Adds unit test for gen 7 damage library

PkmnLib.Dynamic/Models/ExecutingMove.cs

@@ -4,44 +4,71 @@ using PkmnLib.Static.Moves;
 
 namespace PkmnLib.Dynamic.Models;
 
-/// <summary>
-/// A hit data is the data for a single hit, on a single target.
-/// </summary>
-public record HitData
+public interface IHitData
 {
     /// <summary>
     /// Whether the hit is critical.
     /// </summary>
-    public bool IsCritical { get; internal set; }
+    bool IsCritical { get; }
 
     /// <summary>
     /// The base power of the hit.
     /// </summary>
-    public byte BasePower { get; internal set; }
+    byte BasePower { get; }
 
     /// <summary>
     /// The effectiveness of the hit.
     /// </summary>
-    public float Effectiveness { get; internal set; }
+    float Effectiveness { get; }
 
     /// <summary>
     /// The damage done by the hit.
     /// </summary>
-    public uint Damage { get; internal set; }
+    uint Damage { get; }
 
     /// <summary>
     /// The type of the hit.
     /// </summary>
-    public TypeIdentifier Type { get; internal set; }
+    TypeIdentifier Type { get; }
 
     /// <summary>
     /// Whether the hit has failed.
     /// </summary>
-    public bool HasFailed { get; private set; }
+    bool HasFailed { get; }
 
     /// <summary>
     /// Fails the hit.
     /// </summary>
+    void Fail();
+
+    bool Equals(HitData? other);
+    bool Equals(object? other);
+    int GetHashCode();
+    string ToString();
+}
+
+/// <inheritdoc />
+public record HitData : IHitData
+{
+    /// <inheritdoc />
+    public bool IsCritical { get; internal set; }
+
+    /// <inheritdoc />
+    public byte BasePower { get; internal set; }
+
+    /// <inheritdoc />
+    public float Effectiveness { get; internal set; }
+
+    /// <inheritdoc />
+    public uint Damage { get; internal set; }
+
+    /// <inheritdoc />
+    public TypeIdentifier Type { get; internal set; }
+
+    /// <inheritdoc />
+    public bool HasFailed { get; private set; }
+
+    /// <inheritdoc />
     public void Fail() => HasFailed = true;
 }