static void Main(string[] args)
{
var canalGate = new CanalLock();
Console.WriteLine(canalGate);
canalGate.SetLowGate(open: true);
Console.WriteLine($"Open the lower gate: {canalGate}");
Console.WriteLine("Boat enters lock from lower gate");
canalGate.SetLowGate(open: false);
Console.WriteLine($"Close the lower gate: {canalGate}");
canalGate.SetWaterLevel(WaterLevel.High);
Console.WriteLine($"Raise the water level: {canalGate}");
Console.WriteLine(canalGate);
canalGate.SetHighGate(open: true);
Console.WriteLine($"Open the higher gate: {canalGate}");
Console.WriteLine("Boat exits lock at upper gate");
Console.WriteLine("Boat enters lock from upper gate");
canalGate.SetHighGate(open: false);
Console.WriteLine($"Close the higher gate: {canalGate}");
canalGate.SetWaterLevel(WaterLevel.Low);
Console.WriteLine($"Lower the water level: {canalGate}");
canalGate.SetLowGate(open: true);
Console.WriteLine($"Open the lower gate: {canalGate}");
Console.WriteLine("Boat exits lock at upper gate");
canalGate.SetLowGate(open: false);
Console.WriteLine($"Close the lower gate: {canalGate}");
Console.WriteLine("=============================================");
Console.WriteLine(" Test invalid commands");
try
{
canalGate = new CanalLock();
canalGate.SetHighGate(open: true);
}
catch (InvalidOperationException)
{
Console.WriteLine("Invalid operation: Can't open the high gate. Water is low.");
}
Console.WriteLine($"Try to open upper gate: {canalGate}");
Console.WriteLine();
Console.WriteLine();
try
{
canalGate = new CanalLock();
canalGate.SetWaterLevel(WaterLevel.High);
canalGate.SetLowGate(open: true);
}
catch (InvalidOperationException)
{
Console.WriteLine("invalid operation: Can't open the lower gate. Water is high.");
}
Console.WriteLine($"Try to open lower gate: {canalGate}");
// change water level with gate open (2 tests)
Console.WriteLine();
Console.WriteLine();
try
{
canalGate = new CanalLock();
canalGate.SetLowGate(open: true);
canalGate.SetWaterLevel(WaterLevel.High);
}
catch (InvalidOperationException)
{
Console.WriteLine("invalid operation: Can't raise water when the lower gate is open.");
}
Console.WriteLine($"Try to raise water with lower gate open: {canalGate}");
Console.WriteLine();
Console.WriteLine();
try
{
canalGate = new CanalLock();
canalGate.SetWaterLevel(WaterLevel.High);
canalGate.SetHighGate(open: true);
canalGate.SetWaterLevel(WaterLevel.Low);
}
catch (InvalidOperationException)
{
Console.WriteLine("invalid operation: Can't lower water when the high gate is open.");
}
Console.WriteLine($"Try to lower water with high gate open: {canalGate}");
}
static void Main(string[] args)
{
// <HappyTests>
// Create a new canal lock:
var canalGate = new CanalLock();
// State should be doors closed, water level low:
Console.WriteLine(canalGate);
canalGate.SetLowGate(open: true);
Console.WriteLine($"Open the lower gate: {canalGate}");
Console.WriteLine("Boat enters lock from lower gate");
canalGate.SetLowGate(open: false);
Console.WriteLine($"Close the lower gate: {canalGate}");
canalGate.SetWaterLevel(WaterLevel.High);
Console.WriteLine($"Raise the water level: {canalGate}");
canalGate.SetHighGate(open: true);
Console.WriteLine($"Open the higher gate: {canalGate}");
Console.WriteLine("Boat exits lock at upper gate");
Console.WriteLine("Boat enters lock from upper gate");
canalGate.SetHighGate(open: false);
Console.WriteLine($"Close the higher gate: {canalGate}");
canalGate.SetWaterLevel(WaterLevel.Low);
Console.WriteLine($"Lower the water level: {canalGate}");
canalGate.SetLowGate(open: true);
Console.WriteLine($"Open the lower gate: {canalGate}");
Console.WriteLine("Boat exits lock at upper gate");
canalGate.SetLowGate(open: false);
Console.WriteLine($"Close the lower gate: {canalGate}");
// </HappyTests>
// Failure tests:
// <HighGateSafetyTest>
Console.WriteLine("=============================================");
Console.WriteLine(" Test invalid commands");
// Open "wrong" gate (2 tests)
try
{
canalGate = new CanalLock();
canalGate.SetHighGate(open: true);
}
catch (InvalidOperationException)
{
Console.WriteLine("Invalid operation: Can't open the high gate. Water is low.");
}
Console.WriteLine($"Try to open upper gate: {canalGate}");
// </HighGateSafetyTest>
// <FinalTestCode>
Console.WriteLine();
Console.WriteLine();
try
{
canalGate = new CanalLock();
canalGate.SetWaterLevel(WaterLevel.High);
canalGate.SetLowGate(open: true);
}
catch (InvalidOperationException)
{
Console.WriteLine("invalid operation: Can't open the lower gate. Water is high.");
}
Console.WriteLine($"Try to open lower gate: {canalGate}");
// change water level with gate open (2 tests)
Console.WriteLine();
Console.WriteLine();
try
{
canalGate = new CanalLock();
canalGate.SetLowGate(open: true);
canalGate.SetWaterLevel(WaterLevel.High);
}
catch (InvalidOperationException)
{
Console.WriteLine("invalid operation: Can't raise water when the lower gate is open.");
}
Console.WriteLine($"Try to raise water with lower gate open: {canalGate}");
Console.WriteLine();
Console.WriteLine();
try
{
canalGate = new CanalLock();
canalGate.SetWaterLevel(WaterLevel.High);
canalGate.SetHighGate(open: true);
canalGate.SetWaterLevel(WaterLevel.Low);
}
catch (InvalidOperationException)
{
Console.WriteLine("invalid operation: Can't lower water when the high gate is open.");
}
Console.WriteLine($"Try to lower water with high gate open: {canalGate}");
// </FinalTestCode>
}