Get-Help -Category Class results in unhandled exception #7187
Description
This is a regression from 6.1-Preview.3. Doesn't repro unless you have a module with a class that has hidden members. Test module PSSysLog is such a module.
Steps to reproduce
Import-Module build.psm1
Get-Help -Category ClassExpected behavior
Nothing returned
Actual behavior
Release build
get-help : Object reference not set to an instance of an object.
At line:1 char:1
+ get-help -Category Class
+ ~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Get-Help], NullReferenceException
+ FullyQualifiedErrorId :System.NullReferenceException,Microsoft.PowerShell.Commands.GetHelpCommand
Debug build
Assertion Failed PropertyType cannot be null at System.Management.Automation.Diagnostics.Assert(Boolean condition, String whyThisShouldNeverHappen, String detailMessage) in /Users/steve/repos/PowerShell/src/System.Management.Automation/utils/assert.cs:line 195 at System.Management.Automation.Diagnostics.Assert(Boolean condition, String whyThisShouldNeverHappen) in /Users/steve/repos/PowerShell/src/System.Management.Automation/utils/assert.cs:line 130
at System.Management.Automation.PSClassSearcher.ConvertToClassInfo(PSModuleInfo module, ScriptBlockAst ast, TypeDefinitionAst statement) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/PSClassSearcher.cs:line 303
at System.Management.Automation.PSClassSearcher.CachedItemToPSClassInfo(WildcardPattern classNameMatcher, String modulePath) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/PSClassSearcher.cs:line 238
at System.Management.Automation.PSClassSearcher.FindTypeByModulePath(WildcardPattern classNameMatcher) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/PSClassSearcher.cs:line 188
at System.Management.Automation.PSClassSearcher.GetNextClass() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/PSClassSearcher.cs:line 138
at System.Management.Automation.PSClassSearcher.MoveNext() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/PSClassSearcher.cs:line 90
at System.Management.Automation.PSClassHelpProvider.GetHelpInfo(PSClassSearcher searcher)+MoveNext() in /Users/steve/repos/PowerShell/src/System.Management.Automation/help/PSClassHelpProvider.cs:line 132
at System.Management.Automation.PSClassHelpProvider.SearchHelp(HelpRequest helpRequest, Boolean searchOnlyContent)+MoveNext() in /Users/steve/repos/PowerShell/src/System.Management.Automation/help/PSClassHelpProvider.cs:line 89
at System.Management.Automation.HelpSystem.SearchHelp(HelpRequest helpRequest)+MoveNext() in /Users/steve/repos/PowerShell/src/System.Management.Automation/help/HelpSystem.cs:line 497
at System.Management.Automation.HelpSystem.DoGetHelp(HelpRequest helpRequest)+MoveNext() in /Users/steve/repos/PowerShell/src/System.Management.Automation/help/HelpSystem.cs:line 318
at Microsoft.PowerShell.Commands.GetHelpCommand.ProcessRecord() in /Users/steve/repos/PowerShell/src/System.Management.Automation/help/HelpCommands.cs:line 278
at System.Management.Automation.Cmdlet.DoProcessRecord() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/cmdlet.cs:line 172
at System.Management.Automation.CommandProcessor.ProcessRecord() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/CommandProcessor.cs:line 358
at System.Management.Automation.CommandProcessorBase.DoExecute() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/CommandProcessorBase.cs:line 539
at System.Management.Automation.Internal.PipelineProcessor.Inject(Object input, Boolean enumerate) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/pipeline.cs:line 1159
at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/pipeline.cs:line 499
at System.Management.Automation.PipelineOps.InvokePipeline(Object input, Boolean ignoreInput, CommandParameterInternal[][] pipeElements, CommandBaseAst[] pipeElementAsts, CommandRedirection[][] commandRedirections, FunctionContext funcContext) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/runtime/Operations/MiscOps.cs:line 454
at System.Management.Automation.Interpreter.ActionCallInstruction`6.Run(InterpretedFrame frame) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/interpreter/CallInstruction.Generated.cs:line 566
at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/interpreter/ControlFlowInstructions.cs:line 356
at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/interpreter/ControlFlowInstructions.cs:line 356
at System.Management.Automation.Interpreter.Interpreter.Run(InterpretedFrame frame) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/interpreter/Interpreter.cs:line 111
at System.Management.Automation.Interpreter.LightLambda.RunVoid1[T0](T0 arg0) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/interpreter/LightLambda.Generated.cs:line 77
at System.Management.Automation.DlrScriptCommandProcessor.RunClause(Action`1 clause, Object dollarUnderbar, Object inputToProcess) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/ScriptCommandProcessor.cs:line 515
at System.Management.Automation.DlrScriptCommandProcessor.Complete() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/ScriptCommandProcessor.cs:line 416
at System.Management.Automation.CommandProcessorBase.DoComplete() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/CommandProcessorBase.cs:line 613
at System.Management.Automation.Internal.PipelineProcessor.DoCompleteCore(CommandProcessorBase commandRequestingUpstreamCommandsToStop) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/pipeline.cs:line 606
at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input) in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/pipeline.cs:line 518
at System.Management.Automation.Runspaces.LocalPipeline.InvokeHelper() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/hostifaces/LocalPipeline.cs:line 377
at System.Management.Automation.Runspaces.LocalPipeline.InvokeThreadProc() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/hostifaces/LocalPipeline.cs:line 573
at System.Management.Automation.Runspaces.PipelineThread.WorkerProc() in /Users/steve/repos/PowerShell/src/System.Management.Automation/engine/hostifaces/LocalPipeline.cs:line 1254
at System.Threading.Thread.ThreadMain_ThreadStart()
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
Environment data
Name Value
---- -----
PSVersion 6.1.0-preview.3
PSEdition Core
GitCommitId v6.1.0-preview.3-47-ge8d2a6b27827dd366f638468f96487ddf2de1db4
OS Darwin 17.6.0 Darwin Kernel Version 17.6.0: Tue May 8 15:22:16 PDT 2018; root:xnu-4570.61.1~1/RELEASE_X86_64
Platform Unix
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
WSManStackVersion 3.0