package main

import "testing"

type highestTest struct {
	bank                    string
	start                   int
	end                     int
	expected, expectedIndex int
}

var highestTests = []highestTest{
	{"999", 0, 3, 9, 0},
	{"919", 0, 3, 9, 0},
	{"919", 1, 3, 9, 2},
	{"818181911112111", 0, 4, 8, 0},
	{"818181911112111", 1, 5, 8, 2},
	{"818181911112111", 3, 6, 8, 4},
	{"818181911112111", 5, 7, 9, 6},
}

func TestHhigest(t *testing.T) {
	for _, test := range highestTests {
		highest, index := highestEarly(parseBank(test.bank), test.start, test.end)

		if highest != test.expected {
			t.Errorf("Expected %d got %d for bank %v", test.expected, highest, test.bank)
		}

		if index != test.expectedIndex {
			t.Errorf("Expected %d got %d for bank %v", test.expectedIndex, index, test.bank)
		}
	}
}

type joltageTest struct {
	bank     string
	expected int
}

var joltageTests = []joltageTest{
	{"987654321111111", 987654321111},
	{"811111111111119", 811111111119},
	{"234234234234278", 434234234278},
	{"818181911112111", 888911112111},
}

func TestJoltage(t *testing.T) {
	for _, test := range joltageTests {
		out := _joltage(parseBank(test.bank))

		if out != test.expected {
			t.Errorf("Expected %d got %d for bank %v", test.expected, out, test.bank)
		}
	}
}