public void Test_IRRC()
{
const int cols = 20;
const int rows = 15;
var me = new IncreasingRowsRandomColumns(rows, cols);
var m = new bool[rows, cols];
for (int r = 0; r < rows; r++)
{
for (int c = 0; c < cols; c++)
{
m[r, c] = false;
}
}
int row, col;
int k = 0;
while (me.GetNext(out row, out col))
{
Assert.IsFalse(m[row, col]);
Assert.AreEqual(k++ / cols, row);
m[row, col] = true;
}
Assert.AreEqual(cols * rows, k);
foreach (var b in m)
{
Assert.IsTrue(b);
}
}
public void Test_IRRC_ZeroMatrix()
{
const int cols = 0;
const int rows = 0;
var me = new IncreasingRowsRandomColumns(rows, cols);
int r, c;
Assert.IsFalse(me.GetNext(out r, out c));
}