public void Test_BalanceOneLevel()
{
Node root = new Node {
Weight = 1, TotalWeight = 3, Id = "A"
};
root.Children.Add(new Node {
Weight = 1, TotalWeight = 1, Id = "AA"
});
root.Children.Add(new Node {
Weight = 1, TotalWeight = 1, Id = "AB"
});
root.Children.Add(new Node {
Weight = 0, TotalWeight = 0, Id = "AC"
});
var result = AdventOfCode2017Day7.Balance(root);
Assert.AreEqual(1, result.Count);
Assert.AreEqual("AC", result.First().Id);
Assert.AreEqual(1, result.First().BalancedWidth);
Assert.AreEqual(1, result.First().Weight);
Assert.AreEqual(1, result.First().TotalWeight);
Assert.AreEqual(4, root.TotalWeight);
}
public void Test_BalanceSecondOfThreeLevels()
{
Node root = new Node {
Weight = 1, TotalWeight = 39, Id = "A"
};
root.Children.Add(new Node {
Weight = 13, TotalWeight = 13, Id = "AA"
});
root.Children.Add(new Node {
Weight = 13, TotalWeight = 13, Id = "AB"
});
Node ac = new Node {
Weight = 1, TotalWeight = 12, Id = "AC"
};
root.Children.Add(ac);
ac.Children.Add(new Node {
Weight = 4, TotalWeight = 4, Id = "ACA"
});
ac.Children.Add(new Node {
Weight = 4, TotalWeight = 4, Id = "ACB"
});
Node acc = new Node {
Weight = 0, TotalWeight = 3, Id = "ACC"
};
ac.Children.Add(acc);
acc.Children.Add(new Node {
Weight = 1, TotalWeight = 1, Id = "ACCA"
});
acc.Children.Add(new Node {
Weight = 1, TotalWeight = 1, Id = "ACCB"
});
acc.Children.Add(new Node {
Weight = 1, TotalWeight = 1, Id = "ACCC"
});
var result = AdventOfCode2017Day7.Balance(root);
Assert.AreEqual(1, result.Count);
Assert.AreEqual("ACC", result.First().Id);
Assert.AreEqual(1, result.First().BalancedWidth);
Assert.AreEqual(1, result.First().Weight);
Assert.AreEqual(4, result.First().TotalWeight);
Assert.AreEqual(13, ac.TotalWeight);
Assert.AreEqual(40, root.TotalWeight);
}
public void Test_BalanceSingleNode()
{
Node root = new Node {
Weight = 1, TotalWeight = 1
};
var result = AdventOfCode2017Day7.Balance(root);
Assert.AreEqual(0, result.Count);
result = AdventOfCode2017Day7.Balance(root, 2);
Assert.AreEqual(1, result.Count);
Assert.AreEqual(2, result.First().BalancedWidth);
Assert.AreEqual(3, result.First().Weight);
Assert.AreEqual(3, result.First().TotalWeight);
}
