Stats: stat sheets, formulas, archetypes, traits, stat pools, actions, conditions and sheet panel

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/StatStateDataTests.cs

@@ -0,0 +1,40 @@
+namespace Cthangover.Mods.Stats.Tests
+{
+    using System.Text.Json;
+    using Cthangover.Core.Mods.Testing;
+
+    /// <summary>The saved stats survive a JSON round trip in every field.</summary>
+    public class StatStateDataTests
+    {
+        [ModTest("state/json_round_trip")]
+        static void JsonRoundTrip(ModTestContext ctx)
+        {
+            var original = new StatStateData();
+            var hero = new CharacterStatState { Archetype = "warrior", Level = 3, Exp = 61 };
+            hero.Bonus["str"] = 2;
+            hero.Bonus["cha"] = -1.5;
+            hero.Pools["mp"] = 4;
+            original.Characters["rpg_hero"] = hero;
+
+            var restored = JsonSerializer.Deserialize<StatStateData>(JsonSerializer.Serialize(original));
+
+            var back = restored.Characters["rpg_hero"];
+            ModAssert.Equal("warrior", back.Archetype, "archetype");
+            ModAssert.Equal(3, back.Level, "level");
+            ModAssert.Equal(61, back.Exp, "exp");
+            ModAssert.CloseTo(2, back.Bonus["str"], what: "bonus str");
+            ModAssert.CloseTo(-1.5, back.Bonus["cha"], what: "negative bonus");
+            ModAssert.CloseTo(4, back.Pools["mp"], what: "pool");
+        }
+
+        [ModTest("state/of_creates_find_ignores_case")]
+        static void OfCreatesFindIgnoresCase(ModTestContext ctx)
+        {
+            var state = new StatState();
+            ModAssert.Null(state.Find("Hero"), "nothing yet");
+            var created = state.Of("Hero");
+            ModAssert.True(ReferenceEquals(created, state.Of("hero")), "the same entry in any case");
+            ModAssert.True(ReferenceEquals(created, state.Find("HERO")), "find ignores case");
+        }
+    }
+}