public void CheckIteratorCompositionOfCompositions()
{
IExecute<int> identity = new SingleFunction<int>(x => x);
IExecute<int> linearfunction = new SingleFunction<int>(x => x + 2);
IExecute<int> quadraticfunction = new SingleFunction<int>(x => 2 * x * x);
var comp1 = new Composition<int>(linearfunction, quadraticfunction);
var comp2 = new Composition<int>(quadraticfunction, linearfunction);
var compOfComps = new Composition<int>(comp1, comp2);
var functionList = new[] { identity, linearfunction, quadraticfunction, compOfComps };
var comp = new Composition<int>(functionList);
var tab0 = new[] { 0, 2, 0, 2, 0, 0, 2 };
var tab1 = new[] { 1, 3, 2, 3, 2, 2, 3 };
var tab2 = new[] { 2, 4, 8, 4, 8, 8, 4 };
var i = 0;
Assert.AreEqual(7, comp.Count());
foreach (var f in comp)
{
Assert.AreEqual(tab0[i], f.Execute(0));
Assert.AreEqual(tab1[i], f.Execute(1));
Assert.AreEqual(tab2[i], f.Execute(2));
i++;
}
}
public void IndexerTest()
{
var c1 = new Composition();
c1[1] = 0.9;
c1[11] = 0.1;
var c2 = new Composition();
c2[2] = 1.0;
Assert.AreEqual(2, c1.Count());
Assert.AreEqual(1, c2.Count());
Assert.AreEqual(0.1, c1[11]);
}
