public void DataManagerConstructorTest()
{
DataManager target = new DataManager(1);
int i = 0;
Assert.AreEqual(20, target.Read(2, 1));
Assert.AreEqual(40, target.Read(4, 1));
Assert.AreEqual(60, target.Read(6, 1));
Assert.AreEqual(80, target.Read(8, 1));
Assert.AreEqual(100, target.Read(10, 1));
Assert.AreEqual(120, target.Read(12, 1));
Assert.AreEqual(140, target.Read(14, 1));
Assert.AreEqual(160, target.Read(16, 1));
Assert.AreEqual(180, target.Read(18, 1));
Assert.AreEqual(200, target.Read(20, 1));
target = new DataManager(2);
Assert.AreEqual(10, target.Read(1, 1));
Assert.AreEqual(110, target.Read(11, 1));
target = new DataManager(4);
Assert.AreEqual(30, target.Read(3, 1));
Assert.AreEqual(130, target.Read(13, 1));
target = new DataManager(6);
Assert.AreEqual(50, target.Read(5, 1));
Assert.AreEqual(150, target.Read(15, 1));
target = new DataManager(8);
Assert.AreEqual(70, target.Read(7, 1));
Assert.AreEqual(170, target.Read(17, 1));
target = new DataManager(10);
Assert.AreEqual(90, target.Read(9, 1));
Assert.AreEqual(190, target.Read(19, 1));
}
/// <summary>
/// 10/20/2011
/// Initializes a new instance of the <see cref = "Site" /> class.
/// </summary>
/// <param name = "sNumber">The site number.</param>
/// <remarks>
/// Side effects: the dataManager is initialized, the site number is set
/// </remarks>
public Site(int sNumber)
: this()
{
siteNumber = sNumber;
dataManager = new DataManager(sNumber);
}
public void DataManagerReadTest()
{
DataManager target = new DataManager(2);
target.Write(1, 30, 1, 1);
target.Write(2, 20, 1, 1);
int actual = target.Read(1, 1);
Assert.AreEqual(30, actual);
actual = target.Read(1, 2);
Assert.AreNotEqual(30, actual);
actual = target.Read(2, 1);
Assert.AreEqual(20, actual);
actual = target.Read(-1, 1);
actual = target.Read(20, 1);
}
public void RecoverTest()
{
int siteNumber = 2;
DataManager target = new DataManager(siteNumber);
target.Write(2, 5, 1, 1);
// a different trasnaction reads the original data item
int actual = target.Read(2, 2);
Assert.AreEqual(20, actual);
// the same transaction will read the value it has written
actual = target.Read(2, 1);
Assert.AreEqual(5, actual);
// recover
target.Recover();
// same transaction can no longer see the value it ahs written (uncomitted value was lost)
actual = target.Read(2, 1);
Assert.AreEqual(20, actual);
// now write and commit, then recover
target.Write(2, 5, 1, 1);
target.CommitAllWrites(new Operation(Enumerations.OperationMode.Commit, 1, ts: 0));
target.Recover();
actual = target.Read(2, 1);
Assert.AreEqual(5, actual);
}
public void ReadTest()
{
int siteNumber = 0;
DataManager target = new DataManager(siteNumber);
int dataItem = 2;
int transactionId = 0;
int timeStamp = 0;
int expected = 20;
int actual;
actual = target.Read(dataItem, transactionId, timeStamp);
Assert.AreEqual(expected, actual);
target.Write(2, 30, 2, 2);
target.CommitAllWrites(new Operation(Enumerations.OperationMode.Commit, 2, ts: 1));
actual = target.Read(dataItem, transactionId, timeStamp);
Assert.AreEqual(expected, actual);
timeStamp = 3;
expected = 30;
actual = target.Read(dataItem, transactionId, timeStamp);
Assert.AreEqual(expected, actual);
}
public void DeleteOldValuesTest()
{
int siteNumber = 0;
DataManager target = new DataManager(siteNumber);
int dataItem = 0;
int timeStamp = 2;
target.Write(2, 5, 1, timeStamp);
target.Write(4, 10, 1, timeStamp);
target.CommitAllWrites(new Operation(Enumerations.OperationMode.Commit, 1, ts: timeStamp));
timeStamp = 4;
target.Write(2, 10, 1, timeStamp);
target.Write(4, 10, 1, timeStamp);
target.CommitAllWrites(new Operation(Enumerations.OperationMode.Commit, 1, ts: timeStamp));
//Assert.AreEqual(3, target.DataItems[2].OldValues.Count);
//Assert.AreEqual(3, target.DataItems[4].OldValues.Count);
//target.DeleteOldValues(2, 3);
//Assert.AreEqual(1, target.DataItems[2].OldValues.Count);
//Assert.AreEqual(10, target.DataItems[2].OldValues[4]);
//target.DeleteOldValues(4, 1);
//Assert.AreEqual(2, target.DataItems[4].OldValues.Count);
//target.DeleteOldValues(4, 4);
//Assert.AreEqual(1, target.DataItems[4].OldValues.Count);
//Assert.AreEqual(10, target.DataItems[4].OldValues[4]);
}
public void DataManagerWriteTest()
{
DataManager target = new DataManager(1);
target.Write(2, 5, 1, 1);
Assert.AreEqual(5, target.Read(2, 1));
target.Write(4, 10, 1, 1);
Assert.AreEqual(10, target.Read(4, 1));
target.Write(21, 10,1,1);
target.Write(-1, 10, 1, 1);
}
