diff --git a/LinqStudy.Test/LinqToObject/CreateTest.cs b/LinqStudy.Test/LinqToObject/CreateTest.cs
index 6a9bafb..cdcc4d1 100644
--- a/LinqStudy.Test/LinqToObject/CreateTest.cs
+++ b/LinqStudy.Test/LinqToObject/CreateTest.cs
@@ -116,5 +116,32 @@ namespace LinqStudy.Test.LinqToObject
                 Assert.Same(persons[0], p);
             });
         }
+
+        /// <summary>
+        ///  SequenceEqual: 比较源和目标序列，返回一个bool值，指示所含元素是否相同。
+        /// </summary>
+        [Fact]
+        public void SequenceEqual_Test()
+        {
+            Person p=new Person(){Id=1,Name="王小明",Age=20};
+
+            var s1=Enumerable.Repeat(p,100);
+
+            var s2=Enumerable.Repeat(p,100);
+
+            Assert.True(s1.SequenceEqual(s2));
+        }
+
+        [Fact]
+        public void SequenceEqual_No_Test()
+        {
+            Person p=new Person(){Id=1,Name="王小明",Age=20};
+
+            var s1=Enumerable.Repeat(p,100);
+
+            var s2=Enumerable.Repeat(p,200);
+
+            Assert.False(s1.SequenceEqual(s2));
+        }
     }
 }