public void RunOutOfEnergy()
{
var game = new Game();
var system = new StarSystem();
system.RandomlySpawnEnemies = false;
game.Add(system);
var ship = new Ship();
system.AddEntity(ship);
ship.ShieldsEngaged = false;
ship.ImpulsePercentage = 100;
Assert.IsTrue(ship.Energy > 0, "Ship didn't have any energy");
var oldVelocity = ship.Velocity;
Assert.AreEqual(0, ship.Velocity.Magnitude(), "Ship should be at rest at first");
for (int i = 0; i < 200; i++)
{
game.Update(TimeSpan.FromSeconds(0.25));
game.Update(TimeSpan.FromSeconds(0.25));
game.Update(TimeSpan.FromSeconds(0.25));
game.Update(TimeSpan.FromSeconds(0.25));
Assert.IsTrue(oldVelocity.Magnitude() < ship.Velocity.Magnitude(), "The ship didn't increase in speed");
oldVelocity = ship.Velocity;
}
Assert.AreEqual(0, ship.Energy, "The ship didn't run out of energy");
ship.Update(TimeSpan.FromSeconds(1));
Assert.AreEqual(oldVelocity, ship.Velocity, "The ship should not have been able to increase it's velocity without energy.");
}
