1 files changed, 36 insertions, 0 deletions

diff --git a/src/test/burn/WixToolsetTest.BurnE2E/UpgradeRelatedBundleTests.cs b/src/test/burn/WixToolsetTest.BurnE2E/UpgradeRelatedBundleTests.cs
new file mode 100644
index 00000000..70c0c474
--- /dev/null
+++ b/src/test/burn/WixToolsetTest.BurnE2E/UpgradeRelatedBundleTests.cs
@@ -0,0 +1,36 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolsetTest.BurnE2E
+{
+    using System;
+    using System.IO;
+    using WixTestTools;
+    using Xunit;
+    using Xunit.Abstractions;
+
+    public class UpgradeRelatedBundleTests : BurnE2ETests
+    {
+        public UpgradeRelatedBundleTests(ITestOutputHelper testOutputHelper) : base(testOutputHelper) { }
+
+        [Fact]
+        public void ReportsRelatedBundleMissingFromCache()
+        {
+            var packageAv1 = this.CreatePackageInstaller("PackageAv1");
+            var packageAv2 = this.CreatePackageInstaller("PackageAv2");
+            var bundleAv1 = this.CreateBundleInstaller("BundleAv1");
+            var bundleAv2 = this.CreateBundleInstaller("BundleAv2");
+
+            bundleAv1.Install();
+            bundleAv1.VerifyRegisteredAndInPackageCache();
+
+            bundleAv1.ManuallyUncache();
+
+            // Verify https://github.com/wixtoolset/issues/issues/4991
+            var bundleAv2InstallLogFilePath = bundleAv2.Install();
+            bundleAv2.VerifyRegisteredAndInPackageCache();
+
+            Assert.True(LogVerifier.MessageInLogFileRegex(bundleAv2InstallLogFilePath, @"OnDetectRelatedBundle\(\) - id: \{[0-9A-Za-z\-]{36}\}, missing from cache: True"));
+            Assert.True(LogVerifier.MessageInLogFileRegex(bundleAv2InstallLogFilePath, @"Detected related bundle: \{[0-9A-Za-z\-]{36}\}, type: Upgrade, scope: PerMachine, version: 1\.0\.0\.0, operation: MajorUpgrade, cached: No"));
+        }
+    }
+}