Add a test for cabinets with no files in them

2 files changed, 44 insertions, 0 deletions

diff --git a/src/wix/test/WixToolsetTest.CoreIntegration/MsiCabinetFixture.cs b/src/wix/test/WixToolsetTest.CoreIntegration/MsiCabinetFixture.cs
index bc39e4d3..55f0ed55 100644
--- a/src/wix/test/WixToolsetTest.CoreIntegration/MsiCabinetFixture.cs
+++ b/src/wix/test/WixToolsetTest.CoreIntegration/MsiCabinetFixture.cs
@@ -252,5 +252,40 @@ namespace WixToolsetTest.CoreIntegration
                 WixAssert.CompareLineByLine(expectedMedia, mediaSymbols.Select(s => String.Join(" ", s.DiskId, s.Cabinet, s.LastSequence)).ToArray());
             }
         }
+
+        [Fact]
+        public void CanBuildNoFilesCompressed()
+        {
+            var folder = TestData.Get(@"TestData", "NoFileCompressed");
+
+            using (var fs = new DisposableFileSystem())
+            {
+                var intermediateFolder = fs.GetFolder();
+
+                var result = WixRunner.Execute(
+                [
+                    "build",
+                    Path.Combine(folder, "Package.wxs"),
+                    "-bindpath", Path.Combine(folder, "data"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-o", Path.Combine(intermediateFolder, @"bin\test.msi")
+                ], out var messages, warningsAsErrors: false);
+
+                Assert.Equal(0, result);
+                WixAssert.CompareLineByLine(
+                [
+                    "1079 Warning - The cabinet 'example.cab' does not contain any files. If this installation contains no files, this warning can likely be safely ignored. Otherwise, please add files to the cabinet or remove it."
+                ], [.. messages.Select(m => $"{m.Id} {m.Level} - {m}")]);
+
+                Assert.True(File.Exists(Path.Combine(intermediateFolder, "bin", "test.msi")));
+                Assert.True(File.Exists(Path.Combine(intermediateFolder, "bin", "example.cab")));
+                Assert.True(File.Exists(Path.Combine(intermediateFolder, "bin", "test.wixpdb")));
+
+                var intermediate = Intermediate.Load(Path.Combine(intermediateFolder, @"bin\test.wixpdb"));
+                var section = intermediate.Sections.Single();
+
+                Assert.Empty(section.Symbols.OfType<FileSymbol>());
+            }
+        }
     }
 }
diff --git a/src/wix/test/WixToolsetTest.CoreIntegration/TestData/NoFileCompressed/Package.wxs b/src/wix/test/WixToolsetTest.CoreIntegration/TestData/NoFileCompressed/Package.wxs
new file mode 100644
index 00000000..0e4fbcf6
--- /dev/null
+++ b/src/wix/test/WixToolsetTest.CoreIntegration/TestData/NoFileCompressed/Package.wxs
@@ -0,0 +1,9 @@
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+  <Package Id="WixTest.NoFiles" Name="MsiPackage" Language="1033" Version="0.0.1" Manufacturer="Example Corporation" Compressed="yes">
+    <Media Id="1" Cabinet="example.cab" />
+
+    <Component>
+      <RegistryValue Root="HKMU" Key="SOFTWARE\Wix Test" Name="Foo" Value="Bar" />
+    </Component>
+  </Package>
+</Wix>