test: add reflection test

Assets/Tests/Editor/ReflectionTests.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Reflection;
+using NUnit.Framework;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee
+{
+    public class ReflectionTests
+    {
+        const BindingFlags flags = BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public;
+
+        [Test]
+        public void DoIntRangeProperty()
+        {
+            var method = typeof(MaterialEditor)
+                    .GetMethod("DoIntRangeProperty", flags)
+                    .CreateDelegate(typeof(Func<Rect, MaterialProperty, GUIContent, int>), null)
+                as Func<Rect, MaterialProperty, GUIContent, int>;
+
+            Assert.IsNotNull(method);
+        }
+
+        [Test]
+        public void DoPowerRangeProperty()
+        {
+            var method = typeof(MaterialEditor)
+                    .GetMethod("DoPowerRangeProperty", flags)
+                    .CreateDelegate(typeof(Func<Rect, MaterialProperty, GUIContent, float, float>), null)
+                as Func<Rect, MaterialProperty, GUIContent, float, float>;
+            Assert.IsNotNull(method);
+        }
+    }
+}