public void GetSortedItemsTest()
{
SortMapItem sortMapItem = new SortMapItem();
Assert.IsNotNull(sortMapItem.UID);
Assert.AreNotEqual(Guid.Empty, sortMapItem.UID);
sortMapItem.AddItems(_unsortArr1);
var countLines = sortMapItem.CountLines();
var expectedCount = _unsortArr1.Length;
Assert.AreEqual(expectedCount, countLines);
sortMapItem.AddItems(_unsortArr3);
countLines = sortMapItem.CountLines();
expectedCount += _unsortArr3.Length;
Assert.AreEqual(expectedCount, countLines);
sortMapItem.AddItems(_unsortArr2);
countLines = sortMapItem.CountLines();
expectedCount += _unsortArr2.Length;
Assert.AreEqual(expectedCount, countLines);
var resultsSorted = this.GetSortedStream(sortMapItem);
Assert.IsTrue(_sortedArr1.SequenceEqual(resultsSorted));
sortMapItem.Dispose();
Assert.Pass("Arrays was sorted as expected");
}
/// <summary>
/// Gets data from SortMapItem - Sorted Stream of text lines, and coverts it to IEnumerable
/// </summary>
/// <param name="sortMapItem">Instance to read from. </param>
/// <returns> Sorted data from instance </returns>
private IEnumerable <string> GetSortedStream(SortMapItem sortMapItem)
{
using (Stream streamSorted = sortMapItem.GetSortedItems())
{
using (StreamReader reader = new StreamReader(streamSorted))
{
string line;
while ((line = reader.ReadLine()) != null)
{
yield return(line);
}
reader.Close();
}
}
}
