Lucene.Net.Analysis.Phonetic.Language.DoubleMetaphone.MaxCodeLen: Added guard clause to ensure the value passed in is not negative, otherwise TestRandomChains could fail.

Author: NightOwl888

src/Lucene.Net.Analysis.Phonetic/DoubleMetaphoneFilter.cs

@@ -47,7 +47,7 @@ public sealed class DoubleMetaphoneFilter : TokenFilter
         public DoubleMetaphoneFilter(TokenStream input, int maxCodeLength, bool inject)
             : base(input)
         {
-            this.encoder.MaxCodeLen = maxCodeLength;
+            this.encoder.MaxCodeLen = maxCodeLength; // LUCENENET: MaxCodeLen ensures the value is non-negative
             this.inject = inject;
             this.termAtt = AddAttribute<ICharTermAttribute>();
             this.posAtt = AddAttribute<IPositionIncrementAttribute>();

src/Lucene.Net.Analysis.Phonetic/Language/DoubleMetaphone.cs

@@ -242,7 +242,13 @@ public virtual bool IsDoubleMetaphoneEqual(string value1, string value2, bool al
         public virtual int MaxCodeLen
         {
             get => this.maxCodeLen;
-            set => this.maxCodeLen = value;
+            set
+            {
+                // LUCENENET: Added guard clause
+                if (value < 0)
+                    throw new ArgumentOutOfRangeException(nameof(value), "maxCodeLen must be a non-negative integer");
+                this.maxCodeLen = value;
+            }
         }
 
         //-- BEGIN HANDLERS --//