public void TestExplicitExpression()
{
Expression <Func <IQueryable <int>, IQueryable <int> > > ex = ints => ints.OrderBy(i => i).Where(i => i > 10).Select(i => i);
var e2 = new Replacer().Convert(ex);
var func = e2.Compile();
var x = func.Invoke(new[] { 1, 5, 10, 15, 25, 20 });
Assert.That(x, Is.EqualTo(new[] { 15, 20, 25 }));
}
public void TestImplicitExpression()
{
var q = new[] { 1, 2, 3 }.AsQueryable();
var ex = q.OrderBy(i => i).Where(i => i > 2).Select(i => i).Expression;
var newParam = Expression.Constant(new[] { 6, 4, 5, });
var newBody = new Replacer().Convert(q.Expression, newParam, ex);
var result = Expression.Lambda(newBody).Compile().DynamicInvoke();
Assert.That(result, Is.EqualTo(new[] { 4, 5, 6 }));
}