6 files changed, 53 insertions, 12 deletions

diff --git a/src/WixToolset.Core.WindowsInstaller/Bind/CreateOutputFromIRCommand.cs b/src/WixToolset.Core.WindowsInstaller/Bind/CreateOutputFromIRCommand.cs
index 4b02b3aa..6f33080d 100644
--- a/src/WixToolset.Core.WindowsInstaller/Bind/CreateOutputFromIRCommand.cs
+++ b/src/WixToolset.Core.WindowsInstaller/Bind/CreateOutputFromIRCommand.cs
@@ -232,9 +232,9 @@ namespace WixToolset.Core.WindowsInstaller.Bind
             attributes |= tuple.NeverOverwrite ? WindowsInstallerConstants.MsidbComponentAttributesNeverOverwrite : 0;
             attributes |= tuple.Permanent ? WindowsInstallerConstants.MsidbComponentAttributesPermanent : 0;
             attributes |= tuple.SharedDllRefCount ? WindowsInstallerConstants.MsidbComponentAttributesSharedDllRefCount : 0;
+            attributes |= tuple.Shared ? WindowsInstallerConstants.MsidbComponentAttributesShared : 0;
             attributes |= tuple.Transitive ? WindowsInstallerConstants.MsidbComponentAttributesTransitive : 0;
-            attributes |= tuple.UninstallWhenSuperseded ? WindowsInstallerConstants.MsidbComponentAttributes64bit : 0;
-
+            attributes |= tuple.UninstallWhenSuperseded ? WindowsInstallerConstants.MsidbComponentAttributesUninstallOnSupersedence : 0;
             attributes |= tuple.Win64 ? WindowsInstallerConstants.MsidbComponentAttributes64bit : 0;
 
             var table = output.EnsureTable(this.TableDefinitions["Component"]);
diff --git a/src/WixToolset.Core/Compiler.cs b/src/WixToolset.Core/Compiler.cs
index 48e22f6d..25cc095b 100644
--- a/src/WixToolset.Core/Compiler.cs
+++ b/src/WixToolset.Core/Compiler.cs
@@ -2469,6 +2469,7 @@ namespace WixToolset.Core
                     NeverOverwrite = neverOverwrite,
                     Permanent = permanent,
                     SharedDllRefCount = sharedDllRefCount,
+                    Shared = shared,
                     Transitive = transitive,
                     UninstallWhenSuperseded = uninstallWhenSuperseded,
                     Win64 = win64,
diff --git a/src/test/WixToolsetTest.CoreIntegration/MsiFixture.cs b/src/test/WixToolsetTest.CoreIntegration/MsiFixture.cs
index 3e66ad0a..0aabc5a9 100644
--- a/src/test/WixToolsetTest.CoreIntegration/MsiFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/MsiFixture.cs
@@ -43,7 +43,7 @@ namespace WixToolsetTest.CoreIntegration
                 var intermediate = Intermediate.Load(Path.Combine(intermediateFolder, @"test.wir"));
                 var section = intermediate.Sections.Single();
 
-                var wixFile = section.Tuples.OfType<WixFileTuple>().Single();
+                var wixFile = section.Tuples.OfType<WixFileTuple>().First();
                 Assert.Equal(Path.Combine(folder, @"data\test.txt"), wixFile[WixFileTupleFields.Source].AsPath().Path);
                 Assert.Equal(@"test.txt", wixFile[WixFileTupleFields.Source].PreviousValue.AsPath().Path);
             }
@@ -540,6 +540,43 @@ namespace WixToolsetTest.CoreIntegration
         }
 
         [Fact]
+        public void CanBuildSharedComponent()
+        {
+            var folder = TestData.Get(@"TestData\SingleFile");
+
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+
+                var result = WixRunner.Execute(new[]
+                {
+                    "build",
+                    Path.Combine(folder, "Package.wxs"),
+                    Path.Combine(folder, "PackageComponents.wxs"),
+                    "-loc", Path.Combine(folder, "Package.en-us.wxl"),
+                    "-bindpath", Path.Combine(folder, "data"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-arch", "x64",
+                    "-o", Path.Combine(baseFolder, @"bin\test.msi")
+                });
+
+                result.AssertSuccess();
+
+                var intermediate = Intermediate.Load(Path.Combine(intermediateFolder, @"test.wir"));
+                var section = intermediate.Sections.Single();
+
+                // Only one component is shared.
+                var sharedComponentTuples = section.Tuples.OfType<ComponentTuple>();
+                Assert.Equal(1, sharedComponentTuples.Sum(t => t.Shared ? 1 : 0));
+
+                // And it is this one.
+                var sharedComponentTuple = sharedComponentTuples.Single(t => t.Id.Id == "Shared.dll");
+                Assert.True(sharedComponentTuple.Shared);
+            }
+        }
+
+        [Fact]
         public void CanBuildSetProperty()
         {
             var folder = TestData.Get(@"TestData\SetProperty");
diff --git a/src/test/WixToolsetTest.CoreIntegration/TestData/SingleFile/PackageComponents.wxs b/src/test/WixToolsetTest.CoreIntegration/TestData/SingleFile/PackageComponents.wxs
index e26c4509..b8e9f59c 100644
--- a/src/test/WixToolsetTest.CoreIntegration/TestData/SingleFile/PackageComponents.wxs
+++ b/src/test/WixToolsetTest.CoreIntegration/TestData/SingleFile/PackageComponents.wxs
@@ -1,10 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
-  <Fragment>
-    <ComponentGroup Id="ProductComponents" Directory="INSTALLFOLDER">
-       <Component>
-         <File Source="test.txt" />
-       </Component>
-    </ComponentGroup>
-  </Fragment>
+    <Fragment>
+        <ComponentGroup Id="ProductComponents" Directory="INSTALLFOLDER">
+            <Component>
+                <File Source="test.txt" />
+            </Component>
+            <Component Id="Shared.dll" Shared="yes">
+                <File Name="Shared.dll" Source="test.txt" />
+            </Component>
+        </ComponentGroup>
+    </Fragment>
 </Wix>
diff --git a/src/test/WixToolsetTest.CoreIntegration/WixiplFixture.cs b/src/test/WixToolsetTest.CoreIntegration/WixiplFixture.cs
index c52fa68f..391b7021 100644
--- a/src/test/WixToolsetTest.CoreIntegration/WixiplFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/WixiplFixture.cs
@@ -50,7 +50,7 @@ namespace WixToolsetTest.CoreIntegration
                 var intermediate = Intermediate.Load(Path.Combine(baseFolder, @"obj\test.wir"));
                 var section = intermediate.Sections.Single();
 
-                var wixFile = section.Tuples.OfType<WixFileTuple>().Single();
+                var wixFile = section.Tuples.OfType<WixFileTuple>().First();
                 Assert.Equal(Path.Combine(folder, @"data\test.txt"), wixFile[WixFileTupleFields.Source].AsPath().Path);
                 Assert.Equal(@"test.txt", wixFile[WixFileTupleFields.Source].PreviousValue.AsPath().Path);
             }
diff --git a/src/test/WixToolsetTest.CoreIntegration/WixlibFixture.cs b/src/test/WixToolsetTest.CoreIntegration/WixlibFixture.cs
index 532f158d..07044a1f 100644
--- a/src/test/WixToolsetTest.CoreIntegration/WixlibFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/WixlibFixture.cs
@@ -50,7 +50,7 @@ namespace WixToolsetTest.CoreIntegration
                 var intermediate = Intermediate.Load(Path.Combine(baseFolder, @"obj\test.wir"));
                 var section = intermediate.Sections.Single();
 
-                var wixFile = section.Tuples.OfType<WixFileTuple>().Single();
+                var wixFile = section.Tuples.OfType<WixFileTuple>().First();
                 Assert.Equal(Path.Combine(folder, @"data\test.txt"), wixFile[WixFileTupleFields.Source].AsPath().Path);
                 Assert.Equal(@"test.txt", wixFile[WixFileTupleFields.Source].PreviousValue.AsPath().Path);
             }