test(DataTableDynamicContext): improve code coverage (#7915)

* test: 增加自增长主键单元测试

* test: 增加单元测试

Author: ArgoZhang

test/UnitTest/Dynamic/DataTableDynamicContextTest.cs

@@ -138,6 +138,28 @@ public async Task OnChanged_Ok()
         Assert.True(changed);
     }
 
+    [Fact]
+    public async Task AddAsync_AutoIncrementColumn_Ok()
+    {
+        var table = new DataTable();
+        table.Columns.Add(new DataColumn("Id", typeof(int))
+        {
+            AutoIncrement = true,
+            AutoIncrementSeed = 1,
+            AutoIncrementStep = 1
+        });
+        table.Columns.Add("Name", typeof(string));
+        table.Rows.Add(null, "test-1");
+
+        var context = new DataTableDynamicContext(table);
+
+        await context.AddAsync([]);
+
+        Assert.Equal(2, table.Rows.Count);
+        Assert.Equal(2, table.Rows[0].Field<int>("Id"));
+        Assert.Equal(1, table.Rows[1].Field<int>("Id"));
+    }
+
     [Fact]
     public async Task DeleteAsync_Ok()
     {

test/UnitTest/Extensions/DataRowExtensionsTest.cs

@@ -0,0 +1,43 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License
+// See the LICENSE file in the project root for more information.
+// Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
+
+using System.Data;
+using System.Reflection;
+
+namespace UnitTest.Extensions;
+
+public class DataRowExtensionsTest
+{
+    [Fact]
+    public void IsDeletedOrDetached_Ok()
+    {
+        var type = Type.GetType("BootstrapBlazor.Components.DataRowExtensions, BootstrapBlazor");
+        Assert.NotNull(type);
+
+        var method = type.GetMethod("IsDeletedOrDetached", BindingFlags.Static | BindingFlags.Public);
+        Assert.NotNull(method);
+
+        var table = new DataTable();
+        table.Columns.Add("Id", typeof(int));
+
+        var row = table.Rows.Add(1);
+        Assert.False(IsDeletedOrDetachedInvoke(row));
+        table.AcceptChanges();
+
+        row.Delete();
+        Assert.True(IsDeletedOrDetachedInvoke(row));
+
+        var detachedRow = table.NewRow();
+        Assert.True(IsDeletedOrDetachedInvoke(detachedRow));
+
+        table.Rows.Add(detachedRow);
+        Assert.False(IsDeletedOrDetachedInvoke(detachedRow));
+
+        bool IsDeletedOrDetachedInvoke(DataRow row)
+        {
+            return (bool)method.Invoke(null, new object[] { row })!;
+        }
+    }
+}