From eb2e862e80e549c8cf16ddfed776c101c2413bac Mon Sep 17 00:00:00 2001
From: mob-sakai <12690315+mob-sakai@users.noreply.github.com>
Date: Wed, 24 Dec 2025 20:10:01 +0900
Subject: [PATCH] fix: avoid endless loop

close #392
---
 Assets/Tests/Editor/NewTestScript.cs                | 13 +++++++++----
 Packages/src/Runtime/UIParticle.cs                  |  1 +
 .../Runtime/Utilities/ParticleSystemExtensions.cs   |  6 +-----
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/Assets/Tests/Editor/NewTestScript.cs b/Assets/Tests/Editor/NewTestScript.cs
index 9de2f92..0556565 100644
--- a/Assets/Tests/Editor/NewTestScript.cs
+++ b/Assets/Tests/Editor/NewTestScript.cs
@@ -1,16 +1,21 @@
 using System.Collections;
+using Coffee.UIParticleInternal;
 using NUnit.Framework;
+using UnityEngine;
 using UnityEngine.TestTools;
 
 namespace Coffee.UIParticle.Editor.Tests
 {
     public class NewTestScript
     {
-        // A Test behaves as an ordinary method
-        [Test]
-        public void NewTestScriptSimplePasses()
+        [TestCase(-1)]
+        [TestCase(0)]
+        [TestCase(2048)]
+        [TestCase(3000)]
+        public void GetParticleArray(int requiredSize)
         {
-            // Use the Assert class to test conditions
+            var array = ParticleSystemExtensions.GetParticleArray(requiredSize);
+            Debug.Log($"requiredSize: {requiredSize}, array.Length: {array.Length}");
         }
 
         // A UnityTest behaves like a coroutine in Play Mode. In Edit Mode you can use
diff --git a/Packages/src/Runtime/UIParticle.cs b/Packages/src/Runtime/UIParticle.cs
index b2c079b..5c0e4f7 100644
--- a/Packages/src/Runtime/UIParticle.cs
+++ b/Packages/src/Runtime/UIParticle.cs
@@ -9,6 +9,7 @@ using UnityEngine.UI;
 using Random = UnityEngine.Random;
 
 [assembly: InternalsVisibleTo("Coffee.UIParticle.Editor")]
+[assembly: InternalsVisibleTo("Coffee.UIParticle.Editor.Tests")]
 [assembly: InternalsVisibleTo("Coffee.UIParticle.PerformanceDemo")]
 [assembly: InternalsVisibleTo("Coffee.UIParticle.Demo")]
 
diff --git a/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs b/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs
index 4bd5c69..7fec948 100644
--- a/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs
+++ b/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs
@@ -13,11 +13,7 @@ namespace Coffee.UIParticleInternal
         {
             if (s_TmpParticles.Length < size)
             {
-                while (s_TmpParticles.Length < size)
-                {
-                    size = Mathf.NextPowerOfTwo(size);
-                }
-
+                size = Mathf.NextPowerOfTwo(size);
                 s_TmpParticles = new ParticleSystem.Particle[size];
             }