public void First_two_verses()
    {
        var expected =
            "99 bottles of beer on the wall, 99 bottles of beer.\n" +
            "Take one down and pass it around, 98 bottles of beer on the wall.\n" +
            "\n" +
            "98 bottles of beer on the wall, 98 bottles of beer.\n" +
            "Take one down and pass it around, 97 bottles of beer on the wall.\n" +
            "";

        Assert.Equal(expected, BeerSong.Verses(99, 98));
    }
    public void Last_three_verses()
    {
        var expected =
            "2 bottles of beer on the wall, 2 bottles of beer.\n" +
            "Take one down and pass it around, 1 bottle of beer on the wall.\n" +
            "\n" +
            "1 bottle of beer on the wall, 1 bottle of beer.\n" +
            "Take it down and pass it around, no more bottles of beer on the wall.\n" +
            "\n" +
            "No more bottles of beer on the wall, no more bottles of beer.\n" +
            "Go to the store and buy some more, 99 bottles of beer on the wall.\n" +
            "";

        Assert.Equal(expected, BeerSong.Verses(2, 0));
    }
    public void All_verses()
    {
        var expected =
            "99 bottles of beer on the wall, 99 bottles of beer.\n" +
            "Take one down and pass it around, 98 bottles of beer on the wall.\n" +
            "\n" +
            "98 bottles of beer on the wall, 98 bottles of beer.\n" +
            "Take one down and pass it around, 97 bottles of beer on the wall.\n" +
            "\n" +
            "97 bottles of beer on the wall, 97 bottles of beer.\n" +
            "Take one down and pass it around, 96 bottles of beer on the wall.\n" +
            "\n" +
            "96 bottles of beer on the wall, 96 bottles of beer.\n" +
            "Take one down and pass it around, 95 bottles of beer on the wall.\n" +
            "\n" +
            "95 bottles of beer on the wall, 95 bottles of beer.\n" +
            "Take one down and pass it around, 94 bottles of beer on the wall.\n" +
            "\n" +
            "94 bottles of beer on the wall, 94 bottles of beer.\n" +
            "Take one down and pass it around, 93 bottles of beer on the wall.\n" +
            "\n" +
            "93 bottles of beer on the wall, 93 bottles of beer.\n" +
            "Take one down and pass it around, 92 bottles of beer on the wall.\n" +
            "\n" +
            "92 bottles of beer on the wall, 92 bottles of beer.\n" +
            "Take one down and pass it around, 91 bottles of beer on the wall.\n" +
            "\n" +
            "91 bottles of beer on the wall, 91 bottles of beer.\n" +
            "Take one down and pass it around, 90 bottles of beer on the wall.\n" +
            "\n" +
            "90 bottles of beer on the wall, 90 bottles of beer.\n" +
            "Take one down and pass it around, 89 bottles of beer on the wall.\n" +
            "\n" +
            "89 bottles of beer on the wall, 89 bottles of beer.\n" +
            "Take one down and pass it around, 88 bottles of beer on the wall.\n" +
            "\n" +
            "88 bottles of beer on the wall, 88 bottles of beer.\n" +
            "Take one down and pass it around, 87 bottles of beer on the wall.\n" +
            "\n" +
            "87 bottles of beer on the wall, 87 bottles of beer.\n" +
            "Take one down and pass it around, 86 bottles of beer on the wall.\n" +
            "\n" +
            "86 bottles of beer on the wall, 86 bottles of beer.\n" +
            "Take one down and pass it around, 85 bottles of beer on the wall.\n" +
            "\n" +
            "85 bottles of beer on the wall, 85 bottles of beer.\n" +
            "Take one down and pass it around, 84 bottles of beer on the wall.\n" +
            "\n" +
            "84 bottles of beer on the wall, 84 bottles of beer.\n" +
            "Take one down and pass it around, 83 bottles of beer on the wall.\n" +
            "\n" +
            "83 bottles of beer on the wall, 83 bottles of beer.\n" +
            "Take one down and pass it around, 82 bottles of beer on the wall.\n" +
            "\n" +
            "82 bottles of beer on the wall, 82 bottles of beer.\n" +
            "Take one down and pass it around, 81 bottles of beer on the wall.\n" +
            "\n" +
            "81 bottles of beer on the wall, 81 bottles of beer.\n" +
            "Take one down and pass it around, 80 bottles of beer on the wall.\n" +
            "\n" +
            "80 bottles of beer on the wall, 80 bottles of beer.\n" +
            "Take one down and pass it around, 79 bottles of beer on the wall.\n" +
            "\n" +
            "79 bottles of beer on the wall, 79 bottles of beer.\n" +
            "Take one down and pass it around, 78 bottles of beer on the wall.\n" +
            "\n" +
            "78 bottles of beer on the wall, 78 bottles of beer.\n" +
            "Take one down and pass it around, 77 bottles of beer on the wall.\n" +
            "\n" +
            "77 bottles of beer on the wall, 77 bottles of beer.\n" +
            "Take one down and pass it around, 76 bottles of beer on the wall.\n" +
            "\n" +
            "76 bottles of beer on the wall, 76 bottles of beer.\n" +
            "Take one down and pass it around, 75 bottles of beer on the wall.\n" +
            "\n" +
            "75 bottles of beer on the wall, 75 bottles of beer.\n" +
            "Take one down and pass it around, 74 bottles of beer on the wall.\n" +
            "\n" +
            "74 bottles of beer on the wall, 74 bottles of beer.\n" +
            "Take one down and pass it around, 73 bottles of beer on the wall.\n" +
            "\n" +
            "73 bottles of beer on the wall, 73 bottles of beer.\n" +
            "Take one down and pass it around, 72 bottles of beer on the wall.\n" +
            "\n" +
            "72 bottles of beer on the wall, 72 bottles of beer.\n" +
            "Take one down and pass it around, 71 bottles of beer on the wall.\n" +
            "\n" +
            "71 bottles of beer on the wall, 71 bottles of beer.\n" +
            "Take one down and pass it around, 70 bottles of beer on the wall.\n" +
            "\n" +
            "70 bottles of beer on the wall, 70 bottles of beer.\n" +
            "Take one down and pass it around, 69 bottles of beer on the wall.\n" +
            "\n" +
            "69 bottles of beer on the wall, 69 bottles of beer.\n" +
            "Take one down and pass it around, 68 bottles of beer on the wall.\n" +
            "\n" +
            "68 bottles of beer on the wall, 68 bottles of beer.\n" +
            "Take one down and pass it around, 67 bottles of beer on the wall.\n" +
            "\n" +
            "67 bottles of beer on the wall, 67 bottles of beer.\n" +
            "Take one down and pass it around, 66 bottles of beer on the wall.\n" +
            "\n" +
            "66 bottles of beer on the wall, 66 bottles of beer.\n" +
            "Take one down and pass it around, 65 bottles of beer on the wall.\n" +
            "\n" +
            "65 bottles of beer on the wall, 65 bottles of beer.\n" +
            "Take one down and pass it around, 64 bottles of beer on the wall.\n" +
            "\n" +
            "64 bottles of beer on the wall, 64 bottles of beer.\n" +
            "Take one down and pass it around, 63 bottles of beer on the wall.\n" +
            "\n" +
            "63 bottles of beer on the wall, 63 bottles of beer.\n" +
            "Take one down and pass it around, 62 bottles of beer on the wall.\n" +
            "\n" +
            "62 bottles of beer on the wall, 62 bottles of beer.\n" +
            "Take one down and pass it around, 61 bottles of beer on the wall.\n" +
            "\n" +
            "61 bottles of beer on the wall, 61 bottles of beer.\n" +
            "Take one down and pass it around, 60 bottles of beer on the wall.\n" +
            "\n" +
            "60 bottles of beer on the wall, 60 bottles of beer.\n" +
            "Take one down and pass it around, 59 bottles of beer on the wall.\n" +
            "\n" +
            "59 bottles of beer on the wall, 59 bottles of beer.\n" +
            "Take one down and pass it around, 58 bottles of beer on the wall.\n" +
            "\n" +
            "58 bottles of beer on the wall, 58 bottles of beer.\n" +
            "Take one down and pass it around, 57 bottles of beer on the wall.\n" +
            "\n" +
            "57 bottles of beer on the wall, 57 bottles of beer.\n" +
            "Take one down and pass it around, 56 bottles of beer on the wall.\n" +
            "\n" +
            "56 bottles of beer on the wall, 56 bottles of beer.\n" +
            "Take one down and pass it around, 55 bottles of beer on the wall.\n" +
            "\n" +
            "55 bottles of beer on the wall, 55 bottles of beer.\n" +
            "Take one down and pass it around, 54 bottles of beer on the wall.\n" +
            "\n" +
            "54 bottles of beer on the wall, 54 bottles of beer.\n" +
            "Take one down and pass it around, 53 bottles of beer on the wall.\n" +
            "\n" +
            "53 bottles of beer on the wall, 53 bottles of beer.\n" +
            "Take one down and pass it around, 52 bottles of beer on the wall.\n" +
            "\n" +
            "52 bottles of beer on the wall, 52 bottles of beer.\n" +
            "Take one down and pass it around, 51 bottles of beer on the wall.\n" +
            "\n" +
            "51 bottles of beer on the wall, 51 bottles of beer.\n" +
            "Take one down and pass it around, 50 bottles of beer on the wall.\n" +
            "\n" +
            "50 bottles of beer on the wall, 50 bottles of beer.\n" +
            "Take one down and pass it around, 49 bottles of beer on the wall.\n" +
            "\n" +
            "49 bottles of beer on the wall, 49 bottles of beer.\n" +
            "Take one down and pass it around, 48 bottles of beer on the wall.\n" +
            "\n" +
            "48 bottles of beer on the wall, 48 bottles of beer.\n" +
            "Take one down and pass it around, 47 bottles of beer on the wall.\n" +
            "\n" +
            "47 bottles of beer on the wall, 47 bottles of beer.\n" +
            "Take one down and pass it around, 46 bottles of beer on the wall.\n" +
            "\n" +
            "46 bottles of beer on the wall, 46 bottles of beer.\n" +
            "Take one down and pass it around, 45 bottles of beer on the wall.\n" +
            "\n" +
            "45 bottles of beer on the wall, 45 bottles of beer.\n" +
            "Take one down and pass it around, 44 bottles of beer on the wall.\n" +
            "\n" +
            "44 bottles of beer on the wall, 44 bottles of beer.\n" +
            "Take one down and pass it around, 43 bottles of beer on the wall.\n" +
            "\n" +
            "43 bottles of beer on the wall, 43 bottles of beer.\n" +
            "Take one down and pass it around, 42 bottles of beer on the wall.\n" +
            "\n" +
            "42 bottles of beer on the wall, 42 bottles of beer.\n" +
            "Take one down and pass it around, 41 bottles of beer on the wall.\n" +
            "\n" +
            "41 bottles of beer on the wall, 41 bottles of beer.\n" +
            "Take one down and pass it around, 40 bottles of beer on the wall.\n" +
            "\n" +
            "40 bottles of beer on the wall, 40 bottles of beer.\n" +
            "Take one down and pass it around, 39 bottles of beer on the wall.\n" +
            "\n" +
            "39 bottles of beer on the wall, 39 bottles of beer.\n" +
            "Take one down and pass it around, 38 bottles of beer on the wall.\n" +
            "\n" +
            "38 bottles of beer on the wall, 38 bottles of beer.\n" +
            "Take one down and pass it around, 37 bottles of beer on the wall.\n" +
            "\n" +
            "37 bottles of beer on the wall, 37 bottles of beer.\n" +
            "Take one down and pass it around, 36 bottles of beer on the wall.\n" +
            "\n" +
            "36 bottles of beer on the wall, 36 bottles of beer.\n" +
            "Take one down and pass it around, 35 bottles of beer on the wall.\n" +
            "\n" +
            "35 bottles of beer on the wall, 35 bottles of beer.\n" +
            "Take one down and pass it around, 34 bottles of beer on the wall.\n" +
            "\n" +
            "34 bottles of beer on the wall, 34 bottles of beer.\n" +
            "Take one down and pass it around, 33 bottles of beer on the wall.\n" +
            "\n" +
            "33 bottles of beer on the wall, 33 bottles of beer.\n" +
            "Take one down and pass it around, 32 bottles of beer on the wall.\n" +
            "\n" +
            "32 bottles of beer on the wall, 32 bottles of beer.\n" +
            "Take one down and pass it around, 31 bottles of beer on the wall.\n" +
            "\n" +
            "31 bottles of beer on the wall, 31 bottles of beer.\n" +
            "Take one down and pass it around, 30 bottles of beer on the wall.\n" +
            "\n" +
            "30 bottles of beer on the wall, 30 bottles of beer.\n" +
            "Take one down and pass it around, 29 bottles of beer on the wall.\n" +
            "\n" +
            "29 bottles of beer on the wall, 29 bottles of beer.\n" +
            "Take one down and pass it around, 28 bottles of beer on the wall.\n" +
            "\n" +
            "28 bottles of beer on the wall, 28 bottles of beer.\n" +
            "Take one down and pass it around, 27 bottles of beer on the wall.\n" +
            "\n" +
            "27 bottles of beer on the wall, 27 bottles of beer.\n" +
            "Take one down and pass it around, 26 bottles of beer on the wall.\n" +
            "\n" +
            "26 bottles of beer on the wall, 26 bottles of beer.\n" +
            "Take one down and pass it around, 25 bottles of beer on the wall.\n" +
            "\n" +
            "25 bottles of beer on the wall, 25 bottles of beer.\n" +
            "Take one down and pass it around, 24 bottles of beer on the wall.\n" +
            "\n" +
            "24 bottles of beer on the wall, 24 bottles of beer.\n" +
            "Take one down and pass it around, 23 bottles of beer on the wall.\n" +
            "\n" +
            "23 bottles of beer on the wall, 23 bottles of beer.\n" +
            "Take one down and pass it around, 22 bottles of beer on the wall.\n" +
            "\n" +
            "22 bottles of beer on the wall, 22 bottles of beer.\n" +
            "Take one down and pass it around, 21 bottles of beer on the wall.\n" +
            "\n" +
            "21 bottles of beer on the wall, 21 bottles of beer.\n" +
            "Take one down and pass it around, 20 bottles of beer on the wall.\n" +
            "\n" +
            "20 bottles of beer on the wall, 20 bottles of beer.\n" +
            "Take one down and pass it around, 19 bottles of beer on the wall.\n" +
            "\n" +
            "19 bottles of beer on the wall, 19 bottles of beer.\n" +
            "Take one down and pass it around, 18 bottles of beer on the wall.\n" +
            "\n" +
            "18 bottles of beer on the wall, 18 bottles of beer.\n" +
            "Take one down and pass it around, 17 bottles of beer on the wall.\n" +
            "\n" +
            "17 bottles of beer on the wall, 17 bottles of beer.\n" +
            "Take one down and pass it around, 16 bottles of beer on the wall.\n" +
            "\n" +
            "16 bottles of beer on the wall, 16 bottles of beer.\n" +
            "Take one down and pass it around, 15 bottles of beer on the wall.\n" +
            "\n" +
            "15 bottles of beer on the wall, 15 bottles of beer.\n" +
            "Take one down and pass it around, 14 bottles of beer on the wall.\n" +
            "\n" +
            "14 bottles of beer on the wall, 14 bottles of beer.\n" +
            "Take one down and pass it around, 13 bottles of beer on the wall.\n" +
            "\n" +
            "13 bottles of beer on the wall, 13 bottles of beer.\n" +
            "Take one down and pass it around, 12 bottles of beer on the wall.\n" +
            "\n" +
            "12 bottles of beer on the wall, 12 bottles of beer.\n" +
            "Take one down and pass it around, 11 bottles of beer on the wall.\n" +
            "\n" +
            "11 bottles of beer on the wall, 11 bottles of beer.\n" +
            "Take one down and pass it around, 10 bottles of beer on the wall.\n" +
            "\n" +
            "10 bottles of beer on the wall, 10 bottles of beer.\n" +
            "Take one down and pass it around, 9 bottles of beer on the wall.\n" +
            "\n" +
            "9 bottles of beer on the wall, 9 bottles of beer.\n" +
            "Take one down and pass it around, 8 bottles of beer on the wall.\n" +
            "\n" +
            "8 bottles of beer on the wall, 8 bottles of beer.\n" +
            "Take one down and pass it around, 7 bottles of beer on the wall.\n" +
            "\n" +
            "7 bottles of beer on the wall, 7 bottles of beer.\n" +
            "Take one down and pass it around, 6 bottles of beer on the wall.\n" +
            "\n" +
            "6 bottles of beer on the wall, 6 bottles of beer.\n" +
            "Take one down and pass it around, 5 bottles of beer on the wall.\n" +
            "\n" +
            "5 bottles of beer on the wall, 5 bottles of beer.\n" +
            "Take one down and pass it around, 4 bottles of beer on the wall.\n" +
            "\n" +
            "4 bottles of beer on the wall, 4 bottles of beer.\n" +
            "Take one down and pass it around, 3 bottles of beer on the wall.\n" +
            "\n" +
            "3 bottles of beer on the wall, 3 bottles of beer.\n" +
            "Take one down and pass it around, 2 bottles of beer on the wall.\n" +
            "\n" +
            "2 bottles of beer on the wall, 2 bottles of beer.\n" +
            "Take one down and pass it around, 1 bottle of beer on the wall.\n" +
            "\n" +
            "1 bottle of beer on the wall, 1 bottle of beer.\n" +
            "Take it down and pass it around, no more bottles of beer on the wall.\n" +
            "\n" +
            "No more bottles of beer on the wall, no more bottles of beer.\n" +
            "Go to the store and buy some more, 99 bottles of beer on the wall.\n" +
            "";

        Assert.Equal(expected, BeerSong.Verses(99, 0));
    }