PowerShell · daxian-dbw · Jul 26, 2017 · Jul 24, 2017
@@ -686,7 +686,7 @@ public string HelpMessage
            {
                if (string.IsNullOrEmpty(value))
                {
-                    throw PSTraceSource.NewArgumentException("value");
+                    throw PSTraceSource.NewArgumentException("HelpMessage");
                }
                _helpMessage = value;
            }
@@ -707,7 +707,7 @@ public string HelpMessageBaseName
            {
                if (string.IsNullOrEmpty(value))
                {
-                    throw PSTraceSource.NewArgumentException("value");
+                    throw PSTraceSource.NewArgumentException("HelpMessageBaseName");
                }
                _helpMessageBaseName = value;
            }
@@ -728,7 +728,7 @@ public string HelpMessageResourceId
            {
                if (string.IsNullOrEmpty(value))
                {
-                    throw PSTraceSource.NewArgumentException("value");
+                    throw PSTraceSource.NewArgumentException("HelpMessageResourceId");
                }
                _helpMessageResourceId = value;
            }

@@ -775,16 +775,6 @@ internal CommandProcessorBase LookupCommandProcessor(CommandInfo commandInfo,
                            new CommandNotFoundException(reqSyntaxException.Message, reqSyntaxException);
                        throw e;
                    }
-                    catch (PSArgumentException argException)
-                    {
-                        CommandNotFoundException e =
-                            new CommandNotFoundException(
-                                commandInfo.Name,
-                                argException,
-                                "ScriptRequiresInvalidFormat",
-                                DiscoveryExceptions.ScriptRequiresInvalidFormat);
-                        throw e;
-                    }
                    break;
                case CommandTypes.Filter:
                case CommandTypes.Function:

@@ -0,0 +1,24 @@
+Describe "Attribute tests" -Tags "CI" {
+    BeforeEach {
+        Remove-Item $testdrive/test.ps1 -Force -ErrorAction SilentlyContinue
+    }
+
+    It "<attribute> attribute returns argument error if empty" -TestCases @(
+        @{Attribute="HelpMessage"},
+        @{Attribute="HelpMessageBaseName"},
+        @{Attribute="HelpMessageResourceId"}
+    ) {
+        param($attribute)
+
+        $script = @"
+[CmdletBinding()]
+Param (
+[Parameter($attribute="")]
+[String]`$Parameter1
+)
+Write-Output "Hello"
+"@
+        New-Item -Path $testdrive/test.ps1 -Value $script -ItemType File
+        { & $testdrive/test.ps1 } | ShouldBeErrorId "Argument"
+    }
+}