public void Reduce(int size, Type type)
{
CallSiteBinder binder = Binder.GetMember(
CSharpBinderFlags.None, "Member", GetType(),
new[] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null) });
DynamicExpression exp = Expression.Dynamic(
binder, type, Enumerable.Range(0, size).Select(_ => Expression.Constant(0)));
Assert.True(exp.CanReduce);
InvocationExpression reduced = (InvocationExpression)exp.ReduceAndCheck();
Assert.Equal(exp.Arguments, reduced.Arguments.Skip(1));
}