Report invalid command line arguments as errors

Fixes wixtoolset/issues#6313

6 files changed, 15 insertions, 12 deletions

diff --git a/src/WixToolset.Core/CommandLine/BuildCommand.cs b/src/WixToolset.Core/CommandLine/BuildCommand.cs
index fed95958..065467bd 100644
--- a/src/WixToolset.Core/CommandLine/BuildCommand.cs
+++ b/src/WixToolset.Core/CommandLine/BuildCommand.cs
@@ -841,8 +841,7 @@ namespace WixToolset.Core.CommandLine
                 }
                 else
                 {
-                    this.Messaging.Write(ErrorMessages.IllegalSuppressWarningId(paramArg));
-                    parser.ErrorArgument = parameter;
+                    parser.ReportErrorArgument(parameter, ErrorMessages.IllegalSuppressWarningId(paramArg));
                 }
             }
 
@@ -859,8 +858,7 @@ namespace WixToolset.Core.CommandLine
                 }
                 else
                 {
-                    this.Messaging.Write(ErrorMessages.IllegalSuppressWarningId(paramArg));
-                    parser.ErrorArgument = parameter;
+                    parser.ReportErrorArgument(parameter, ErrorMessages.IllegalSuppressWarningId(paramArg));
                 }
             }
         }
diff --git a/src/WixToolset.Core/CommandLine/CommandLine.cs b/src/WixToolset.Core/CommandLine/CommandLine.cs
index 5439eb39..0c21eaaa 100644
--- a/src/WixToolset.Core/CommandLine/CommandLine.cs
+++ b/src/WixToolset.Core/CommandLine/CommandLine.cs
@@ -97,19 +97,19 @@ namespace WixToolset.Core.CommandLine
                 {
                     if (!this.TryParseCommand(arg, parser, extensions, out command))
                     {
-                        parser.ErrorArgument = arg;
+                        parser.ReportErrorArgument(arg);
                     }
                 }
                 else if (parser.IsSwitch(arg))
                 {
                     if (!command.TryParseArgument(parser, arg) && !TryParseCommandLineArgumentWithExtension(arg, parser, extensions))
                     {
-                        parser.ErrorArgument = arg;
+                        parser.ReportErrorArgument(arg);
                     }
                 }
                 else if (!TryParseCommandLineArgumentWithExtension(arg, parser, extensions) && !command.TryParseArgument(parser, arg))
                 {
-                    parser.ErrorArgument = arg;
+                    parser.ReportErrorArgument(arg);
                 }
             }
 
diff --git a/src/WixToolset.Core/CommandLine/CommandLineParser.cs b/src/WixToolset.Core/CommandLine/CommandLineParser.cs
index e78da47e..015d3e62 100644
--- a/src/WixToolset.Core/CommandLine/CommandLineParser.cs
+++ b/src/WixToolset.Core/CommandLine/CommandLineParser.cs
@@ -12,7 +12,7 @@ namespace WixToolset.Core.CommandLine
     {
         private const string ExpectedArgument = "expected argument";
 
-        public string ErrorArgument { get; set; }
+        public string ErrorArgument { get; private set; }
 
         private Queue<string> RemainingArguments { get; }
 
@@ -122,6 +122,12 @@ namespace WixToolset.Core.CommandLine
             return false;
         }
 
+        public void ReportErrorArgument(string argument, Message message = null)
+        {
+            this.Messaging.Write(message ?? ErrorMessages.AdditionalArgumentUnexpected(argument));
+            this.ErrorArgument = argument;
+        }
+
         public bool TryGetNextSwitchOrArgument(out string arg)
         {
             if (this.RemainingArguments.Count > 0)
diff --git a/src/test/WixToolsetTest.CoreIntegration/BadInputFixture.cs b/src/test/WixToolsetTest.CoreIntegration/BadInputFixture.cs
index c5168856..62ffe1eb 100644
--- a/src/test/WixToolsetTest.CoreIntegration/BadInputFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/BadInputFixture.cs
@@ -48,7 +48,7 @@ namespace WixToolsetTest.CoreIntegration
             }
         }
 
-        [Fact(Skip = "Test demonstrates failure")]
+        [Fact]
         public void CantBuildSingleExeBundleWithInvalidArgument()
         {
             var folder = TestData.Get(@"TestData");
@@ -72,7 +72,6 @@ namespace WixToolsetTest.CoreIntegration
                 });
 
                 Assert.NotEqual(0, result.ExitCode);
-
                 Assert.False(File.Exists(exePath));
             }
         }
diff --git a/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs b/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs
index 4a5cf544..3ee88640 100644
--- a/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs
@@ -216,7 +216,7 @@ namespace WixToolsetTest.CoreIntegration
                 result.AssertSuccess();
                 Assert.True(File.Exists(msiPath));
 
-                result = WixRunner.Execute(new[]
+                result = WixRunner.Execute(false, new[]
                 {
                     "decompile", msiPath,
                     "-intermediateFolder", intermediateFolder,
diff --git a/src/test/WixToolsetTest.CoreIntegration/DecompileFixture.cs b/src/test/WixToolsetTest.CoreIntegration/DecompileFixture.cs
index b07f5bda..924337ba 100644
--- a/src/test/WixToolsetTest.CoreIntegration/DecompileFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/DecompileFixture.cs
@@ -20,7 +20,7 @@ namespace WixToolsetTest.CoreIntegration
                 var intermediateFolder = fs.GetFolder();
                 var outputPath = Path.Combine(intermediateFolder, @"Actual.wxs");
 
-                var result = WixRunner.Execute(new[]
+                var result = WixRunner.Execute(false, new[]
                 {
                     "decompile",
                     Path.Combine(folder, msiName),