public void TestMixedAccessorModifiers()
{
var assembly = MetadataTestHelpers.GetSymbolForReference(TestReferences.SymbolsTests.Events);
var globalNamespace = assembly.GlobalNamespace;
var type = globalNamespace.GetMember<NamedTypeSymbol>("AccessorModifierMismatch");
const VirtualnessModifiers @none = VirtualnessModifiers.None;
const VirtualnessModifiers @abstract = VirtualnessModifiers.Abstract;
const VirtualnessModifiers @virtual = VirtualnessModifiers.Virtual;
const VirtualnessModifiers @override = VirtualnessModifiers.Override;
const VirtualnessModifiers @sealed = VirtualnessModifiers.Sealed;
VirtualnessModifiers[] modList = new[]
{
@none,
@abstract,
@virtual,
@override,
@sealed,
};
int length = 1 + modList.Cast<int>().Max();
VirtualnessModifiers[,] expected = new VirtualnessModifiers[length, length];
expected[(int)@none, (int)@none] = @none;
expected[(int)@none, (int)@abstract] = @abstract;
expected[(int)@none, (int)@virtual] = @virtual;
expected[(int)@none, (int)@override] = @override;
expected[(int)@none, (int)@sealed] = @sealed;
expected[(int)@abstract, (int)@none] = @abstract;
expected[(int)@abstract, (int)@abstract] = @abstract;
expected[(int)@abstract, (int)@virtual] = @abstract;
expected[(int)@abstract, (int)@override] = @abstract | @override;
expected[(int)@abstract, (int)@sealed] = @abstract | @sealed;
expected[(int)@virtual, (int)@none] = @virtual;
expected[(int)@virtual, (int)@abstract] = @abstract;
expected[(int)@virtual, (int)@virtual] = @virtual;
expected[(int)@virtual, (int)@override] = @override;
expected[(int)@virtual, (int)@sealed] = @sealed;
expected[(int)@override, (int)@none] = @override;
expected[(int)@override, (int)@abstract] = @override | @abstract;
expected[(int)@override, (int)@virtual] = @override;
expected[(int)@override, (int)@override] = @override;
expected[(int)@override, (int)@sealed] = @sealed;
expected[(int)@sealed, (int)@none] = @sealed;
expected[(int)@sealed, (int)@abstract] = @abstract | @sealed;
expected[(int)@sealed, (int)@virtual] = @sealed;
expected[(int)@sealed, (int)@override] = @sealed;
expected[(int)@sealed, (int)@sealed] = @sealed;
// Table should be symmetrical.
for (int i = 0; i < length; i++)
{
for (int j = 0; j < length; j++)
{
Assert.Equal(expected[i, j], expected[j, i]);
}
}
foreach (var mod1 in modList)
{
foreach (var mod2 in modList)
{
var @event = type.GetMember<EventSymbol>(mod1.ToString() + mod2.ToString());
var addMethod = @event.AddMethod;
var removeMethod = @event.RemoveMethod;
Assert.Equal(mod1, GetVirtualnessModifiers(addMethod));
Assert.Equal(mod2, GetVirtualnessModifiers(removeMethod));
Assert.Equal(expected[(int)mod1, (int)mod2], GetVirtualnessModifiers(@event));
}
}
}
