public void TestCollision9()
{
Game_object o = new Game_object(0, 0, 10, 10, 1, 1);
Assert.IsTrue(o.checkCollision(1, 1, 5, 5));
}
public void TestNotCollision()
{
Game_object o = new Game_object(0, 0, 10, 10, 1, 1);
Assert.IsFalse(o.checkCollision(11, 11, 5, 5));
}
public void TestCollision7()
{
Game_object o = new Game_object(0, 0, 10, 10, 1, 1);
Assert.IsFalse(o.checkCollision(0, -11, 10, 10));
}