private static BlockMap ToBlockMap(bool[] model)
{
var result = new BlockMap(model.Length);
var currentOffset = -1;
var currentLength = 0;
for (int i = 0; i < model.Length; ++i)
{
if (model[i])
{
if (currentOffset < 0)
{
currentOffset = i;
}
++currentLength;
}
else
{
if (currentOffset >= 0)
{
result.AssignBytes(currentOffset, currentLength);
currentOffset = -1;
currentLength = 0;
}
}
}
if (currentOffset >= 0)
{
result.AssignBytes(currentOffset, currentLength);
}
return(result);
}
public void ScatterStream_SetCapacity_WhereBlockMapWouldBeTruncated_Throws()
{
var size = 256;
var buffer = fixture.InitializeBuffer(size);
var assignedBlocks = new BlockMap(size);
assignedBlocks.AssignBytes(0, size / 2);
var scatterStream = fixture.CreateScatterStream(buffer, assignedBlocks);
var gatherStream = fixture.CreateGatherStream(buffer, assignedBlocks);
var changedSize = size / 2 - 1;
scatterStream.Capacity = changedSize;
}
public static BlockMap WithSuccessor(this BlockMap map, int offset, int count)
{
map.AssignBytes(offset + count + 1, count);
return(map);
}
public static BlockMap WithIntersectingPredecessor(this BlockMap map, int offset, int count)
{
map.AssignBytes(offset - count + 1, count);
return(map);
}
public static BlockMap WithImmediatePredecessor(this BlockMap map, int offset, int count)
{
map.AssignBytes(offset - count, count);
return(map);
}
public static BlockMap WithBlock(this BlockMap map, int offset, int count)
{
map.AssignBytes(offset, count);
return(map);
}
