public void TestIndirectOverriding()
{
var text = @"
class Base
{
public virtual int P { get; set; }
}
class Derived1 : Base
{
public override int P { get { return 1; } }
}
class Derived2 : Derived1
{
public override int P { set { } }
}
";
var compilation = CreateCompilation(text);
var global = compilation.GlobalNamespace;
var baseClass = global.GetMember <NamedTypeSymbol>("Base");
var baseProperty = baseClass.GetMember <PropertySymbol>("P");
var baseGetter = baseProperty.GetMethod;
var baseSetter = baseProperty.SetMethod;
var derived1Class = global.GetMember <NamedTypeSymbol>("Derived1");
var derived1Property = derived1Class.GetMember <PropertySymbol>("P");
var derived1Getter = derived1Property.GetMethod;
Assert.Null(derived1Property.SetMethod);
var derived2Class = global.GetMember <NamedTypeSymbol>("Derived2");
var derived2Property = derived2Class.GetMember <PropertySymbol>("P");
Assert.Null(derived2Property.GetMethod);
var derived2Setter = derived2Property.SetMethod;
OverriddenOrHiddenMembersResult derived1PropertyOverriddenOrHidden = derived1Property.OverriddenOrHiddenMembers;
Assert.Equal(0, derived1PropertyOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(baseProperty, derived1PropertyOverriddenOrHidden.OverriddenMembers.Single());
OverriddenOrHiddenMembersResult derived1GetterOverriddenOrHidden = derived1Getter.OverriddenOrHiddenMembers;
Assert.Equal(0, derived1GetterOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(baseGetter, derived1GetterOverriddenOrHidden.OverriddenMembers.Single());
OverriddenOrHiddenMembersResult derived2PropertyOverriddenOrHidden = derived2Property.OverriddenOrHiddenMembers;
Assert.Equal(0, derived2PropertyOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(derived1Property, derived2PropertyOverriddenOrHidden.OverriddenMembers.Single());
OverriddenOrHiddenMembersResult derived2SetterOverriddenOrHidden = derived2Setter.OverriddenOrHiddenMembers;
Assert.Equal(0, derived2SetterOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(baseSetter, derived2SetterOverriddenOrHidden.OverriddenMembers.Single());
}
public void TestBasicOverriding()
{
var text = @"
class Base
{
public virtual int P { get; set; }
}
class Derived : Base
{
public override int P { get; set; }
}
";
var compilation = CreateCompilationWithMscorlib(text);
var global = compilation.GlobalNamespace;
var baseClass = global.GetMember <NamedTypeSymbol>("Base");
var baseProperty = baseClass.GetMember <PropertySymbol>("P");
var baseGetter = baseProperty.GetMethod;
var baseSetter = baseProperty.SetMethod;
var derivedClass = global.GetMember <NamedTypeSymbol>("Derived");
var derivedProperty = derivedClass.GetMember <PropertySymbol>("P");
var derivedGetter = derivedProperty.GetMethod;
var derivedSetter = derivedProperty.SetMethod;
Assert.Same(OverriddenOrHiddenMembersResult.Empty, baseProperty.OverriddenOrHiddenMembers);
Assert.Null(baseProperty.OverriddenProperty);
Assert.Same(OverriddenOrHiddenMembersResult.Empty, baseGetter.OverriddenOrHiddenMembers);
Assert.Null(baseGetter.OverriddenMethod);
Assert.Same(OverriddenOrHiddenMembersResult.Empty, baseSetter.OverriddenOrHiddenMembers);
Assert.Null(baseSetter.OverriddenMethod);
OverriddenOrHiddenMembersResult derivedPropertyOverriddenOrHidden = derivedProperty.OverriddenOrHiddenMembers;
Assert.Equal(0, derivedPropertyOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(baseProperty, derivedPropertyOverriddenOrHidden.OverriddenMembers.Single());
Assert.Same(baseProperty, derivedPropertyOverriddenOrHidden.RuntimeOverriddenMembers.Single());
Assert.Same(baseProperty, derivedProperty.OverriddenProperty);
OverriddenOrHiddenMembersResult derivedGetterOverriddenOrHidden = derivedGetter.OverriddenOrHiddenMembers;
Assert.Equal(0, derivedGetterOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(baseGetter, derivedGetterOverriddenOrHidden.OverriddenMembers.Single());
Assert.Same(baseGetter, derivedGetterOverriddenOrHidden.RuntimeOverriddenMembers.Single());
Assert.Same(baseGetter, derivedGetter.OverriddenMethod);
OverriddenOrHiddenMembersResult derivedSetterOverriddenOrHidden = derivedSetter.OverriddenOrHiddenMembers;
Assert.Equal(0, derivedSetterOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(baseSetter, derivedSetterOverriddenOrHidden.OverriddenMembers.Single());
Assert.Same(baseSetter, derivedSetterOverriddenOrHidden.RuntimeOverriddenMembers.Single());
Assert.Same(baseSetter, derivedSetter.OverriddenMethod);
}
public void TestIndirectHiding()
{
var text1 = @"public class Base
{
public virtual int P { get; set; }
}
";
var text2 = @"public class Derived1 : Base
{
public new virtual int P { get { return 1; } }
}
";
var text3 = @"class Derived2 : Derived1
{
public override int P { set { } }
}
";
var comp1 = CreateCompilation(text1);
var comp1ref = new CSharpCompilationReference(comp1);
var refs = new System.Collections.Generic.List <MetadataReference>()
{
comp1ref
};
var comp2 = CreateCompilation(text2, references: refs, assemblyName: "Test2");
var comp2ref = new CSharpCompilationReference(comp2);
refs.Add(comp2ref);
var compilation = CreateCompilation(text3, refs, assemblyName: "Test3");
var global = compilation.GlobalNamespace;
var baseClass = global.GetMember <NamedTypeSymbol>("Base");
var baseProperty = baseClass.GetMember <PropertySymbol>("P");
var baseGetter = baseProperty.GetMethod;
var derived1Class = global.GetMember <NamedTypeSymbol>("Derived1");
var derived1Property = derived1Class.GetMember <PropertySymbol>("P");
var derived1Getter = derived1Property.GetMethod;
Assert.Null(derived1Property.SetMethod);
var derived2Class = global.GetMember <NamedTypeSymbol>("Derived2");
var derived2Property = derived2Class.GetMember <PropertySymbol>("P");
Assert.Null(derived2Property.GetMethod);
var derived2Setter = derived2Property.SetMethod;
OverriddenOrHiddenMembersResult derived1PropertyOverriddenOrHidden = derived1Property.OverriddenOrHiddenMembers;
Assert.Equal(0, derived1PropertyOverriddenOrHidden.OverriddenMembers.Length);
Assert.Same(baseProperty, derived1PropertyOverriddenOrHidden.HiddenMembers.Single());
OverriddenOrHiddenMembersResult derived1GetterOverriddenOrHidden = derived1Getter.OverriddenOrHiddenMembers;
Assert.Equal(0, derived1GetterOverriddenOrHidden.OverriddenMembers.Length);
Assert.Same(baseGetter, derived1GetterOverriddenOrHidden.HiddenMembers.Single());
OverriddenOrHiddenMembersResult derived2PropertyOverriddenOrHidden = derived2Property.OverriddenOrHiddenMembers;
Assert.Equal(0, derived2PropertyOverriddenOrHidden.HiddenMembers.Length);
Assert.Same(derived1Property, derived2PropertyOverriddenOrHidden.OverriddenMembers.Single());
OverriddenOrHiddenMembersResult derived2SetterOverriddenOrHidden = derived2Setter.OverriddenOrHiddenMembers;
Assert.Equal(0, derived2SetterOverriddenOrHidden.HiddenMembers.Length);
Assert.Equal(0, derived2SetterOverriddenOrHidden.OverriddenMembers.Length);
}
