public void Test_MutableSpan2D_Compacting(int rowId)
{
var unused = new byte[1024];
var array = new ulong[, ]
{
{ 1, 2, 3 },
{ 4, 5, 6 }
};
Span2D <ulong> span2D = array.AsSpan2D();
Span <ulong> row = SpanExtensions.GetRow(span2D, rowId);
for (var i = 0; i < row.Length; i++)
{
Assert.AreEqual(array[rowId, i], row[i]);
}
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, true, true);
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, true, true);
for (var i = 0; i < row.Length; i++)
{
Assert.AreEqual(array[rowId, i], row[i]);
}
row[2] = 30;
Assert.AreEqual(30, array[rowId, 2]);
}
public void Test_Span2D_Stack()
{
Span <long> span1 = stackalloc long[] { 1, 2, 3, 4, 5, 6 };
Span2D <long> span2D = span1.ToSpan2D(2, 3);
Span <long> span2 = SpanExtensions.GetRow(span2D, 0);
Span <long> span3 = SpanExtensions.GetRow(span2D, 1);
Assert.IsTrue(span1.Slice(0, 3) == span2);
Assert.IsTrue(span1.Slice(3, 3) == span3);
span2[1] = 20;
span3[1] = 50;
Assert.AreEqual(20, span1[1]);
Assert.AreEqual(50, span1[4]);
Assert.IsTrue(span1.Slice(0, 3) == span2);
Assert.IsTrue(span1.Slice(3, 3) == span3);
}