From 166ec540133465102ae98258019203cf949b8a55 Mon Sep 17 00:00:00 2001
From: Charu Bassi <charub@microsoft.com>
Date: Mon, 28 Nov 2016 17:04:07 -0800
Subject: [PATCH] User should not be able to set MaxHistoryCount to unsupported
 value

Validate that MaxHistoryCount lies within the range of 1-int.maxValue.
---
 PSReadLine/Cmdlets.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/PSReadLine/Cmdlets.cs b/PSReadLine/Cmdlets.cs
index 8bad00c..001435e 100644
--- a/PSReadLine/Cmdlets.cs
+++ b/PSReadLine/Cmdlets.cs
@@ -461,6 +461,7 @@ namespace Microsoft.PowerShell
         internal SwitchParameter? _historySearchCursorMovesToEnd;
 
         [Parameter(ParameterSetName = "OptionsSet")]
+        [ValidateRange(1, int.MaxValue)]
         public int MaximumHistoryCount
         {
             get { return _maximumHistoryCount.GetValueOrDefault(); }