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test: ensure Compile skips open generic mapping rules (#925) #965

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test: ensure Compile skips open generic mapping rules (#925) #965

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27 changes: 27 additions & 0 deletions src/Mapster.Tests/WhenMappingWithOpenGenerics.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,23 @@ public void Setting_From_OpenGeneric_Has_No_SideEffect()
var cCopy = c.Adapt<C>(config);
}

/// <summary>
/// https://github.com/MapsterMapper/Mapster/issues/925
/// </summary>
[TestMethod]
public void Compile_With_Open_Generic_Mapping_Does_Not_Throw()
{
var config = new TypeAdapterConfig();
config.ForType(typeof(ClassA<>), typeof(ClassB<>));

Should.NotThrow(() => config.Compile());

var classA = new ClassA<int> { Variable = 15 };
var classB = classA.Adapt<ClassB<int>>(config);

classB.Variable.ShouldBe(15);
}

[TestMethod]
public void MapOpenGenericsUseInherits()
{
Expand Down Expand Up @@ -102,5 +119,15 @@ class A<T> { public string AProperty { get; set; } }
class B<T> { public string BProperty { get; set; } }

class C { public string BProperty { get; set; } }

class ClassA<T>
{
public T? Variable { get; set; }
}

class ClassB<T>
{
public T? Variable { get; set; }
}
}
}