public void TestReservoireBasicGet()
{
// Arrange
int numAmounts = Rand.Next(5000, 10000), iterations = 0;
int[] amounts = new int[numAmounts], totals = new int[numAmounts];
int amount = 0;
long longTotal = 0;
for (int a = 0; a < numAmounts; a++)
{
amount = Rand.Next(1, 30000);
longTotal += amount;
if ((longTotal >> 32) > 0)
{
iterations = a;
break;
}
amounts[a] = amount;
totals[a] = (int)longTotal;
}
if (iterations == 0)
{
iterations = numAmounts;
amount = Rand.Next(int.MaxValue - totals[totals.Length - 1] + 2, int.MaxValue - 1);
longTotal += amount;
}
Reservoire utReservoire = new Reservoire();
int amountGotten = 0;
for (int i = 0; i < iterations; i++)
{
// Act
amountGotten = utReservoire.GetWater(amounts[i]);
// Assert
Assert.AreEqual(amounts[i], amountGotten, "GetWater returned different amount that requested [i=" + i + "/" + iterations + "]");
Assert.AreEqual(totals[i], utReservoire.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + iterations + "]");
}
int noGet = -1;
try
{
noGet = utReservoire.GetWater(amount);
}
catch (ArgumentOutOfRangeException ex)
{
CaughtEx = true;
Assert.AreEqual("amount", ex.ParamName, "GetWater ArgumentOutOfRangeException didn't report 'amount' parameter");
Assert.AreEqual(-1, noGet, "Reservoire GetWater returned value == " + noGet + " even though ArgumentOutOfRangeException was thrown for getting too much water");
}
catch (Exception ex)
{
Assert.Fail("GetWater threw a different Exception (" + ex.GetType().Name + ") instead of ArgumentOutOfRangeException when VolumeUsed == " + totals[iterations - 1] + " && get amount == " + amount);
}
Assert.IsTrue(CaughtEx, "GetWater did not throw ArgumentOutOfRangeException when VolumeUsed == " + totals[iterations - 1] + " && get amount == " + amount);
}
public void TestReservoireGetWaterZero()
{
// Arrange
int zeroGet = 0;
Reservoire utReservoire = new Reservoire();
// Act
int noGet = -1;
try
{
noGet = utReservoire.GetWater(zeroGet);
}
// Assert
catch (ArgumentOutOfRangeException ex)
{
CaughtEx = true;
Assert.AreEqual("amount", ex.ParamName, "ArgumentOutOfRangeException didn't report 'amount' parameter");
Assert.AreEqual(-1, noGet, "Reservoire GetWater returned value == " + noGet + " even though ArgumentOutOfRangeException was thrown for getting amount == 0");
}
catch (Exception ex)
{
Assert.Fail("GetWater threw a different Exception (" + ex.GetType().Name + ") instead of ArgumentOutOfRangeException when getting amount == 0");
}
Assert.IsTrue(CaughtEx, "GetWater did not throw ArgumentOutOfRangeException when getting 0 water");
}
public void TestReservoireGetWaterRandomNegatives()
{
// Arrange
int numIterations = Rand.Next(5000, 10000);
Reservoire utReservoire = new Reservoire();
for (int i = 0; i < numIterations; i++)
{
int noGet = 0, minusAmount = Rand.Next(int.MinValue + 1, -2);
CaughtEx = false;
// Act
try
{
noGet = utReservoire.GetWater(minusAmount);
}
// Assert
catch (ArgumentOutOfRangeException aore)
{
CaughtEx = true;
Assert.AreEqual("amount", aore.ParamName, "ArgumentOutOfRangeException didn't report 'amount' parameter [i=" + i + "/" + numIterations + "]");
Assert.AreEqual(0, noGet, "Reservoire GetWater returned value == " + noGet + " even though ArgumentOutOfRangeException was thrown for getting amount == " + minusAmount + " [i=" + i + "/" + numIterations + "]");
}
catch (Exception ex)
{
Assert.Fail("GetWater threw a different Exception (" + ex.GetType().Name + ") instead of ArgumentOutOfRangeException when getting amount == " + minusAmount + " [i=" + i + "/" + numIterations + "]");
}
Assert.IsTrue(CaughtEx, "GetWater did not throw ArgumentOutOfRangeException when getting " + minusAmount + " water [i=" + i + "/" + numIterations + "]");
}
}
public void TestReservoireGetWaterRandomLargeInts()
{
// Arrange
int numIterations = Rand.Next(5000, 10000);
for (int i = 0; i < numIterations; i++)
{
Reservoire utReservoire = new Reservoire();
// Act
int randWayBig = Rand.Next(1000000, int.MaxValue - 1);
int randWayBigGot = utReservoire.GetWater(randWayBig);
// Assert
Assert.AreEqual(randWayBig, randWayBigGot, "Getting random way big (" + randWayBig + ") water returned different amount of water [i=" + i + "/" + numIterations + "]");
Assert.AreEqual(randWayBig, utReservoire.VolumeUsed, "VolumeUsed isn't random way big (" + randWayBig + ") when getting random way big (" + randWayBig + ") water [i=" + i + "/" + numIterations + "]");
}
}
public void TestReservoireGetWaterIntMax()
{
// Arrange
int wayBig = int.MaxValue;
Reservoire utReservoire = new Reservoire();
// Act
int gotWayBig = utReservoire.GetWater(wayBig);
// Assert
Assert.AreEqual(wayBig, gotWayBig, "Getting int.MaxValue water returned different amount of water");
Assert.AreEqual(wayBig, utReservoire.VolumeUsed, "VolumeUsed isn't int.MaxValue when getting int.MaxValue water");
}
public void TestReservoireGetWaterGreaterThanIntMax()
{
// Arrange
int getAmount = 1,
wayBig = int.MaxValue;
Reservoire utReservoire = new Reservoire();
// Act
int gotAmount = utReservoire.GetWater(getAmount);
int gotVolume = utReservoire.VolumeUsed;
int tooMuch = -1;
try
{
tooMuch = utReservoire.GetWater(wayBig);
}
// Assert
catch (ArgumentOutOfRangeException ex)
{
CaughtEx = true;
Assert.AreEqual("amount", ex.ParamName, "ArgumentOutOfRangeException didn't report 'amount' parameter");
Assert.AreEqual(-1, tooMuch, "Reservoire GetWater returned value == " + tooMuch + " even though ArgumentOutOfRangeException was thrown for getting too much water");
}
catch (Exception ex)
{
Assert.Fail("GetWater threw a different Exception (" + ex.GetType().Name + ") instead of ArgumentOutOfRangeException when VolumeUsed == " + gotVolume + " && get amount == " + wayBig);
}
Assert.IsTrue(CaughtEx, "GetWater did not throw ArgumentOutOfRangeException when VolumeUsed == " + gotVolume + " && get amount == " + wayBig);
}
public void TestReservoireGetThenPutWater()
{
// Arrange
int numAmounts = Rand.Next(5000, 10000), getIterations = 0, putIterations = 0;
int[] getAmounts = new int[numAmounts], gotTotals = new int[numAmounts],
putAmounts = new int[numAmounts], putTotals = new int[numAmounts];
int getAmount = 0;
long longGetTotal = 0;
for (int a = 0; a < numAmounts; a++)
{
getAmount = Rand.Next(1, 30000);
longGetTotal += getAmount;
if ((longGetTotal >> 32) > 0)
{
getIterations = a;
break;
}
getAmounts[a] = getAmount;
gotTotals[a] = (int)longGetTotal;
}
if (getIterations == 0)
{
getIterations = numAmounts;
getAmount = Rand.Next(int.MaxValue - gotTotals[gotTotals.Length - 1] + 2, int.MaxValue - 1);
longGetTotal += getAmount;
}
int putAmount = 0;
long longPutTotal = 0;
for (int a = 0; a < numAmounts; a++)
{
putAmount = Rand.Next(1, 30000);
longPutTotal += putAmount;
if ((longPutTotal >> 32) > 0)
{
putIterations = a;
break;
}
putAmounts[a] = putAmount;
putTotals[a] = (int)longPutTotal;
}
if (putIterations == 0)
{
putIterations = numAmounts;
putAmount = Rand.Next(int.MaxValue - putTotals[putTotals.Length - 1] + 2, int.MaxValue - 1);
longPutTotal += putAmount;
}
Reservoire utReservoire = new Reservoire();
int amountGotten = 0;
int initIterations = Math.Min(getIterations, putIterations);
int finishIterations = Math.Max(getIterations, putIterations) - initIterations;
for (int i = 0; i < initIterations; i++)
{
// Act
amountGotten = utReservoire.GetWater(getAmounts[i]);
utReservoire.PutWater(putAmounts[i]);
// Assert
Assert.AreEqual(getAmounts[i], amountGotten, "GetWater returned different amount that requested [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.AreEqual(gotTotals[i], utReservoire.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.AreEqual(putTotals[i], utReservoire.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
}
if (initIterations < getIterations)
{
for (int i = initIterations; i < finishIterations; i++)
{
// Act
amountGotten = utReservoire.GetWater(getAmounts[i]);
// Assert
Assert.AreEqual(getAmounts[i], amountGotten, "GetWater returned different amount that requested [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(gotTotals[i], utReservoire.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(putTotals[i], utReservoire.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
}
}
else if (initIterations < putIterations)
{
for (int i = initIterations; i < finishIterations; i++)
{
// Act
utReservoire.PutWater(putAmounts[i]);
// Assert
Assert.AreEqual(gotTotals[i], utReservoire.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(putTotals[i], utReservoire.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
}
}
int noGet = -1;
try
{
// Act
noGet = utReservoire.GetWater(getAmount);
}
// Assert
catch (ArgumentOutOfRangeException ex)
{
CaughtEx = true;
Assert.AreEqual("amount", ex.ParamName, "GetWater ArgumentOutOfRangeException didn't report 'amount' parameter");
Assert.AreEqual(-1, noGet, "Reservoire GetWater returned value == " + noGet + " even though ArgumentOutOfRangeException was thrown for getting too much water");
}
catch (Exception ex)
{
Assert.Fail("GetWater threw a different Exception (" + ex.GetType().Name + ") instead of ArgumentOutOfRangeException when VolumeUsed == " + gotTotals[getIterations - 1] + " && get amount == " + getAmount);
}
Assert.IsTrue(CaughtEx, "GetWater did not throw ArgumentOutOfRangeException when VolumeUsed == " + gotTotals[getIterations - 1] + " && get amount == " + getAmount);
// Arrange
CaughtEx = false;
try
{
// Act
utReservoire.PutWater(putAmount);
}
// Assert
catch (ArgumentOutOfRangeException ex)
{
CaughtEx = true;
Assert.AreEqual("amount", ex.ParamName, "PutWater ArgumentOutOfRangeException didn't report 'amount' parameter");
}
catch (Exception ex)
{
Assert.Fail("PutWater threw a different Exception (" + ex.GetType().Name + ") instead of ArgumentOutOfRangeException when VolumeThrownOut == " + putTotals[putIterations - 1] + " && put amount == " + putAmount);
}
Assert.IsTrue(CaughtEx, "PutWater did not throw ArgumentOutOfRangeException when VolumeUsed == " + putTotals[putIterations - 1] + " && put amount == " + putAmount);
}
public void TestReservoireCurrentState()
{
// Arrange
int numAmounts = Rand.Next(5000, 10000), getIterations = 0, putIterations = 0;
int[] getAmounts = new int[numAmounts], gotTotals = new int[numAmounts],
putAmounts = new int[numAmounts], putTotals = new int[numAmounts];
int getAmount = 0;
long longGetTotal = 0;
for (int a = 0; a < numAmounts; a++)
{
getAmount = Rand.Next(1, 30000);
longGetTotal += getAmount;
if ((longGetTotal >> 32) > 0)
{
getIterations = a;
break;
}
getAmounts[a] = getAmount;
gotTotals[a] = (int)longGetTotal;
}
if (getIterations == 0)
{
getIterations = numAmounts;
getAmount = Rand.Next(int.MaxValue - gotTotals[gotTotals.Length - 1] + 2, int.MaxValue - 1);
longGetTotal += getAmount;
}
int putAmount = 0;
long longPutTotal = 0;
for (int a = 0; a < numAmounts; a++)
{
putAmount = Rand.Next(1, 30000);
longPutTotal += putAmount;
if ((longPutTotal >> 32) > 0)
{
putIterations = a;
break;
}
putAmounts[a] = putAmount;
putTotals[a] = (int)longPutTotal;
}
if (putIterations == 0)
{
putIterations = numAmounts;
putAmount = Rand.Next(int.MaxValue - putTotals[putTotals.Length - 1] + 2, int.MaxValue - 1);
longPutTotal += putAmount;
}
Reservoire utReservoire = new Reservoire(), utReservoireFromState = null;
ReservoireState utStateInitial = null, utState = null;
// Act
utStateInitial = utReservoire.CurrentState;
utReservoireFromState = new Reservoire(utStateInitial);
// Assert
Assert.AreEqual(0, utStateInitial.VolumeUsed, "CurrentState from empty constructed initial Reservoire VolumeUsed not equal to 0");
Assert.AreEqual(0, utStateInitial.VolumeThrownOut, "CurrentState from empty constructed initial Reservoire VolumeThrownOut not equal to 0");
Assert.AreEqual(0, utReservoireFromState.VolumeUsed, "ReservoireState constructor from empty constructed initial Reservoire VolumeUsed not equal to 0");
Assert.AreEqual(0, utReservoireFromState.VolumeThrownOut, "ReservoireState constructor from empty constructed initial Reservoire VolumeThrownOut not equal to 0");
// Arrange
int initIterations = Math.Min(getIterations, putIterations);
int finishIterations = Math.Max(getIterations, putIterations) - initIterations;
for (int i = 0; i < initIterations; i++)
{
// Arrange
utState = null;
utReservoireFromState = null;
// Act
utReservoire.GetWater(getAmounts[i]);
utReservoire.PutWater(putAmounts[i]);
utState = utReservoire.CurrentState;
utReservoireFromState = new Reservoire(utState);
// Assert
Assert.AreEqual(gotTotals[i], utReservoire.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.AreEqual(putTotals[i], utReservoire.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.IsNotNull(utState, "CurrentState returned null [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeUsed, utState.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeThrownOut, utState.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.IsNotNull(utReservoireFromState, "Constructing a new Reservoire from ReservoireState returned null (should be impossible with new call) [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeUsed, utReservoireFromState.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeThrownOut, utReservoireFromState.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + initIterations + ":" + finishIterations + "]");
}
if (initIterations < getIterations)
{
for (int i = initIterations; i < finishIterations; i++)
{
// Arrange
utState = null;
utReservoireFromState = null;
// Act
utReservoire.GetWater(getAmounts[i]);
utState = utReservoire.CurrentState;
utReservoireFromState = new Reservoire(utState);
// Assert
Assert.AreEqual(gotTotals[i], utReservoire.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(putTotals[i], utReservoire.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.IsNotNull(utState, "CurrentState returned null");
Assert.AreEqual(utReservoire.VolumeUsed, utState.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeThrownOut, utState.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.IsNotNull(utReservoireFromState, "Constructing a new Reservoire from ReservoireState returned null (should be impossible with new call)");
Assert.AreEqual(utReservoire.VolumeUsed, utReservoireFromState.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeThrownOut, utReservoireFromState.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
}
}
else if (initIterations < putIterations)
{
for (int i = initIterations; i < finishIterations; i++)
{
// Arrange
utState = null;
utReservoireFromState = null;
// Act
utReservoire.PutWater(putAmounts[i]);
utState = utReservoire.CurrentState;
utReservoireFromState = new Reservoire(utState);
// Assert
Assert.AreEqual(gotTotals[i], utReservoire.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(putTotals[i], utReservoire.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.IsNotNull(utState, "CurrentState returned null");
Assert.AreEqual(utReservoire.VolumeUsed, utState.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeThrownOut, utState.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.IsNotNull(utReservoireFromState, "Constructing a new Reservoire from ReservoireState returned null (should be impossible with new call)");
Assert.AreEqual(utReservoire.VolumeUsed, utReservoireFromState.VolumeUsed, "Current VolumeUsed not equal to expected total [i=" + i + "/" + finishIterations + "]");
Assert.AreEqual(utReservoire.VolumeThrownOut, utReservoireFromState.VolumeThrownOut, "Current VolumeThrownOut not equal to expected total [i=" + i + "/" + finishIterations + "]");
}
}
}
public int Fill(Reservoire source)
{
if (!this.IsFull)
{
int amount = this.Capacity - this.CurrentFill;
this.CurrentFill += source.GetWater(this.Capacity - this.CurrentFill);
return amount;
}
return 0;
}