public void hit_decreases_hp_properly()
{
var tank = new Tank();
var initialHealth = tank.Health;
tank.Hit(10);
Assert.AreEqual(initialHealth-10, tank.Health);
}
public void bullet_fired_event_is_fired()
{
var tank = new Tank();
var firedGuid = Guid.Empty;
tank.BulletFired += (sender, guid) => firedGuid = guid;
tank.Fire();
Assert.AreNotEqual(Guid.Empty, firedGuid);
}
public void firing_with_no_bullets_does_not_throw()
{
var tank = new Tank();
var numBullets = tank.Bullets.Count;
for (int i = 0; i <= numBullets; i++)
{
Assert.DoesNotThrow(() => tank.Fire());
}
Assert.AreEqual(0, tank.Bullets.Count);
}
public void fired_bullet_removed_from_stack()
{
var tank = new Tank();
var firedGuid = Guid.Empty;
tank.BulletFired += (sender, guid) => firedGuid = guid;
tank.Fire();
if(tank.Bullets.GroupBy(b => b.SerialNumber).Any(g => g.Count() > 1))
{
Assert.Inconclusive("Duplicate guids!");
//Let me know if you get this! Pic or didn't happen!
}
Assert.AreNotEqual(Guid.Empty, firedGuid);
Assert.That(tank.Bullets.All(b => b.SerialNumber != firedGuid));
}
public void Repair(Tank tank)
{
if (tank.IsGoodTank)
{
throw new Exception("Cannot fix good tank");
}
if (tank.IsDestroyed)
{
throw new Exception("Cannot fix destroyed tank!");
}
if (tank.IsBroken)
{
tank.Health = 100;
}
}
public void hit_received_is_fired()
{
var tank = new Tank();
bool eventFired = false;
int healthAfterHit = 0;
tank.HitReceived += (sender, currentHealth) =>
{
eventFired = true;
healthAfterHit = currentHealth;
};
var initialHealth = tank.Health;
const int hitVal = 50;
tank.Hit(hitVal);
Assert.That(eventFired);
Assert.AreEqual(initialHealth-hitVal, healthAfterHit);
}
public void cannot_fix_tank_with_hp_less_than_1()
{
var tank = new Tank();
tank.Hit(tank.Health);
Assert.Throws<Exception>(() => _mechanic.Repair(tank));
}
public void cannot_fix_good_tank()
{
var tank = new Tank();
Assert.Throws<Exception>(() => { _mechanic.Repair(tank); });
}
public void no_unidentified_bullets()
{
var tank = new Tank();
Assert.That(tank.AllBulletsPassTest(b => b.SerialNumber != Guid.Empty));
}
public void hp_equals_100_after_repairs()
{
var tank = new Tank();
tank.Hit(96);
_mechanic.Repair(tank);
Assert.AreEqual(100, tank.Health);
}
public void hp_cannot_be_negative()
{
var tank = new Tank();
Assert.Throws<Exception>(() => tank.Hit(tank.Health*2));
}