UI相关优化补充

Assets/Tests/PlayMode/ToastManagerTests.cs

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+using System.Collections;
+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.TestTools;
+using TMPro;
+using BaseGames.UI;
+
+namespace BaseGames.Tests.PlayMode
+{
+    /// <summary>
+    /// ToastManager 队列行为测试：
+    ///   · Enqueue 一条后 Toast 激活并最终隐藏
+    ///   · 连续 Enqueue 3 条按序串行播放
+    ///
+    /// 不依赖事件频道（直接调用 Enqueue），不依赖本地化（标题/正文为常量字符串）。
+    /// </summary>
+    public class ToastManagerTests
+    {
+        private GameObject       _host;
+        private ToastManager     _mgr;
+        private ToastNotification _toast;
+
+        [SetUp]
+        public void SetUp()
+        {
+            _host = new GameObject("ToastHost");
+
+            // Toast 预制：CanvasGroup + 子文本
+            var toastGO = new GameObject("Toast", typeof(CanvasGroup));
+            toastGO.transform.SetParent(_host.transform);
+            toastGO.SetActive(false);
+            _toast = toastGO.AddComponent<ToastNotification>();
+            // 反射注入 _displayDuration / _fadeDuration 减为短值，缩短测试时长
+            SetPrivate(_toast, "_displayDuration", 0.05f);
+            SetPrivate(_toast, "_fadeDuration",    0.02f);
+
+            _mgr = _host.AddComponent<ToastManager>();
+            SetPrivate(_mgr, "_toast", _toast);
+            _host.SetActive(false);
+            _host.SetActive(true);    // 触发 Awake/OnEnable
+        }
+
+        [TearDown]
+        public void TearDown() { Object.DestroyImmediate(_host); }
+
+        [UnityTest]
+        public IEnumerator Enqueue_ShowsThenHides()
+        {
+            _mgr.Enqueue("T", "B", null);
+            yield return null;
+            Assert.IsTrue(_toast.gameObject.activeSelf, "入队后 Toast 应当激活");
+
+            // 总时长 ~= 0.02+0.05+0.02 = 0.09s，再 + 队列等待 0.1s
+            yield return new WaitForSecondsRealtime(0.5f);
+            Assert.IsFalse(_toast.gameObject.activeSelf, "Toast 自动隐藏未生效");
+        }
+
+        [UnityTest]
+        public IEnumerator MultipleEnqueue_PlaysSerially()
+        {
+            _mgr.Enqueue("A", "1", null);
+            _mgr.Enqueue("B", "2", null);
+            yield return null;
+            Assert.IsTrue(_toast.gameObject.activeSelf, "第一条应当立即播放");
+            // 不严格验证内容（涉及私有字段），只验证活动状态推进。
+            yield return new WaitForSecondsRealtime(1.0f);
+            Assert.IsFalse(_toast.gameObject.activeSelf, "两条串行播放后应当全部结束");
+        }
+
+        // ── 反射工具 ──────────────────────────────────────────────────────
+        private static void SetPrivate(object target, string fieldName, object value)
+        {
+            var f = target.GetType().GetField(fieldName,
+                System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
+            f?.SetValue(target, value);
+        }
+    }
+}