public void Gas_Constructor2_WithValidData()
{
Gas target = new Gas(0.30, 0.60);
Assert.Equal(0.30, target.OxygenPart);
Assert.Equal(0.10, target.NitrogenPart);
Assert.Equal(0.60, target.HeliumPart);
}
public static double ConstantDepth(Gas gas, double depth, double time)
{
if (depth < 0)
{
throw new ArgumentException("Depth need to be posetive");
}
if (time < 0)
{
throw new ArgumentException("Time need to be posetive");
}
var ppo2level = Calculations.PartialPressureofGas(gas.OxygenProcent, depth);
if (ppo2level > 1.6)
{
throw new ArgumentException("PPO2 value above 1.6 can't calculate CNS");
}
if (ppo2level <= 0.5)
{
return 0;
}
var tlim = PO2Datas.Where(x => x.PO2Low < ppo2level && x.PO2Hight >= ppo2level)
.Select(x => x.Slope*ppo2level + x.Intercept)
.FirstOrDefault();
return Math.Round((time/tlim)*100, 2);
}
public void Gas_ToString()
{
Gas target = new Gas(0.1, 0.2, 0.7);
string expected = "O2:10% N2:20% H:70%";
string actual;
actual = target.ToString();
Assert.Equal(expected, actual);
}
public void Gas_EqualsTest_True()
{
Gas target = new Gas(0.2, 0.2, 0.6);
Gas obj = new Gas(0.2, 0.2, 0.6);
bool expected = true;
bool actual;
actual = target.Equals(obj);
Assert.Equal(expected, actual);
}
public void OTU_AscendDescend_RateNegative_ThrowsException()
{
var gas = new Gas(0.32, 0.68, 0);
double startDepth = 10;
double finalDepth = 20;
double rate = -12;
Assert.Throws<ArgumentException>(() => OxygenToxicityUnit.AscendDescend(gas, startDepth, finalDepth, rate));
}
public void Gas_EqualsTest_False()
{
Gas target = new Gas(0.2, 0.2, 0.6);
object obj = new Gas(0.2, 0.6, 0.2);
bool expected = false;
bool actual;
actual = target.Equals(obj);
Assert.Equal(expected, actual);
}
public void CNS_AscendDescend_RateZero_ThrowsException()
{
Gas gas = new Gas(0.32, 0.68, 0);
double startDepth = 0;
double finalDepth = 5;
double rate = 0;
Assert.Throws<ArgumentException>(() => CentralNervousSystem.AscendDescend(gas, startDepth, finalDepth, rate));
}
public void ZH_L16_ChangeGas()
{
Gas gas = new Gas(0.21, 0.79, 0.0);
ZH_L16 target = new ZH_L16();
target.ActiveGas = gas;
Gas newGas = new Gas(0.3, 0.7, 0.0);
target.ActiveGas = newGas;
Assert.Equal(newGas, target.ActiveGas);
}
public void OTU_AscendDescend_DescendFromSurface()
{
var gas = new Gas(0.32, 0.68, 0);
double startDepth = 0;
double finalDepth = 36;
double rate = 12;
var expected = 2.40;
double actual;
actual = Math.Round(OxygenToxicityUnit.AscendDescend(gas, startDepth, finalDepth, rate), 2);
Assert.Equal(expected, actual);
}
public void OTU_AscendDescend_ChangeDepthWithinNoOtuScope()
{
var gas = new Gas(0.32, 0.68, 0);
double startDepth = 0;
double finalDepth = 4;
double rate = 12;
double expected = 0;
double actual;
actual = Math.Round(OxygenToxicityUnit.AscendDescend(gas, startDepth, finalDepth, rate), 2);
Assert.Equal(expected, actual);
}
public static double AscendDescend(Gas gas, double startDepth, double finalDepth, double rate)
{
if (startDepth < 0)
{
throw new ArgumentException("Start depth need to be posetive");
}
if (finalDepth < 0)
{
throw new ArgumentException("Final depth need to be posetive");
}
if (rate <= 0)
{
throw new ArgumentException("Rate need to be posetive number above 0");
}
if (Math.Abs(startDepth - finalDepth) < 0.001)
{
return 0;
}
// Going up. Hence invert rate
if (finalDepth < startDepth)
{
rate = rate*-1.0;
}
double time = (finalDepth - startDepth)/rate;
double po2End = gas.OxygenPart*(finalDepth + 10.0)/10.0;
double po2Start = gas.OxygenPart*(startDepth + 10.0)/10.0;
// OTU is only effective if pressure bigger then 0.5
if (po2End < 0.5 & po2Start < 0.5)
{
return 0;
}
if (po2Start < 0.5)
{
time = time*((po2End - 0.5)/(po2End - po2Start));
po2Start = 0.5;
}
else if (po2End < 0.5)
{
time = time*((po2Start - 0.5)/(po2Start - po2End));
po2End = 0.5;
}
return
Math.Round(
(((3.0/11.0)*time)/(po2End - po2Start))*
(Math.Pow(((po2End - 0.5)/0.5), (11.0/6.0)) - Math.Pow(((po2Start - 0.5)/0.5), (11.0/6.0))), 2);
}
public void ZH_L16_AscendDecsendTest_NegativeFinishDepth_ThrowException()
{
Gas gas = new Gas(0.11, 0.79, 0.1);
ZH_L16 target = new ZH_L16();
target.ActiveGas = gas;
double start = 1;
double finish = -1;
double rate = 1;
Assert.Throws<ArgumentException>(() => target.AscendDecsend(start, finish, rate));
}
public DiveSegment(double depth, TimeSpan time, DiveState state, int startTime, int endTime, Gas gas, double cns,
double otu)
{
Depth = depth;
Time = time;
State = state;
StartTime = startTime;
EndTime = endTime;
CurrentGas = gas;
Otu = otu;
Cns = cns;
}
public static double ConstantDepth(Gas gas, double depth, double time)
{
if (depth < 0)
{
throw new ArgumentException("Depth need to be posetive");
}
if (time < 0)
{
throw new ArgumentException("Time need to be posetive");
}
double po2 = Calculations.PartialPressureofGas(gas.OxygenProcent, depth);
if (po2 <= 0.5)
{
return 0;
}
return Math.Round(time*Math.Pow((0.5/(po2 - 0.5)), (-5.0/6.0)), 2);
}
public static double AscendDescend(Gas gas, double startDepth, double finalDepth, double metersPerMinutes)
{
if (startDepth < 0)
{
throw new ArgumentException("Start depth need to be posetive");
}
if (finalDepth < 0)
{
throw new ArgumentException("Final depth need to be posetive");
}
if (metersPerMinutes <= 0)
{
throw new ArgumentException("Rate need to be posetive number above 0");
}
if (Math.Abs(startDepth - finalDepth) < 0.001)
{
return 0;
}
var depthDiff = Math.Abs(finalDepth - startDepth);
var totalTime = depthDiff / metersPerMinutes;
var timeAtDepth = totalTime / (depthDiff * 2);
var lowestDepth = finalDepth > startDepth ? finalDepth : startDepth;
var highestDepth = finalDepth > startDepth ? startDepth : finalDepth;
double cns = 0;
// calc for every half meter and sum
for (var depth = lowestDepth; depth > highestDepth; depth -= 0.5)
{
cns += ConstantDepth(gas, depth, timeAtDepth);
}
return cns;
}
public void CNS_AscendDescend(double startDepth, double finalDepth, double rate, double expectedResult)
{
Gas gas = new Gas(0.32, 0.68, 0);
var actual = Math.Round(CentralNervousSystem.AscendDescend(gas, startDepth, finalDepth, rate), 2);
Assert.Equal(expectedResult, actual);
}
public void OTU_AscendDescend_StayingAtTheSameDepth()
{
var gas = new Gas(0.32, 0.68, 0);
double startDepth = 10;
double finalDepth = 10;
double rate = 12;
double expected = 0;
double actual;
actual = Math.Round(OxygenToxicityUnit.AscendDescend(gas, startDepth, finalDepth, rate), 2);
Assert.Equal(expected, actual);
}
public WayPoint(double depth, double time, Gas gas)
{
Depth = depth;
Time = time;
Gas = gas;
}
public void OTU_ConstantDepth()
{
var gas = new Gas(0.32, 0.68, 0);
double depth = 36;
double time = 22;
var expected = 38.28;
double actual;
actual = Math.Round(OxygenToxicityUnit.ConstantDepth(gas, depth, time), 2);
Assert.Equal(expected, actual);
}
public void OTU_ConstantDepth_TimeNegative_ThrowsException()
{
var gas = new Gas(0.32, 0.68, 0);
double depth = 4;
double time = -22;
Assert.Throws<ArgumentException>(() => OxygenToxicityUnit.ConstantDepth(gas, depth, time));
}
public void OTU_ConstantDepth_TimeZero()
{
var gas = new Gas(0.32, 0.68, 0);
double depth = 4;
double time = 0;
double expected = 0;
double actual;
actual = Math.Round(OxygenToxicityUnit.ConstantDepth(gas, depth, time), 2);
Assert.Equal(expected, actual);
}
public void CNS_AscendDescend_StartDepthBiggerThanPoLowAndFinalDepthBiggerThanPoHighAndGoingDown()
{
Gas gas = new Gas(0.32, 0.68, 0);
double startDepth = 20;
double finalDepth = 30;
double rate = 10;
double expected = 0.43;
double actual;
actual = Math.Round(CentralNervousSystem.AscendDescend(gas, startDepth, finalDepth, rate), 2);
Assert.Equal(expected, actual);
}
public void CNS_ConstantDepth(double oxygenPart, double depth, double time, double expectedResult)
{
var gas = new Gas(oxygenPart, 1- oxygenPart, 0);
var actual = Math.Round(CentralNervousSystem.ConstantDepth(gas, depth, time), 2);
Assert.Equal(expectedResult, actual);
}
public void CNS_ConstantDepth_ToHighPo_ThrowException()
{
Gas gas = new Gas(0.32, 0.68, 0);
double depth = 50;
double time = 50;
Assert.Throws<ArgumentException>(() => CentralNervousSystem.ConstantDepth(gas, depth, time));
}
