public void DataFilesAndSegments_Full()
{
var baseInfo = PackageSequenceBaseInfo.Default;
// is size is splitted correctly to files and segments?
// 2 data files + 5.2 segments
var sequencer = new PackagePartsSequencer();
long testSize = baseInfo.DataFileLength * 2 + baseInfo.SegmentLength * 520 / 100;
var testSequence = new PackageSequenceInfo(baseInfo, testSize);
var parts = sequencer.GetPartsForPackage(@"c:\example", testSequence).ToArray();
// expected count of parts
Assert.Equal(parts.Count(), baseInfo.SegmentsPerDataFile * 2 + 6); // two files, 5 full segments and 1 smaller segment
// expected offsets and indexes
for (int fileIndex = 0; fileIndex < 3; fileIndex++)
{
for (int segmentIndex = 0; segmentIndex < baseInfo.SegmentsPerDataFile; segmentIndex++)
{
int partIndex = fileIndex * baseInfo.SegmentsPerDataFile + segmentIndex;
if (partIndex >= parts.Length)
{
break;
}
var part = parts[partIndex];
// expected offsets
Assert.Equal(fileIndex, part.DataFileIndex);
Assert.Equal(segmentIndex + fileIndex * baseInfo.SegmentsPerDataFile, part.SegmentIndex);
Assert.Equal(segmentIndex * baseInfo.SegmentLength, part.SegmentOffsetInDataFile);
if (fileIndex < 2)
{
// previous full files
Assert.Equal(baseInfo.DataFileLength, part.DataFileLength);
}
else
{
// last file
Assert.Equal(testSize % baseInfo.DataFileLength, part.DataFileLength);
}
}
}
// expected sizes - segment sizes
Assert.Equal(testSize, parts.Sum(a => a.PartLength));
Assert.All(parts.Take(parts.Length - 1), a => Assert.Equal(baseInfo.SegmentLength, a.PartLength));
Assert.Equal(testSize % baseInfo.SegmentLength, parts.Last().PartLength); // last segment size
}
public void Segments_FullSegment()
{
var baseInfo = PackageSequenceBaseInfo.Default;
// is size is splitted correctly to two segments?
// 200% of 1 segment
var sequencer = new PackagePartsSequencer();
long testSize = baseInfo.SegmentLength * 2; // two full segments
var testSequence = new PackageSequenceInfo(baseInfo, testSize);
var parts = sequencer.GetPartsForPackage(@"c:\example", testSequence).ToArray();
Assert.Equal(2, parts.Count());
Assert.Equal(baseInfo.SegmentLength, parts[0].PartLength);
Assert.Equal(baseInfo.SegmentLength, parts[1].PartLength);
Assert.Equal(0, parts[0].DataFileIndex);
Assert.Equal(0, parts[1].DataFileIndex);
Assert.Equal(0, parts[0].SegmentOffsetInDataFile);
Assert.Equal(baseInfo.SegmentLength, parts[1].SegmentOffsetInDataFile);
}