GetAndSet() public method

public GetAndSet ( int index ) : bool
index int
return bool
Exemplo n.º 1
0
 public override void AddRange(int min, int max, int shift)
 {
     Assert.IsTrue(min >= lower && min <= upper && max >= lower && max <= upper, "min, max should be inside bounds");
     if (useBitSet)
     {
         for (int i = min; i <= max; i++)
         {
             Assert.IsFalse(bits.GetAndSet(i - lower), "ranges should not overlap");
             // extra exit condition to prevent overflow on MAX_VALUE
             if (i == max)
             {
                 break;
             }
         }
     }
     if (neededBounds is null)
     {
         return;
     }
     // make unsigned ints for easier display and understanding
     min ^= unchecked ((int)0x80000000);
     max ^= unchecked ((int)0x80000000);
     //System.out.println("0x"+Integer.toHexString(min>>>shift)+",0x"+Integer.toHexString(max>>>shift)+")/*shift="+shift+"*/,");
     neededShifts.MoveNext();
     Assert.AreEqual(neededShifts.Current, shift, "shift");
     neededBounds.MoveNext();
     Assert.AreEqual(neededBounds.Current, min.TripleShift(shift), "inner min bound");
     neededBounds.MoveNext();
     Assert.AreEqual(neededBounds.Current, max.TripleShift(shift), "inner max bound");
 }
Exemplo n.º 2
0
        public virtual void Test()
        {
            RollingBuffer <Position> buffer = new RollingBufferAnonymousInnerClassHelper(this);

            for (int iter = 0; iter < 100 * RANDOM_MULTIPLIER; iter++)
            {
                int         freeBeforePos = 0;
                int         maxPos        = AtLeast(10000);
                FixedBitSet posSet        = new FixedBitSet(maxPos + 1000);
                int         posUpto       = 0;
                Random      random        = Random();
                while (freeBeforePos < maxPos)
                {
                    if (random.Next(4) == 1)
                    {
                        int limit = Rarely() ? 1000 : 20;
                        int inc   = random.Next(limit);
                        int pos   = freeBeforePos + inc;
                        posUpto = Math.Max(posUpto, pos);
                        if (VERBOSE)
                        {
                            Console.WriteLine("  check pos=" + pos + " posUpto=" + posUpto);
                        }
                        Position posData = buffer.Get(pos);
                        if (!posSet.GetAndSet(pos))
                        {
                            Assert.AreEqual(-1, posData.Pos);
                            posData.Pos = pos;
                        }
                        else
                        {
                            Assert.AreEqual(pos, posData.Pos);
                        }
                    }
                    else
                    {
                        if (posUpto > freeBeforePos)
                        {
                            freeBeforePos += random.Next(posUpto - freeBeforePos);
                        }
                        if (VERBOSE)
                        {
                            Console.WriteLine("  freeBeforePos=" + freeBeforePos);
                        }
                        buffer.FreeBefore(freeBeforePos);
                    }
                }

                buffer.Reset();
            }
        }