public void Dispose()
{
var parts = new TypeCatalog(typeof(FooImpl), typeof(FooImpl2), typeof(FooImpl2)).Parts;
var exports = parts.Select(p => Tuple.Create(p, p.ExportDefinitions.First()));
TestCatalog catalog = new TestCatalog(
() => parts,
() => exports);
var import = parts.SelectMany(p => p.ImportDefinitions).First();
CompositionScopeDefinition scope = new CompositionScopeDefinition(catalog, null);
scope.Dispose();
var ex = ExceptionAssert.Throws <ObjectDisposedException>(RetryMode.DoNotRetry, () =>
{
var ps = scope.Parts;
});
ex = ExceptionAssert.Throws <ObjectDisposedException>(RetryMode.DoNotRetry, () =>
{
var es = scope.GetExports(import);
});
scope.Dispose();
ex = ExceptionAssert.Throws <ObjectDisposedException>(RetryMode.DoNotRetry, () =>
{
var ps = scope.Parts;
});
ex = ExceptionAssert.Throws <ObjectDisposedException>(RetryMode.DoNotRetry, () =>
{
var es = scope.GetExports(import);
});
}
public void Notifications()
{
var parts = new TypeCatalog(typeof(FooImpl), typeof(FooImpl2), typeof(FooImpl2)).Parts;
var exports = parts.Select(p => Tuple.Create(p, p.ExportDefinitions.First()));
TestCatalog catalog = new TestCatalog(
() => parts,
() => exports);
CompositionScopeDefinition scope = new CompositionScopeDefinition(catalog, null);
ComposablePartCatalogChangeEventArgs args = new ComposablePartCatalogChangeEventArgs(Enumerable.Empty <ComposablePartDefinition>(), Enumerable.Empty <ComposablePartDefinition>(), null);
bool changedFired = false;
scope.Changed += new EventHandler <ComposablePartCatalogChangeEventArgs>((o, e) =>
{
Assert.AreSame(args, e);
Assert.AreSame(scope, o);
changedFired = true;
});
bool changingFired = false;
scope.Changing += new EventHandler <ComposablePartCatalogChangeEventArgs>((o, e) =>
{
Assert.AreSame(args, e);
Assert.AreSame(scope, o);
changingFired = true;
});
catalog.OnChanged(args);
Assert.IsTrue(changedFired);
catalog.OnChanging(args);
Assert.IsTrue(changingFired);
changedFired = false;
changingFired = false;
scope.Dispose();
catalog.OnChanged(args);
catalog.OnChanging(args);
Assert.IsFalse(changedFired);
Assert.IsFalse(changingFired);
}
