public void SteerTheShip_Steer_NiceAngles()
{
// q1
Assert.IsTrue(SteerTheShip.Steer(0, 1) == "R: 0" || SteerTheShip.Steer(0, 1) == "L: 0");
Assert.AreEqual("R: 30", SteerTheShip.Steer(1, Math.Sqrt(3)));
Assert.AreEqual("R: 45", SteerTheShip.Steer(1, 1));
Assert.AreEqual("R: 60", SteerTheShip.Steer(Math.Sqrt(3), 1));
// q2
Assert.AreEqual("R: 90", SteerTheShip.Steer(1, 0));
Assert.AreEqual("R: 120", SteerTheShip.Steer(Math.Sqrt(3), -1));
Assert.AreEqual("R: 135", SteerTheShip.Steer(1, -1));
Assert.AreEqual("R: 150", SteerTheShip.Steer(1, -Math.Sqrt(3)));
// q3
Assert.IsTrue(SteerTheShip.Steer(0, -1) == "R: 180" || SteerTheShip.Steer(0, -1) == "L: 180");
Assert.AreEqual("L: 150", SteerTheShip.Steer(-1, -Math.Sqrt(3)));
Assert.AreEqual("L: 135", SteerTheShip.Steer(-1, -1));
Assert.AreEqual("L: 120", SteerTheShip.Steer(-Math.Sqrt(3), -1));
// q4
Assert.AreEqual("L: 90", SteerTheShip.Steer(-1, 0));
Assert.AreEqual("L: 60", SteerTheShip.Steer(-Math.Sqrt(3), 1));
Assert.AreEqual("L: 45", SteerTheShip.Steer(-1, 1));
Assert.AreEqual("L: 30", SteerTheShip.Steer(-1, Math.Sqrt(3)));
}
public void SteerTheShip_Steer_ExampleTestCases()
{
Assert.AreEqual("R: 45", SteerTheShip.Steer(1, 1));
Assert.AreEqual("R: 90", SteerTheShip.Steer(1, 0));
Assert.AreEqual("L: 30", SteerTheShip.Steer(-1, Math.Sqrt(3)));
Assert.IsTrue(SteerTheShip.Steer(0, 1) == "R: 0" || SteerTheShip.Steer(0, 1) == "L: 0");
Assert.IsTrue(SteerTheShip.Steer(0, -1) == "R: 180" || SteerTheShip.Steer(0, -1) == "L: 180");
}
public void SteerTheShip_Steer_LotsOfCoords()
{
for (var y = -100; y <= 100; y++)
{
for (var x = -100; x <= 100; x++)
{
if (x == 0)
{
continue;
}
Assert.AreEqual(MySteer(x, y), SteerTheShip.Steer(x, y));
}
}
}
public void SteerTheShip_Steer_RandomCoords()
{
var random = new Random();
for (var i = 0; i < 100; i++)
{
var x = GetRandomDouble(random);
var y = GetRandomDouble(random);
while (x == 0)
{
x = GetRandomDouble(random);
}
Assert.AreEqual(MySteer(x, y), SteerTheShip.Steer(x, y));
}
}