public void NoPIATypeSubstitutionForClassThatImplementNoPiaInterface()
{
//Check type substitution when a class implement a PIA interface
var localConsumer = CreateEmptyCompilation(
assemblyName: "Dummy",
source: CSharpTestSource.None,
references: new List <MetadataReference>()
{
TestReferences.SymbolsTests.NoPia.GeneralPia,
TestReferences.SymbolsTests.NoPia.ExternalAsm1
}
);
var localConsumerRefsAsm = localConsumer.Assembly.GetNoPiaResolutionAssemblies();
var canonicalType = localConsumerRefsAsm
.First(arg => arg.Name == "GeneralPia")
.GlobalNamespace.GetTypeMembers("ISubFuncProp")
.Single();
NamedTypeSymbol classRefLocalType = localConsumerRefsAsm
.First(arg => arg.Name == "ExternalAsm1")
.GlobalNamespace.GetTypeMembers("SubFuncProp")
.Single();
MethodSymbol methodSymbol = classRefLocalType
.GetMembers("Foo")
.OfType <MethodSymbol>()
.Single();
var interfaceType = classRefLocalType.GetDeclaredInterfaces(null).First();
Assert.Same(canonicalType, interfaceType);
Assert.IsAssignableFrom <PENamedTypeSymbol>(interfaceType);
}
internal override ImmutableArray <NamedTypeSymbol> GetDeclaredInterfaces(ConsList <Symbol> basesBeingResolved)
{
if (_lazyDeclaredInterfaces.IsDefault)
{
var underlyingBaseInterfaces = _underlyingType.GetDeclaredInterfaces(basesBeingResolved);
var result = this.RetargetingTranslator.Retarget(underlyingBaseInterfaces);
ImmutableInterlocked.InterlockedCompareExchange(ref _lazyDeclaredInterfaces, result, default(ImmutableArray <NamedTypeSymbol>));
}
return(_lazyDeclaredInterfaces);
}
