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fix(module: table): exception is thrown when the DataIndex ends with the get_Item method. (#1485)
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@ -13,18 +13,31 @@ namespace AntDesign.Internal
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internal static MemberInfo GetReturnMemberInfo(LambdaExpression expression)
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{
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var accessorBody = expression.Body;
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if (accessorBody is ConditionalExpression conditionalExpression)
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while (true)
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{
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accessorBody = conditionalExpression.IfTrue;
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}
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if (accessorBody is UnaryExpression unaryExpression && unaryExpression.NodeType == ExpressionType.Convert)
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if (accessorBody is UnaryExpression unaryExpression)
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{
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accessorBody = unaryExpression.Operand;
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}
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else if (accessorBody is ConditionalExpression conditionalExpression)
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{
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accessorBody = conditionalExpression.IfTrue;
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}
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else if (accessorBody is MethodCallExpression methodCallExpression)
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{
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accessorBody = methodCallExpression.Object;
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}
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else if (accessorBody is BinaryExpression binaryExpression)
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{
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accessorBody = binaryExpression.Left;
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}
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else
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{
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break;
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}
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}
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if (!(accessorBody is MemberExpression memberExpression))
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if (accessorBody is not MemberExpression memberExpression)
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{
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throw new ArgumentException($"The type of the provided expression {accessorBody.GetType().Name} is not supported, it should be {nameof(MemberExpression)}.");
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}
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46
tests/AntDesign.Tests/table/ColumnExpressionHelperTest.cs
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46
tests/AntDesign.Tests/table/ColumnExpressionHelperTest.cs
Normal file
@ -0,0 +1,46 @@
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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Collections.Generic;
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using AntDesign.core.Helpers;
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using AntDesign.Internal;
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using Xunit;
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namespace AntDesign.Tests.Table
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{
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public class ColumnExpressionHelperTest
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{
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[Fact]
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public void EndsWithGetItem()
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{
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var t1 = new T1()
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{
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T2 = new()
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{
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Arr = new()
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{
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5,
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6,
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7
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}
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}
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};
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var exp = typeof(T1).BuildAccessPropertyLambdaExpression("T2.Arr[2]");
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var memberInfo = ColumnExpressionHelper.GetReturnMemberInfo(exp);
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Assert.Equal(nameof(T2.Arr), memberInfo.Name);
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}
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public class T1
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{
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public T2 T2 { get; set; }
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}
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public class T2
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{
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public List<int> Arr { get; set; }
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}
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}
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}
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