public void TestSimplify()
{
Expression <Func <T, T> > lambda = t => new T
{
A = new { x = Err <int>(1), y = new { z = Err <T>(2), val = 2 * t.A }.val + 1 }.y,
C = new T {
A = new T {
B = "abcd", C = Err <bool>(3)
}.B.Length, D = new T {
A = Err <int>(4)
}
}.A > 0,
D = new T
{
A = Convert.ToInt32(new T {
A = Err <int>(5), C = true
}.C),
B = new { m = Err <string>(6), t = new T {
A = new { k = Err <bool>(7), j = 2 }.j
} }.t.A.ToString(),
},
};
var simplified = (Expression <Func <T, T> >)ClientSideProjectionBuilder.CreateProjection(new[] { lambda });
var output = simplified.Compile()(new T {
A = 20
});
Assert.AreEqual(41, output.A);
Assert.AreEqual(true, output.C);
Assert.AreEqual(1, output.D.A);
Assert.AreEqual("2", output.D.B);
}
public void TestCompose()
{
var lambdas = new Expression <Func <T, T> >[]
{
a => new T {
A = a.A / 2
},
a => new T {
A = a.A + 7
},
a => new T {
A = a.A * a.A
},
};
var result = (Expression <Func <T, T> >)ClientSideProjectionBuilder.CreateProjection(lambdas);
var output = result.Compile()(new T {
A = 6
});
output.A.ShouldEqual(100);
}