Improve logging to remove `(null)`.

Add detached container runtime test.

Inspired by https://github.com/wixtoolset/issues/issues/7490.

3 files changed, 63 insertions, 0 deletions

diff --git a/src/test/burn/TestData/ContainerTests/BundleB/BundleB.wixproj b/src/test/burn/TestData/ContainerTests/BundleB/BundleB.wixproj
new file mode 100644
index 00000000..a91e6317
--- /dev/null
+++ b/src/test/burn/TestData/ContainerTests/BundleB/BundleB.wixproj
@@ -0,0 +1,19 @@
+<!-- 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. -->
+<Project Sdk="WixToolset.Sdk">
+  <PropertyGroup>
+    <OutputType>Bundle</OutputType>
+    <UpgradeCode>{DC389066-79D6-48DA-8F80-A3576C4D4257}</UpgradeCode>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="..\..\Templates\Bundle.wxs" Link="Bundle.wxs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\PackageA\PackageA.wixproj" />
+    <ProjectReference Include="..\PackageB\PackageB.wixproj" />
+    <ProjectReference Include="..\..\TestBA\TestBAWixlib\testbawixlib.wixproj" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="WixToolset.Bal.wixext" />
+    <PackageReference Include="WixToolset.NetFx.wixext" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/src/test/burn/TestData/ContainerTests/BundleB/BundleB.wxs b/src/test/burn/TestData/ContainerTests/BundleB/BundleB.wxs
new file mode 100644
index 00000000..47231a73
--- /dev/null
+++ b/src/test/burn/TestData/ContainerTests/BundleB/BundleB.wxs
@@ -0,0 +1,27 @@
+<!-- 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. -->
+
+
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+  <Fragment>
+    <PackageGroup Id="BundlePackages">
+      <PackageGroupRef Id="PackageA" />
+      <PackageGroupRef Id="PackageB" />
+    </PackageGroup>
+
+    <PackageGroup Id="PackageA">
+      <MsiPackage Id="PackageA" SourceFile="$(var.PackageA.TargetPath)" />
+    </PackageGroup>
+
+    <PackageGroup Id="PackageB">
+      <MsiPackage Id="PackageB" SourceFile="$(var.PackageB.TargetPath)" />
+    </PackageGroup>
+
+    <Container Name="AAA.container" Type="detached">
+      <PackageGroupRef Id="PackageA" />
+    </Container>
+
+    <Container Name="BBB.container" Type="detached">
+      <PackageGroupRef Id="PackageB" />
+    </Container>
+  </Fragment>
+</Wix>
diff --git a/src/test/burn/WixToolsetTest.BurnE2E/ContainerTests.cs b/src/test/burn/WixToolsetTest.BurnE2E/ContainerTests.cs
index a607f7ce..8605c32e 100644
--- a/src/test/burn/WixToolsetTest.BurnE2E/ContainerTests.cs
+++ b/src/test/burn/WixToolsetTest.BurnE2E/ContainerTests.cs
@@ -25,5 +25,22 @@ namespace WixToolsetTest.BurnE2E
             packageA.VerifyInstalled(true);
             packageB.VerifyInstalled(true);
         }
+
+        [RuntimeFact]
+        public void CanSupportMultipleDetachedContainers()
+        {
+            var packageA = this.CreatePackageInstaller("PackageA");
+            var packageB = this.CreatePackageInstaller("PackageB");
+            var bundleA = this.CreateBundleInstaller("BundleB");
+
+            packageA.VerifyInstalled(false);
+            packageB.VerifyInstalled(false);
+
+            bundleA.Install();
+            bundleA.VerifyRegisteredAndInPackageCache();
+
+            packageA.VerifyInstalled(true);
+            packageB.VerifyInstalled(true);
+        }
     }
 }