From 21accbd2f21b5d15bd602b2fbd4444953a9ed9a4 Mon Sep 17 00:00:00 2001
From: Cyrus Najmabadi <cyrus.najmabadi@gmail.com>
Date: Sun, 22 Jul 2018 20:11:20 -0700
Subject: [PATCH] Add assert.

---
 .../NavigateTo/AbstractNavigateToSearchService.InProcess.cs      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Features/Core/Portable/NavigateTo/AbstractNavigateToSearchService.InProcess.cs b/src/Features/Core/Portable/NavigateTo/AbstractNavigateToSearchService.InProcess.cs
index 7d52e239337..ea451025145 100644
--- a/src/Features/Core/Portable/NavigateTo/AbstractNavigateToSearchService.InProcess.cs
+++ b/src/Features/Core/Portable/NavigateTo/AbstractNavigateToSearchService.InProcess.cs
@@ -173,6 +173,7 @@ internal abstract partial class AbstractNavigateToSearchService
             var orderedDocs = highPriDocs.AddRange(lowPriDocs);
 
 #if DEBUG
+            Debug.Assert(priorityDocuments.All(d => project.ContainsDocument(d.Id)), "Priority docs included doc not from project.");
             Debug.Assert(orderedDocs.Length == project.Documents.Count(), "Didn't have the same number of project after ordering them!");
             Debug.Assert(orderedDocs.Distinct().Count() == orderedDocs.Count(), "Ordered list contained a duplicate!");
             Debug.Assert(project.Documents.All(d => orderedDocs.Contains(d)), "At least one document from the project was missing from the ordered list!");
-- 
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