public void TestGetPair()
{
var system = new JupiterSystem(@"<x=-1, y=0, z=2>
<x=2, y=-10, z=-7>
<x=4, y=-8, z=8>
<x=3, y=5, z=-1>");
Assert.Equal(6, system.GetPairs().Count());
}
public void TestOneStep()
{
//System.Diagnostics.Debugger.Launch();
var system = new JupiterSystem(@"<x=-1, y=0, z=2>
<x=2, y=-10, z=-7>
<x=4, y=-8, z=8>
<x=3, y=5, z=-1>");
system.SimulateTimeStep();
Assert.Equal(new[] {
Moon.ParseInput("pos=<x= 2, y=-1, z= 1>, vel=<x= 3, y=-1, z=-1>"),
Moon.ParseInput("pos=<x= 3, y=-7, z=-4>, vel=<x= 1, y= 3, z= 3>"),
Moon.ParseInput("pos=<x= 1, y=-7, z= 5>, vel=<x=-3, y= 1, z=-3>"),
Moon.ParseInput("pos=<x= 2, y= 2, z= 0>, vel=<x=-1, y=-3, z= 1>")
}, system.Moons);
}
public void TestSimulation()
{
//System.Diagnostics.Debugger.Launch();
var system = new JupiterSystem(@"<x=-1, y=0, z=2>
<x=2, y=-10, z=-7>
<x=4, y=-8, z=8>
<x=3, y=5, z=-1>");
system.SimulateTimeStep(10);
Assert.Equal(new[] {
Moon.ParseInput("pos=<x= 2, y= 1, z=-3>, vel=<x=-3, y=-2, z= 1>"),
Moon.ParseInput("pos=<x= 1, y=-8, z= 0>, vel=<x=-1, y= 1, z= 3>"),
Moon.ParseInput("pos=<x= 3, y=-6, z= 1>, vel=<x= 3, y= 2, z=-3>"),
Moon.ParseInput("pos=<x= 2, y= 0, z= 4>, vel=<x= 1, y=-1, z=-1>")
}, system.Moons);
Assert.Equal(179, system.GetTotalEnergy());
}
public void TestGravity(int d1, int d2, int vd1, int vd2, int nv1, int nv2)
{
JupiterSystem.ApplyGravity(d1, d2, ref vd1, ref vd2);
Assert.Equal(nv1, vd1);
Assert.Equal(nv2, vd2);
}
