/ICSharpCode.Decompiler.Tests/TestCases/ILPretty/Issue379.il
@@ -0,0 +1,31 @@
+// Metadata version: v4.0.30319
+.assembly extern mscorlib
+{
+  .publickeytoken = (B7 7A 5C 56 19 34 E0 89 )                         // .z\V.4..
+  .ver 4:0:0:0
+}
+.assembly ConsoleApp11
+{
+  .ver 1:0:0:0
+}
+.module ConsoleApp11.exe
+// MVID: {B973FCD6-A9C4-48A9-8291-26DDC248E208}
+.imagebase 0x00400000
+.file alignment 0x00000200
+.stackreserve 0x00100000
+.subsystem 0x0003       // WINDOWS_CUI
+.corflags 0x00020003    //  ILONLY 32BITPREFERRED
+// Image base: 0x000001C4B6C90000
+
+.class private auto ansi beforefieldinit ICSharpCode.Decompiler.Tests.TestCases.ILPretty.Issue379
+       extends [mscorlib]System.Object
+{
+.method public hidebysig virtual 
+        instance void  Test<.ctor T>() cil managed
+{
+  // Code size       2 (0x2)
+  .maxstack  8
+  IL_0000:  nop
+  IL_0001:  ret
+} // end of method Program::Test
+}
\ No newline at end of file