FilesInUse messages are too different to unify in the Burn engine.

Fixes #6348

2 files changed, 48 insertions, 0 deletions

diff --git a/src/test/burn/WixToolsetTest.BurnE2E/FilesInUseTests.cs b/src/test/burn/WixToolsetTest.BurnE2E/FilesInUseTests.cs
new file mode 100644
index 00000000..6ad68d22
--- /dev/null
+++ b/src/test/burn/WixToolsetTest.BurnE2E/FilesInUseTests.cs
@@ -0,0 +1,38 @@
+// 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.IO;
+    using WixTestTools;
+    using Xunit;
+    using Xunit.Abstractions;
+
+    public class FilesInUseTests : BurnE2ETests
+    {
+        public FilesInUseTests(ITestOutputHelper testOutputHelper) : base(testOutputHelper) { }
+
+        [Fact]
+        public void CanCancelInstallAfterRetryingLockedFile()
+        {
+            var packageA = this.CreatePackageInstaller("PackageA");
+            var bundleA = this.CreateBundleInstaller("BundleA");
+            var testBAController = this.CreateTestBAController();
+
+            testBAController.SetPackageRetryExecuteFilesInUse("PackageA", 1);
+
+            packageA.VerifyInstalled(false);
+
+            // Lock the file that will be installed.
+            string targetInstallFile = packageA.GetInstalledFilePath("Package.wxs");
+            Directory.CreateDirectory(Path.GetDirectoryName(targetInstallFile));
+            using (FileStream lockTargetFile = new FileStream(targetInstallFile, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None, 4096, FileOptions.DeleteOnClose))
+            {
+                bundleA.Install(expectedExitCode: (int)MSIExec.MSIExecReturnCode.ERROR_INSTALL_USEREXIT);
+            }
+
+            bundleA.VerifyUnregisteredAndRemovedFromPackageCache();
+
+            packageA.VerifyInstalled(false);
+        }
+    }
+}
diff --git a/src/test/burn/WixToolsetTest.BurnE2E/TestBAController.cs b/src/test/burn/WixToolsetTest.BurnE2E/TestBAController.cs
index 6e4fe6c6..d2e8a1ca 100644
--- a/src/test/burn/WixToolsetTest.BurnE2E/TestBAController.cs
+++ b/src/test/burn/WixToolsetTest.BurnE2E/TestBAController.cs
@@ -118,6 +118,16 @@ namespace WixToolsetTest.BurnE2E
         }
 
         /// <summary>
+        /// Retries the files in use one or more times before canceling.
+        /// </summary>
+        /// <param name="packageId">Package identity.</param>
+        /// <param name="cancelPoint">Sets or removes the retry count on a package's file in use message.</param>
+        public void SetPackageRetryExecuteFilesInUse(string packageId, int? retryCount)
+        {
+            this.SetPackageState(packageId, "RetryExecuteFilesInUse", retryCount.HasValue ? retryCount.ToString() : null);
+        }
+
+        /// <summary>
         /// Sets the requested state for a package that the TestBA will return to the engine during plan.
         /// </summary>
         /// <param name="packageId">Package identity.</param>