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Find overriding implementations for virtual methods

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This commit is contained in:
Koen
2022-12-12 00:15:54 +00:00
parent 2c2a2524de
commit fead7bb41a
10 changed files with 274 additions and 12 deletions
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tests/EntityFrameworkCore.Projectables.Tests/Extensions/TypeExtensionTests.cs
+62 -1
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@@ -1,9 +1,11 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection.Metadata.Ecma335;
using System.Text;
using System.Threading.Tasks;
using EntityFrameworkCore.Projectables.Extensions;
using Microsoft.EntityFrameworkCore.Metadata.Conventions;
using Xunit;
namespace EntityFrameworkCore.Projectables.Tests.Extensions
@@ -18,6 +20,18 @@ namespace EntityFrameworkCore.Projectables.Tests.Extensions
}
}
class BaseType
{
public virtual void VirtualMethod(int arg1) { }
public virtual void GenericVirtualMethod<TArg>(TArg arg1) { }
}
class DerivedType : BaseType
{
public override void VirtualMethod(int arg1) { }
public override void GenericVirtualMethod<TArg>(TArg arg1) { }
}
[Fact]
public void GetNestedTypePath_OuterType_Returns1Entry()
{
@@ -28,7 +42,6 @@ namespace EntityFrameworkCore.Projectables.Tests.Extensions
Assert.Single(result);
}
[Fact]
public void GetNestedTypePath_InnerType_Returns2Entries()
{
@@ -59,5 +72,53 @@ namespace EntityFrameworkCore.Projectables.Tests.Extensions
Assert.Equal(typeof(TypeExtensionTests), result.First());
Assert.Equal(typeof(InnerType.SubsequentlyInnerType), result.Last());
}
[Fact]
public void GetOverridingMethod_BaseTypeVirtualMethod_FindsSameMethod()
{
var type = typeof(BaseType);
var method = typeof(BaseType).GetMethod("VirtualMethod")!;
var result = type.GetOverridingMethod(method);
Assert.Equal(method, result);
}
[Fact]
public void GetOverridingMethod_DerivedTypeVirtualMethod_FindsOverridingMethod()
{
var baseType = typeof(BaseType);
var baseMethod = baseType.GetMethod("VirtualMethod")!;
var derivedType = typeof(DerivedType);
var derivedMethod = typeof(DerivedType).GetMethod("VirtualMethod")!;
var resolvedMethod = derivedType.GetOverridingMethod(baseMethod);
Assert.Equal(derivedMethod, resolvedMethod);
}
[Fact]
public void GetOverridingMethod_BaseTypeGenericVirtualMethod_FindsSameMethod()
{
var type = typeof(BaseType);
var method = typeof(BaseType).GetMethod("GenericVirtualMethod")!;
var result = type.GetOverridingMethod(method);
Assert.Equal(method, result);
}
[Fact]
public void GetOverridingMethod_DerivedTypeGenericVirtualMethod_FindsOverridingMethod()
{
var baseType = typeof(BaseType);
var baseMethod = baseType.GetMethod("GenericVirtualMethod")!;
var derivedType = typeof(DerivedType);
var derivedMethod = typeof(DerivedType).GetMethod("GenericVirtualMethod")!;
var resolvedMethod = derivedType.GetOverridingMethod(baseMethod);
Assert.Equal(derivedMethod, resolvedMethod);
}
}
}