From e0e1e047b98147b185effc922558a2c5876201de Mon Sep 17 00:00:00 2001
From: Tanner Gooding <tagoo@outlook.com>
Date: Wed, 4 Aug 2021 12:23:44 -0700
Subject: [PATCH] Force xunit to display diagnostics for a non-empty collection

---
 .../PInvokeGeneratorTest.cs                      | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/tests/ClangSharp.PInvokeGenerator.UnitTests/PInvokeGeneratorTest.cs b/tests/ClangSharp.PInvokeGenerator.UnitTests/PInvokeGeneratorTest.cs
index 1e0cd713..948ff4c9 100644
--- a/tests/ClangSharp.PInvokeGenerator.UnitTests/PInvokeGeneratorTest.cs
+++ b/tests/ClangSharp.PInvokeGenerator.UnitTests/PInvokeGeneratorTest.cs
@@ -1,8 +1,8 @@
 // Copyright (c) Microsoft and Contributors. All rights reserved. Licensed under the University of Illinois/NCSA Open Source License. See LICENSE.txt in the project root for license information.
-
 using System.Collections.Generic;
 using System.IO;
 using System.Runtime.CompilerServices;
+using System.Text;
 using System.Threading.Tasks;
 using System.Xml.Linq;
 using ClangSharp.Interop;
@@ -75,7 +75,19 @@ private static async Task ValidateGeneratedBindingsAsync(string inputContents, s
 
                 if (expectedDiagnostics is null)
                 {
-                    Assert.Empty(pinvokeGenerator.Diagnostics);
+                    var diagnostics = new StringBuilder();
+
+                    foreach (var diagnostic in pinvokeGenerator.Diagnostics)
+                    {
+                        diagnostics = diagnostics.AppendLine(diagnostic.ToString());
+                    }
+
+                    var diagnosticsString = diagnostics.ToString();
+
+                    if (!string.IsNullOrEmpty(diagnosticsString))
+                    {
+                        throw new System.Exception(diagnosticsString);
+                    }
                 }
                 else
                 {