static public void TestDoubledRoundtrip()
{
Hex a = new Hex(3, 4, -7);
DoubledCoord b = new DoubledCoord(1, -3);
Tests.EqualHex("conversion_roundtrip doubled-q", a, DoubledCoord.QdoubledFromCube(a).QdoubledToCube());
Tests.EqualDoubledcoord("conversion_roundtrip doubled-q", b, DoubledCoord.QdoubledFromCube(b.QdoubledToCube()));
Tests.EqualHex("conversion_roundtrip doubled-r", a, DoubledCoord.RdoubledFromCube(a).RdoubledToCube());
Tests.EqualDoubledcoord("conversion_roundtrip doubled-r", b, DoubledCoord.RdoubledFromCube(b.RdoubledToCube()));
}
static public void TestDoubledFromCube()
{
Tests.EqualDoubledcoord("doubled_from_cube doubled-q", new DoubledCoord(1, 5), DoubledCoord.QdoubledFromCube(new Hex(1, 2, -3)));
Tests.EqualDoubledcoord("doubled_from_cube doubled-r", new DoubledCoord(4, 2), DoubledCoord.RdoubledFromCube(new Hex(1, 2, -3)));
}