public void SetAnyEmptyBufferAsDestinationBuffer_ShouldThrowException_NoBufferIsEmpty()
{
var numberOfBuffers = 3;
IInputBuffer[] inputBuffers;
IOutputBuffer[] outputBuffers;
getIOBuffers(out inputBuffers, out outputBuffers, 2);
inputBuffers[0].HasNext().Returns(true);
inputBuffers[1].HasNext().Returns(true);
inputBuffers[0].HasDummy().Returns(true);
inputBuffers[1].HasDummy().Returns(true);
var mergeBuffering = new MergeBufferingIO(ref inputBuffers, ref outputBuffers, 0);
Assert.Throws <Exception>(() => mergeBuffering.SetAnyEmptyBufferAsDestinationBuffer());
}
public void GetInputBuffer_DestinationBufferIsAtIndex0_InputBufferWithIndex0ShouldNotBeReturned()
{
var expectedRecord = Record.Max;
IInputBuffer[] inputBuffers;
IOutputBuffer[] outputBuffers;
getIOBuffers(out inputBuffers, out outputBuffers, 3);
inputBuffers[0].HasNext().Returns(false);
inputBuffers[1].HasNext().Returns(true);
inputBuffers[2].HasNext().Returns(true);
inputBuffers[0].GetNextRecord().Returns(Record.NullRecord);
inputBuffers[1].GetNextRecord().Returns(expectedRecord);
inputBuffers[2].GetNextRecord().Returns(expectedRecord);
var mergeBuffering = new MergeBufferingIO(ref inputBuffers, ref outputBuffers, 0);
Assert.AreEqual(expectedRecord, mergeBuffering.GetInputBuffer(0).GetNextRecord());
Assert.AreEqual(expectedRecord, mergeBuffering.GetInputBuffer(1).GetNextRecord());
}
public void SetAnyEmptyBufferAsDestinationBuffer_ShouldReturnDesiredBuffer_SelectedBufferHasIndex0()
{
var numberOfBuffers = 3;
IInputBuffer[] inputBuffers;
IOutputBuffer[] outputBuffers;
getIOBuffers(out inputBuffers, out outputBuffers, 3);
inputBuffers[0].HasNext().Returns(true);
inputBuffers[1].HasNext().Returns(true);
inputBuffers[2].HasNext().Returns(false);
inputBuffers[0].HasDummy().Returns(false);
inputBuffers[1].HasDummy().Returns(false);
inputBuffers[2].HasDummy().Returns(false);
var mergeBuffering = new MergeBufferingIO(ref inputBuffers, ref outputBuffers, 0);
var expectedSelectedBuffer = 2;
mergeBuffering.SetAnyEmptyBufferAsDestinationBuffer();
var actualSelectedBuffer = mergeBuffering.GetDestinationBufferIndex();
Assert.AreEqual(expectedSelectedBuffer, actualSelectedBuffer);
}
