public void ExtensionUsingException()
{
var disposable = new ExtensionDisposable();
var d = Expression.Parameter(typeof(ExtensionDisposable), "d");
var disposer = Expression.Lambda <Action <ExtensionDisposable> >(
ExpressionEx.Using(
d,
Expression.Block(
Expression.Throw(Expression.New(typeof(TestUsingException))),
Expression.Call(d, typeof(ExtensionDisposable).GetMethod("Touch")))),
d).Compile();
Assert.False(disposable.Touched);
Assert.False(disposable.Disposed);
Assert.Throws <TestUsingException>(() =>
{
disposer(disposable);
});
Assert.False(disposable.RefInDisposed);
Assert.False(disposable.Touched);
Assert.True(disposable.Disposed);
}
public static void Dispose(this ExtensionDisposable obj)
{
obj.UnderlyingDisposable.Dispose();
}
