public void testIntegerGroup()
{
List <Integer> l = new List <Integer>(new Integer[] { 7, 12, 16 });
List <Pair <Integer, Integer> > expected = new List <Pair <Integer, Integer> >(
new Pair <Integer, Integer>[] {
new Pair <Integer, Integer>(7, 7),
new Pair <Integer, Integer>(12, 12),
new Pair <Integer, Integer>(16, 16)
});
GroupBy <Integer, Integer> grouper = GroupBy <Integer, Integer> .From(l, (el) => el);
int i = 0;
int pairCount = 0;
foreach (Pair <Integer, Integer> p in grouper)
{
Assert.IsTrue(expected[i] == p);
pairCount++;
i++;
}
Assert.AreEqual(3, pairCount);
pairCount = 0;
l = new List <Integer>(new Integer[] { 2, 4, 4, 5 });
List <Pair <Integer, Integer> > expected2 = new List <Pair <Integer, Integer> >(
new Pair <Integer, Integer>[] {
new Pair <Integer, Integer>(2, 6),
new Pair <Integer, Integer>(4, 12),
new Pair <Integer, Integer>(4, 12),
new Pair <Integer, Integer>(5, 15)
});
grouper = GroupBy <Integer, Integer> .From(l, (n) => n * 3);
i = 0;
foreach (Pair <Integer, Integer> p in grouper)
{
Assert.IsTrue(expected2[i++] == p);
pairCount++;
}
Assert.AreEqual(4, pairCount);
}
public void testObjectGroup()
{
List <Column> list = new List <Column>();
Column col0 = new Column(9, 0, 0.0, 0);
Column col1 = new Column(9, 1, 0.0, 0);
list.Add(col0);
list.Add(col1);
// Illustrates the Cell's actual index = colIndex * cellsPerColumn + indexOfCellWithinCol
Assert.AreEqual(7, col0.Cells[7].Index);
Assert.AreEqual(12, col1.Cells[3].Index);
Assert.AreEqual(16, col1.Cells[7].Index);
DistalDendrite dd0 = new DistalDendrite(col0.Cells[7], 0, 0, 0, 0, 0);
DistalDendrite dd1 = new DistalDendrite(col1.Cells[3] /* Col 1's Cells start at 9 */, 1, 0, 1, 0, 0);
DistalDendrite dd2 = new DistalDendrite(col1.Cells[7] /* Col 1's Cells start at 9 */, 2, 0, 2, 0, 0);
List <DistalDendrite> l = new List <DistalDendrite>(
new DistalDendrite[] { dd0, dd1, dd2 });
List <Pair <DistalDendrite, Column> > expected = new List <Pair <DistalDendrite, Column> >(
new Pair <DistalDendrite, Column>[] {
new Pair <DistalDendrite, Column>(dd0, col0),
new Pair <DistalDendrite, Column>(dd1, col1),
new Pair <DistalDendrite, Column>(dd2, col1)
});
GroupBy <DistalDendrite, Column> grouper = GroupBy <DistalDendrite, Column> .From(l, c =>
{
var parentColIndx = c.GetParentCell().getParentColumnIndex();
return(list.FirstOrDefault(col => col.Index == parentColIndx));
});
int i = 0;
foreach (Pair <DistalDendrite, Column> p in grouper)
{
Assert.IsTrue(expected[i++] == p);
}
}