public void TestWriteLock()
{
var systemClock = new SystemClock();
var site = new Site(1, new SiteList(systemClock), systemClock);
var tempVariable = new Variable(1, site, systemClock);
var transactionOne = new Transaction("T1", systemClock);
var transactionTwo = new Transaction("T2", systemClock);
var result = tempVariable.GetWriteLock(transactionOne);
Assert.IsTrue(result.Contains(transactionOne));
Assert.IsTrue(tempVariable.WriteLockHolder == transactionOne);
var resultTwo = tempVariable.GetReadLock(transactionTwo);
Assert.IsFalse(resultTwo.Contains(transactionTwo));
Assert.IsTrue(resultTwo.Contains(transactionOne));
var resultThree = tempVariable.GetWriteLock(transactionTwo);
Assert.IsFalse(resultThree.Contains(transactionTwo));
Assert.IsTrue(resultThree.Contains(transactionOne));
tempVariable.RemoveWriteLock(transactionOne);
Assert.IsTrue(tempVariable.WriteLockHolder == null);
}
public void TestVariableResetOnFailure()
{
var systemClock = new SystemClock();
var site = new Site(1, new SiteList(systemClock), systemClock);
var variable = new Variable(1, site, systemClock);
var transactionOne = new Transaction("T1", systemClock);
variable.GetReadLock(transactionOne);
variable.GetWriteLock(transactionOne);
Assert.IsTrue(variable.IsReadLocked);
Assert.IsTrue(variable.IsWriteLocked);
Assert.IsTrue(variable.ReadLockHolders.Contains(transactionOne));
Assert.IsTrue(variable.WriteLockHolder == transactionOne);
variable.ResetToComitted();
Assert.IsFalse(variable.IsReadLocked);
Assert.IsFalse(variable.IsWriteLocked);
Assert.IsFalse(variable.ReadLockHolders.Contains(transactionOne));
Assert.IsFalse(variable.WriteLockHolder == transactionOne);
}
//[TestMethod]
public void TestMethod1()
{
var systemClock = new SystemClock();
var siteList = new SiteList(systemClock);
var siteOne = new Site(1, siteList, systemClock);
var siteTwo = new Site(2, siteList, systemClock);
siteList.AddSite(siteOne);
siteList.AddSite(siteTwo);
var variableOne = new Variable(2, siteOne, systemClock);
var variableTwo = new Variable(2, siteTwo, systemClock);
var transaction = new Transaction("test", systemClock);
siteOne.VariableList.Add(variableOne);
siteTwo.VariableList.Add(variableTwo);
Assert.IsTrue(variableOne.GetWriteLock(transaction).Contains(transaction));
Assert.IsTrue(variableTwo.GetWriteLock(transaction).Contains(transaction));
variableOne.Set("5");
variableOne.CommitValue();
variableOne.Set("4");
var affectedTranasactions = siteOne.Fail();
Assert.IsTrue(siteOne.IsFailed);
siteOne.Recover();
Assert.IsTrue(affectedTranasactions.Contains(transaction));
Assert.IsTrue(
transaction.AwaitingReReplication.Contains(new ValueSitePair() { Site = siteOne, Variable = variableOne }));
Assert.IsFalse(siteOne.IsFailed);
}