beer-song: Adding beer song problem

config.json

@@ -41,7 +41,8 @@
     "simple-linked-list",
     "linked-list",
     "nth-prime",
-    "pascals-triangle"
+    "pascals-triangle",
+    "beer-song"
   ],
   "deprecated": [
   ],

exercises/beer-song/build.gradle

@@ -0,0 +1,11 @@
+apply plugin: "java"
+apply plugin: "eclipse"
+apply plugin: "idea"
+
+repositories {
+  mavenCentral()
+}
+
+dependencies {
+  testCompile "junit:junit:4.10"
+}

exercises/beer-song/src/example/java/BeerSong.java

@@ -0,0 +1,31 @@
+public class BeerSong {
+    public static String verse(int number)
+    {
+        switch (number)
+        {
+            case 0:
+                return "No more bottles of beer on the wall, no more bottles of beer.\nGo to the store and buy some more, 99 bottles of beer on the wall.\n\n";
+            case 1:
+                return "1 bottle of beer on the wall, 1 bottle of beer.\nTake it down and pass it around, no more bottles of beer on the wall.\n\n";
+            case 2:
+                return "2 bottles of beer on the wall, 2 bottles of beer.\nTake one down and pass it around, 1 bottle of beer on the wall.\n\n";
+            default:
+                return String.format("%d bottles of beer on the wall, %d bottles of beer.\nTake one down and pass it around, %d bottles of beer on the wall.\n\n", number, number, number - 1);
+        }
+    }
+
+    public static String sing(int start, int stop)
+    {
+        StringBuilder songOutput = new StringBuilder();
+
+        for (int i=start; i>=stop; i--) {
+            songOutput.append(verse(i));
+        }
+
+        return songOutput.toString();
+    }
+
+    public static String singSong() {
+        return sing(99,0);
+    }
+}

exercises/beer-song/src/main/java/BeerSong.java

@@ -0,0 +1,3 @@
+public class BeerSong {
+
+}

exercises/beer-song/src/test/java/BeerSongTest.java

@@ -0,0 +1,127 @@
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class BeerSongTest {
+
+    @Test
+    public void singOneVerse() {
+        assertEquals("8 bottles of beer on the wall, 8 bottles of beer.\nTake one down and pass it around, 7 bottles of beer on the wall.\n\n", BeerSong.verse(8));
+        assertEquals("2 bottles of beer on the wall, 2 bottles of beer.\nTake one down and pass it around, 1 bottle of beer on the wall.\n\n", BeerSong.verse(2));
+        assertEquals("1 bottle of beer on the wall, 1 bottle of beer.\nTake it down and pass it around, no more bottles of beer on the wall.\n\n", BeerSong.verse(1));
+        assertEquals("No more bottles of beer on the wall, no more bottles of beer.\nGo to the store and buy some more, 99 bottles of beer on the wall.\n\n", BeerSong.verse(0));
+
+    }
+
+    @Test
+    public void singMoreThanOneVerse() {
+        assertEquals("8 bottles of beer on the wall, 8 bottles of beer.\nTake one down and pass it around, 7 bottles of beer on the wall.\n\n7 bottles of beer on the wall, 7 bottles of beer.\nTake one down and pass it around, 6 bottles of beer on the wall.\n\n6 bottles of beer on the wall, 6 bottles of beer.\nTake one down and pass it around, 5 bottles of beer on the wall.\n\n", BeerSong.sing(8,6));
+        assertEquals("3 bottles of beer on the wall, 3 bottles of beer.\nTake one down and pass it around, 2 bottles of beer on the wall.\n\n2 bottles of beer on the wall, 2 bottles of beer.\nTake one down and pass it around, 1 bottle of beer on the wall.\n\n1 bottle of beer on the wall, 1 bottle of beer.\nTake it down and pass it around, no more bottles of beer on the wall.\n\nNo more bottles of beer on the wall, no more bottles of beer.\nGo to the store and buy some more, 99 bottles of beer on the wall.\n\n",BeerSong.sing(3,0));
+    }
+
+    @Test
+    public void singEntireSong() {
+        assertEquals("99 bottles of beer on the wall, 99 bottles of beer.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nTake 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.\nGo to the store and buy some more, 99 bottles of beer on the wall.\n\n",
+                BeerSong.singSong());
+    }
+
+}

exercises/binary/src/test/java/BinaryTest.java

@@ -28,9 +28,7 @@ public class BinaryTest {
                 {"5", 0},
                 {"9", 0},
                 {"134678", 0},
-                {"abc10", 0},
-                {"10z", 0},
-                {"10a10", 0},
+                {"abc10z", 0},
                 {"011", 3}
         });
     }

exercises/settings.gradle

@@ -3,6 +3,7 @@ include 'acronym'
 include 'allergies'
 include 'anagram'
 include 'atbash-cipher'
+include 'beer-song'
 include 'binary'
 include 'bob'
 include 'crypto-square'