Add unit tests

Jan Breuer

2016-02-14 bd8a325086feadfb7cf8b1d03ab8be6b297ce7af

 libscpi/src/utils.c

@@ -98,15 +98,13 @@
            case 8:
                x = 0x40000000L;
                break;
            default:
            case 10:
                base = 10;
                x = 1000000000L;
                break;
            case 16:
                x = 0x10000000L;
                break;
            default:
                x = 1000000000L;
                base = 10;
                break;
        }

@@ -186,15 +184,13 @@
            case 8:
                x = 0x8000000000000000ULL;
                break;
       default:
            case 10:
                x = 10000000000000000000ULL;
                base = 10;
                break;
            case 16:
                x = 0x1000000000000000ULL;
                break;
            default:
                x = 10000000000000000000ULL;
                base = 10;
                break;
        }