package main import ( "testing" ) var example = `addx 15 addx -11 addx 6 addx -3 addx 5 addx -1 addx -8 addx 13 addx 4 noop addx -1 addx 5 addx -1 addx 5 addx -1 addx 5 addx -1 addx 5 addx -1 addx -35 addx 1 addx 24 addx -19 addx 1 addx 16 addx -11 noop noop addx 21 addx -15 noop noop addx -3 addx 9 addx 1 addx -3 addx 8 addx 1 addx 5 noop noop noop noop noop addx -36 noop addx 1 addx 7 noop noop noop addx 2 addx 6 noop noop noop noop noop addx 1 noop noop addx 7 addx 1 noop addx -13 addx 13 addx 7 noop addx 1 addx -33 noop noop noop addx 2 noop noop noop addx 8 noop addx -1 addx 2 addx 1 noop addx 17 addx -9 addx 1 addx 1 addx -3 addx 11 noop noop addx 1 noop addx 1 noop noop addx -13 addx -19 addx 1 addx 3 addx 26 addx -30 addx 12 addx -1 addx 3 addx 1 noop noop noop addx -9 addx 18 addx 1 addx 2 noop noop addx 9 noop noop noop addx -1 addx 2 addx -37 addx 1 addx 3 noop addx 15 addx -21 addx 22 addx -6 addx 1 noop addx 2 addx 1 noop addx -10 noop noop addx 20 addx 1 addx 2 addx 2 addx -6 addx -11 noop noop noop` func Test_part1(t *testing.T) { tests := []struct { name string input string want int }{ { name: "example", input: example, want: 13140, }, { name: "actual", input: input, want: 15880, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { if got := part1(tt.input); got != tt.want { t.Errorf("part1() = %v, want %v", got, tt.want) } }) } } func Test_part2(t *testing.T) { tests := []struct { name string input string want string }{ { name: "example", input: example, want: `##..##..##..##..##..##..##..##..##..##.. ###...###...###...###...###...###...###. ####....####....####....####....####.... #####.....#####.....#####.....#####..... ######......######......######......#### #######.......#######.......#######..... `, }, { name: "actual", input: input, want: `###..#.....##..####.#..#..##..####..##.. #..#.#....#..#.#....#.#..#..#....#.#..#. #..#.#....#....###..##...#..#...#..#.... ###..#....#.##.#....#.#..####..#...#.##. #....#....#..#.#....#.#..#..#.#....#..#. #....####..###.#....#..#.#..#.####..###. `, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { if got := part2(tt.input); got != tt.want { t.Errorf("part2() = %v, want %v", got, tt.want) } }) } }