add constant for an empty hand

Bonifatius94 · Nov 16, 2023 · 8cf6bac · 8cf6bac
1 parent e37f9f1
commit 8cf6bac
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diff --git a/Schafkopf.Lib.Tests/HandTest.cs b/Schafkopf.Lib.Tests/HandTest.cs
@@ -2,6 +2,13 @@ namespace Schafkopf.Lib.Test;
 
 public class HandPropertiesTest
 {
+    [Fact]
+    public void Test_EmptyHandIsEmpty()
+    {
+        var hand = Hand.EMPTY;
+        hand.Should().HaveCount(0);
+    }
+
     [Fact]
     public void Test_CanRetrieveCardOfAnyTypeAndColor()
     {

diff --git a/Schafkopf.Lib/Hand.cs b/Schafkopf.Lib/Hand.cs
@@ -14,6 +14,8 @@ public unsafe struct Hand : IEnumerable<Card>
     private static readonly ulong[] EXISTING_SINGLE;
     private static readonly ulong[] TRUMPF_SINGLE;
 
+    public static readonly Hand EMPTY = new Hand(0);
+
     static Hand()
     {
         EXISTING_SINGLE = new ulong[8];