public void TakeAndReturnBuffer()
{
var bufferManager = new SimpleBufferManager();
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(0, bufferManager.BucketCount);
Assert.AreEqual(0, bufferManager.AllocatedBytes);
Assert.AreEqual(0, bufferManager.AvailableBytes);
byte[] buffer1024 = bufferManager.TakeBuffer(1024);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(1024, buffer1024.Length);
Assert.AreEqual(1024, bufferManager.AllocatedBytes);
Assert.AreEqual(1, bufferManager.BucketCount);
Assert.AreEqual(0, bufferManager.AvailableBytes);
bufferManager.ReturnBuffer(buffer1024);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(1024, bufferManager.AllocatedBytes);
Assert.AreEqual(1024, bufferManager.AvailableBytes);
Assert.AreEqual(1, bufferManager.BucketCount);
byte[] buffer4096 = bufferManager.TakeBuffer(4096);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(4096, buffer4096.Length);
Assert.AreEqual(1024 + 4096, bufferManager.AllocatedBytes);
Assert.AreEqual(1024, bufferManager.AvailableBytes);
Assert.AreEqual(2, bufferManager.BucketCount);
bufferManager.ReturnBuffer(buffer4096);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(1024 + 4096, bufferManager.AllocatedBytes);
Assert.AreEqual(1024 + 4096, bufferManager.AvailableBytes);
Assert.AreEqual(2, bufferManager.BucketCount);
}
public void LargeBuffer()
{
var bufferManager = new SimpleBufferManager();
int bufferSize = SimpleBufferManager.MaxBufferSize + 1;
byte[] buffer = bufferManager.TakeBuffer(bufferSize);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(bufferSize, buffer.Length);
Assert.AreEqual(0, bufferManager.AllocatedBytes);
Assert.AreEqual(0, bufferManager.AvailableBytes);
Assert.AreEqual(0, bufferManager.BucketCount);
bufferManager.ReturnBuffer(buffer);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(0, bufferManager.AllocatedBytes);
Assert.AreEqual(0, bufferManager.AvailableBytes);
Assert.AreEqual(0, bufferManager.BucketCount);
}
public void RecycleBuffer()
{
var bufferManager = new SimpleBufferManager();
int bufferSize = bufferManager.GetDefaultBufferSize();
for (int i = 0; i < 10; i++)
{
byte[] buffer = bufferManager.TakeBuffer(bufferSize);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(bufferSize, buffer.Length);
Assert.AreEqual(bufferSize, bufferManager.AllocatedBytes);
Assert.AreEqual(0, bufferManager.AvailableBytes);
Assert.AreEqual(1, bufferManager.BucketCount);
bufferManager.ReturnBuffer(buffer);
Trace.TraceInformation(bufferManager.ToString());
Assert.AreEqual(bufferSize, bufferManager.AllocatedBytes);
Assert.AreEqual(bufferSize, bufferManager.AvailableBytes);
Assert.AreEqual(1, bufferManager.BucketCount);
}
}
