public void GetExportsImportDefinitionForDelegateExport(IContainer container)
{
var exportProvider = GetMefV1Container(container);
var importDefinition = new MefV1.Primitives.ContractBasedImportDefinition(
MefV1.AttributedModelServices.GetTypeIdentity(typeof(SomeDelegate)),
MefV1.AttributedModelServices.GetTypeIdentity(typeof(SomeDelegate)),
new KeyValuePair <string, Type>[]
{
new KeyValuePair <string, Type>("A", typeof(string)),
},
MefV1.Primitives.ImportCardinality.ZeroOrMore,
false,
true,
MefV1.CreationPolicy.Any);
var results = exportProvider.GetExports(importDefinition).ToArray();
Assert.Equal(2, results.Length);
Assert.Equal(1, results.Count(r => r.Metadata["A"].Equals("instance")));
Assert.Equal(1, results.Count(r => r.Metadata["A"].Equals("static")));
foreach (var export in results)
{
Assert.IsAssignableFrom(typeof(MefV1.Primitives.ExportedDelegate), export.Value);
var exportedDelegate = (MefV1.Primitives.ExportedDelegate)export.Value;
SomeDelegate asSomeDelegate = (SomeDelegate)exportedDelegate.CreateDelegate(typeof(SomeDelegate));
Assert.Null(asSomeDelegate(null, null));
Delegate asDelegate = exportedDelegate.CreateDelegate(typeof(Delegate));
Assert.Null(asDelegate.DynamicInvoke(new object[2]));
}
}
public void GetExportsImportDefinitionForDelegateExportWithMismatchingSignature(IContainer container)
{
var exportProvider = GetMefV1Container(container);
var importDefinition = new MefV1.Primitives.ContractBasedImportDefinition(
MefV1.AttributedModelServices.GetTypeIdentity(typeof(SomeDelegate)),
MefV1.AttributedModelServices.GetTypeIdentity(typeof(SomeDelegate)),
new KeyValuePair <string, Type> [0],
MefV1.Primitives.ImportCardinality.ZeroOrMore,
false,
true,
MefV1.CreationPolicy.Any);
var results = exportProvider.GetExports(importDefinition).ToArray();
Assert.Equal(1, results.Length);
foreach (var export in results)
{
Assert.IsAssignableFrom(typeof(MefV1.Primitives.ExportedDelegate), export.Value);
var exportedDelegate = (MefV1.Primitives.ExportedDelegate)export.Value;
Delegate asDelegate = exportedDelegate.CreateDelegate(typeof(Delegate));
Assert.Null(asDelegate.DynamicInvoke(new object[1]));
}
}
public void GetExportsImportDefinitionForDelegateReturningProperty(IContainer container)
{
var exportProvider = GetMefV1Container(container);
SomeDelegate del = exportProvider.GetExportedValue <SomeDelegate>();
Assert.Null(del(null, null));
var importDefinition = new MefV1.Primitives.ContractBasedImportDefinition(
MefV1.AttributedModelServices.GetTypeIdentity(typeof(SomeDelegate)),
MefV1.AttributedModelServices.GetTypeIdentity(typeof(SomeDelegate)),
new KeyValuePair <string, Type> [0],
MefV1.Primitives.ImportCardinality.ZeroOrMore,
false,
true,
MefV1.CreationPolicy.Any);
var results = exportProvider.GetExports(importDefinition).ToArray();
Assert.Equal(1, results.Length);
Assert.IsAssignableFrom(typeof(SomeDelegate), results[0].Value);
}
public void GetExportsImportDefinitionForTypeExport(IContainer container)
{
var v3Container = (TestUtilities.V3ContainerWrapper)container;
var exportProvider = v3Container.ExportProvider.AsExportProvider();
var importDefinition = new MefV1.Primitives.ContractBasedImportDefinition(
MefV1.AttributedModelServices.GetTypeIdentity(typeof(Tree)),
MefV1.AttributedModelServices.GetTypeIdentity(typeof(Tree)),
new KeyValuePair <string, Type>[]
{
new KeyValuePair <string, Type>("A", typeof(string)),
},
MefV1.Primitives.ImportCardinality.ZeroOrMore,
false,
true,
MefV1.CreationPolicy.Any);
var results = exportProvider.GetExports(importDefinition).ToArray();
Assert.Equal(1, results.Length);
Assert.Equal("b", results[0].Metadata["A"]);
Assert.IsType <Tree>(results[0].Value);
}
