uncaught exception when pressing PgUp/PgDn in bck-i-search
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Assessment
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Newbie friendliness
- 45/100
Research direction
Start at the ScrollDisplayDown entry point shown in the exception stack trace and reproduce the failure by using Ctrl+R followed by PageUp or PageDown. The issue is done when those keypresses no longer throw an IOException and the search prompt continues or ignores the input as expected.
Written by the indexing model from the issue text.
Description
Prerequisites
- Write a descriptive title.
- Make sure you are able to repro it on the latest released version
- Search the existing issues, especially the pinned issues.
Exception report
### Environment
PSReadLine: 2.3.5+2cc85806c561a9395751a96a818e8ff1592d19f7
PowerShell: 7.4.2
OS: Microsoft Windows 10.0.17763
BufferWidth: 282
BufferHeight: 9001
Last 4 Keys:
LeftWindows Enter
Ctrl+r PageDown
### Exception
System.IO.IOException: The parameter is incorrect.
at System.ConsolePal.SetWindowPosition(Int32 left, Int32 top)
at Microsoft.PowerShell.Internal.VirtualTerminal.SetWindowPosition(Int32 left, Int32 top)
at Microsoft.PowerShell.PSConsoleReadLine.ScrollDisplayDown(Nullable`1 key, Object arg)
at Microsoft.PowerShell.PSConsoleReadLine.ProcessOneKey(PSKeyInfo key, Dictionary`2 dispatchTable, Boolean ignoreIfNoAction, Object arg)
at Microsoft.PowerShell.PSConsoleReadLine.InputLoop()
at Microsoft.PowerShell.PSConsoleReadLine.ReadLine(Runspace runspace, EngineIntrinsics engineIntrinsics, CancellationToken cancellationToken, Nullable`1 lastRunStatus)
Screenshot
N/A
Environment data
PS Version: 7.4.2
PS HostName: ConsoleHost
PSReadLine Version: 2.3.5
PSReadLine EditMode: Windows
OS: 10.0.17763.1 (WinBuild.160101.0800)
BufferWidth: 282
BufferHeight: 9001
Steps to reproduce
Use bck-i-search (^R) and press PgUp/PgDn. No input to the search prompt is necessary, the exception is easily triggered. The same issue also occured in latest 7.2 release.
Expected behavior
The exception is caught or the keypress is otherwise ignored.
Actual behavior
Exception is thrown
- Dominant language
- C#
- Stars
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- Forks
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Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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