Merge pull request Diffblue-benchmarks#7 from DiffBlue-benchmarks/tic-tac-toe-string

rjmunro · web-flow · commit 23f42e1ccec4 · 2017-04-07T16:19:59.000+01:00
Check tic tac toe  with strings
diff --git a/main-module/src/main/java/com/diffblue/java_test/Additions.java b/main-module/src/main/java/com/diffblue/java_test/Additions.java
@@ -73,6 +73,41 @@ else if (a[2] == 2)
     return 0;
   }
 
+  public String checkTicTacToePosition(char[] a, char[] b, char[] c) {
+    if (a.length != 3 || b.length != 3 || c.length != 3) {
+      return "Error: Lines not equal length";
+    }
+    byte[] bytes = new byte[9];
+    for (int i=0; i<9; i++) {
+    	bytes[i] = ticTacToeCharToByte(i<3 ? a[i]: i<6 ? b[i-3] : c[i-6]);
+    }
+    switch (checkTicTacToePosition(bytes)) {
+		case 1:
+			return "X wins";
+		case 2:
+			return "O wins";
+		default:
+			return "No winner";
+    }
+  }
+
+  static byte ticTacToeCharToByte(char c) {
+    switch (c) {
+      case 'X':
+      case 'x':
+        return 1;
+      case 'O':
+      case 'o':
+      case '0':
+        return 2;
+      case ' ':
+        return 0;
+      default:
+        throw new Error("Character " + c + " not regognized");
+    }
+  }
+
+
   /*
    * checks if an array contains a sequence
    * [... '<','h','t','m','l' ...]
