/// <summary>
/// Check sorting data on an instance of <seealso cref="OfflineSorter"/>.
/// </summary>
private OfflineSorter.SortInfo CheckSort(OfflineSorter sort, byte[][] data)
{
FileInfo unsorted = WriteAll("unsorted", data);
Array.Sort(data, unsignedByteOrderComparer);
FileInfo golden = WriteAll("golden", data);
FileInfo sorted = new FileInfo(Path.Combine(tempDir.FullName, "sorted"));
OfflineSorter.SortInfo sortInfo = sort.Sort(unsorted, sorted);
//System.out.println("Input size [MB]: " + unsorted.Length() / (1024 * 1024));
//System.out.println(sortInfo);
AssertFilesIdentical(golden, sorted);
return(sortInfo);
}
public virtual void TestSmallRandom()
{
// Sort 20 mb worth of data with 1mb buffer.
OfflineSorter.SortInfo sortInfo = CheckSort(new OfflineSorter(OfflineSorter.DEFAULT_COMPARER, OfflineSorter.BufferSize.Megabytes(1), OfflineSorter.DefaultTempDir(), OfflineSorter.MAX_TEMPFILES), GenerateRandom((int)OfflineSorter.MB * 20));
Assert.AreEqual(1, sortInfo.MergeRounds);
}
public virtual void TestIntermediateMerges()
{
// Sort 20 mb worth of data with 1mb buffer, binary merging.
OfflineSorter.SortInfo info = CheckSort(new OfflineSorter(OfflineSorter.DEFAULT_COMPARER, OfflineSorter.BufferSize.Megabytes(1), OfflineSorter.DefaultTempDir(), 2), GenerateRandom((int)OfflineSorter.MB * 20));
Assert.IsTrue(info.MergeRounds > 10);
}
