public void SeekOutsideBuffer(int bufferSize)
{
using (var memoryStream = _randomIntStructGenerator.GetMemoryStream())
{
var reader = new Reloaded.Memory.Streams.BufferedStreamReader(memoryStream, bufferSize);
// Structs skipped each seek and amount of bytes seeked.
int sizeOfStruct = Struct.GetSize <RandomIntStruct>();
int structsSkip = (bufferSize * 2) / sizeOfStruct;
int bytesSeek = structsSkip * sizeOfStruct;
int currentStructIndex = 0;
// Seek to said index and compare, multiple times.
for (int x = 0; x < _randomIntStructGenerator.Structs.Length / structsSkip; x++)
{
// Read current
reader.Read(out RandomIntStruct value);
Assert.Equal(_randomIntStructGenerator.Structs[currentStructIndex], value);
// Skip structsSkip amount of structs. Remove sizeOfStruct from bytesSeek as reading once
// auto-advanced internal pointer by 1 struct.
currentStructIndex += structsSkip;
reader.Seek(bytesSeek - sizeOfStruct, SeekOrigin.Current);
}
}
}
public void SeekBeginAndEndOutsideBuffer(int bufferSize)
{
using (var memoryStream = _randomIntStructGenerator.GetMemoryStream())
{
var reader = new Reloaded.Memory.Streams.BufferedStreamReader(memoryStream, bufferSize);
// Structs skipped each seek and amount of bytes seeked.
int sizeOfStruct = Struct.GetSize <RandomIntStruct>();
int structsSkip = (bufferSize * 2) / sizeOfStruct;
int bytesSeek = structsSkip * sizeOfStruct;
// Beginning
reader.Seek(bytesSeek, SeekOrigin.Begin);
reader.Read(out RandomIntStruct beginValue);
Assert.Equal(_randomIntStructGenerator.Structs[structsSkip], beginValue);
// End
reader.Seek(bytesSeek, SeekOrigin.End);
reader.Read(out RandomIntStruct endValue);
Assert.Equal(_randomIntStructGenerator.Structs[_randomIntStructGenerator.Structs.Length - structsSkip], endValue);
}
}
public void SeekBackwards()
{
using (var memoryStream = _randomIntStructGenerator.GetMemoryStream())
{
var reader = new Reloaded.Memory.Streams.BufferedStreamReader(memoryStream, Struct.GetSize <RandomIntStruct>() * 4);
// Structs skipped each seek and amount of bytes seeked.
int sizeOfStruct = Struct.GetSize <RandomIntStruct>();
for (int x = 0; x < _randomIntStructGenerator.Structs.Length; x++)
{
reader.Read(out RandomIntStruct firstRead);
reader.Seek(-sizeOfStruct, SeekOrigin.Current);
reader.Read(out RandomIntStruct secondRead);
Assert.Equal(firstRead, secondRead);
}
}
}
