值元组学习

TupleStudyTest/ValueTupleStudyTest.cs

@@ -22,19 +22,83 @@ namespace TupleStudyTest
             tupleStudy = new TupleStudy.ValueTupleStudy();
         }
 
+        /// <summary>
+        /// 使用构造函数创建值元组
+        /// </summary>
         [Fact]
-        public void ValueTuple_Create_Constructor()
+        public void Create_ValueTuple_Constructor_Test()
         {
-            var emptyTuple = new ValueTuple();
-            Assert.IsType<ValueTuple>(emptyTuple);
+            //创建包含零个元组的值元组
+            var zeroTuple = new ValueTuple();
+            Assert.IsType<ValueTuple>(zeroTuple);
 
-        }
+            //1个元组的值元组
+            var oneTuple = new ValueTuple<int>(1);
+            Assert.Equal(1, oneTuple.Item1);
+            Assert.Equal("first", new ValueTuple<string>("first").Item1);
 
-        [Fact]
-        public void Test()
-        {
-            ValueTuple aa = new ValueTuple();
-            
+            //2个元组的值元组
+            var twoTuple = new ValueTuple<int,int>(1,2);
+            Assert.Equal(1, twoTuple.Item1);
+            Assert.Equal(2, twoTuple.Item2);
+
+            //3个元组的值元组
+            var threeTuple = new ValueTuple<int,int,int>(1,2,3);
+            Assert.Equal(1, threeTuple.Item1);
+            Assert.Equal(2, threeTuple.Item2);
+            Assert.Equal(3, threeTuple.Item3);
+
+
+            //4个元组的值元组
+            var fourTuple = new ValueTuple<int,int,int,int>(1,2,3,4);
+            Assert.Equal(1, fourTuple.Item1);
+            Assert.Equal(2, fourTuple.Item2);
+            Assert.Equal(3, fourTuple.Item3);
+            Assert.Equal(4, fourTuple.Item4);
+
+            //5个元组的值元组
+            var fiveTuple = new ValueTuple<int,int,int,int,int>(1,2,3,4,5);
+            Assert.Equal(1, fiveTuple.Item1);
+            Assert.Equal(2, fiveTuple.Item2);
+            Assert.Equal(3, fiveTuple.Item3);
+            Assert.Equal(4, fiveTuple.Item4);
+            Assert.Equal(5, fiveTuple.Item5);
+
+            //6个元组的值元组
+            var sixTuple = new ValueTuple<int, int, int, int, int, int>(1, 2, 3, 4, 5, 6);
+            Assert.Equal(1, sixTuple.Item1);
+            Assert.Equal(2, sixTuple.Item2);
+            Assert.Equal(3, sixTuple.Item3);
+            Assert.Equal(4, sixTuple.Item4);
+            Assert.Equal(5, sixTuple.Item5);
+            Assert.Equal(6, sixTuple.Item6);
+
+            //7个元组的值元组
+            var sevenTuple = new ValueTuple<int, int, int, int, int, int, int>(1, 2, 3, 4, 5, 6, 7);
+            Assert.Equal(1, sevenTuple.Item1);
+            Assert.Equal(2, sevenTuple.Item2);
+            Assert.Equal(3, sevenTuple.Item3);
+            Assert.Equal(4, sevenTuple.Item4);
+            Assert.Equal(5, sevenTuple.Item5);
+            Assert.Equal(6, sevenTuple.Item6);
+            Assert.Equal(7, sevenTuple.Item7);
+
+            //8个及以上元组的值元组:元组嵌套
+            var overSevenTuple = new ValueTuple<int, int, int, int, int, int, int, ValueTuple<int, int, int>>(1, 2, 3, 4, 5, 6, 7, new ValueTuple<int, int, int>(8, 9, 10));
+            Assert.Equal(1, overSevenTuple.Item1);
+            Assert.Equal(2, overSevenTuple.Item2);
+            Assert.Equal(3, overSevenTuple.Item3);
+            Assert.Equal(4, overSevenTuple.Item4);
+            Assert.Equal(5, overSevenTuple.Item5);
+            Assert.Equal(6, overSevenTuple.Item6);
+            Assert.Equal(7, overSevenTuple.Item7);
+
+            //元组嵌套
+            Assert.Equal(8, overSevenTuple.Item8);
+            Assert.Equal(9, overSevenTuple.Item9);
+            Assert.Equal(10, overSevenTuple.Item10);
+
+            //16个以上，要审视程序设计,是否确实需要使用ValueTuple，最好改成设计成类
         }
     }
 }