public void TwoFrames_AddedInWrongOrder_ShouldBeBuffered()
{
var maxSequenceValue = 10;
var receivedFrameId = 0;
var initialFrame = new TestDataFrame {
SequenceId = 4
};
var firstFrame = new TestDataFrame {
SequenceId = 5
};
var secondFrame = new TestDataFrame {
SequenceId = 6
};
var buffer = new DataFrameBuffer(maxSequenceValue);
buffer.FrameBlockReceived += (sender, args) => receivedFrameId = args.Data.Last().SequenceId;
buffer.Add(initialFrame);
buffer.Add(secondFrame);
Assert.AreEqual(initialFrame.SequenceId, receivedFrameId);
buffer.Add(firstFrame);
Assert.AreEqual(secondFrame.SequenceId, receivedFrameId);
}
public void AFrameWithTooHighFrameId_WhenAddedToBuffer_ShouldThrowAnException()
{
var maxSequenceValue = 10;
var cache = new DataFrameBuffer(maxSequenceValue);
cache.Add(new TestDataFrame()
{
SequenceId = maxSequenceValue + 1
});
}
public void SingleFrame_AddedToBuffer_ReturnImediately()
{
var maxSequenceValue = 10;
var receivedFrameId = 0;
var frame = new TestDataFrame {
SequenceId = 5
};
var buffer = new DataFrameBuffer(maxSequenceValue);
buffer.FrameBlockReceived += (sender, args) => receivedFrameId = args.Data[0].SequenceId;
buffer.Add(frame);
Assert.AreEqual(frame.SequenceId, receivedFrameId);
}
public void TwoFramesWithOverrun_AddedInRightOrder_ShouldNotBuffer()
{
var maxSequenceValue = 10;
var receivedFrameId = 0;
var firstFrame = new TestDataFrame {
SequenceId = 10
};
var secondFrame = new TestDataFrame {
SequenceId = 0
};
var buffer = new DataFrameBuffer(maxSequenceValue);
buffer.FrameBlockReceived += (sender, args) => receivedFrameId = args.Data.Last().SequenceId;
buffer.Add(firstFrame);
Assert.AreEqual(firstFrame.SequenceId, receivedFrameId);
buffer.Add(secondFrame);
Assert.AreEqual(secondFrame.SequenceId, receivedFrameId);
}
public void TwoFrames_AddedInRightOrder_ShouldNotBeBuffered()
{
var maxSequenceValue = 10;
var receivedFrameId = 0;
var firstFrame = new TestDataFrame {
SequenceId = 5
};
var secondFrame = new TestDataFrame {
SequenceId = 6
};
var cache = new DataFrameBuffer(maxSequenceValue);
cache.FrameBlockReceived += (sender, args) => receivedFrameId = args.Data[0].SequenceId;
cache.Add(firstFrame);
Assert.AreEqual(firstFrame.SequenceId, receivedFrameId);
cache.Add(secondFrame);
Assert.AreEqual(secondFrame.SequenceId, receivedFrameId);
}
