public void SatisfyImportsOnce_Unsuccessful_ShouldNotBlockChanges()
{
var exportProvider = ExportProviderFactory.CreateRecomposable();
var engine = new ImportEngine(exportProvider);
var import = ImportDefinitionFactory.Create("Value");
var importer = PartFactory.CreateImporter(import);
Assert.Throws <CompositionException>(() =>
engine.SatisfyImportsOnce(importer));
exportProvider.AddExport("Value", 22);
exportProvider.AddExport("Value", 23);
exportProvider.RemoveExport("Value");
GC.KeepAlive(importer);
}
public void SatisifyImportsOnce_Recomposable_ValueShouldNotChange_NoRecompositionRequested_ViaNonArgumentSignature()
{
var exportProvider = ExportProviderFactory.CreateRecomposable();
var engine = new ImportEngine(exportProvider);
exportProvider.AddExport("Value", 21);
var import = ImportDefinitionFactory.Create("Value", true);
var importer = PartFactory.CreateImporter(import);
engine.SatisfyImportsOnce(importer);
Assert.Equal(21, importer.GetImport(import));
exportProvider.ReplaceExportValue("Value", 42);
Assert.Equal(21, importer.GetImport(import));
GC.KeepAlive(importer);
}