System.Collections.BitArray.SetAll C# (CSharp) Method

        public void SetAll(bool value)
        {
            int fillValue = value ? unchecked(((int)0xffffffff)) : 0;
            int ints = GetArrayLength(m_length, BitsPerInt32);
            for (int i = 0; i < ints; i++)
            {
                m_array[i] = fillValue;
            }

            _version++;
        }

            public static void BitArray_SetAllTest()
            {
                BitArray ba2 = new BitArray(6, false);

                Assert.False(ba2.Get(0)); //"Err_10! Expected ba4.Get(0) to be false"
                Assert.False(ba2.Get(5)); //"Err_11! Expected ba4.Get(1) to be false"

                // false to true
                ba2.SetAll(true);

                Assert.True(ba2.Get(0)); //"Err_12! Expected ba4.Get(0) to be true"
                Assert.True(ba2.Get(5)); //"Err_13! Expected ba4.Get(1) to be true"


                // false to false
                ba2.SetAll(false);

                Assert.False(ba2.Get(0)); //"Err_14! Expected ba4.Get(0) to be false"
                Assert.False(ba2.Get(5)); //"Err_15! Expected ba4.Get(1) to be false"

                ba2 = new BitArray(6, true);

                Assert.True(ba2.Get(0)); //"Err_16! Expected ba4.Get(0) to be true"
                Assert.True(ba2.Get(5)); //"Err_17! Expected ba4.Get(1) to be true"

                // true to true
                ba2.SetAll(true);

                Assert.True(ba2.Get(0)); //"Err_18! Expected ba4.Get(0) to be true"
                Assert.True(ba2.Get(5)); //"Err_19! Expected ba4.Get(1) to be true"

                // true to false
                ba2.SetAll(false);

                Assert.False(ba2.Get(0)); //"Err_20! Expected ba4.Get(0) to be false"
                Assert.False(ba2.Get(5)); //"Err_21! Expected ba4.Get(1) to be false"

                // []  Size stress.
                int size = 0x1000F;
                ba2 = new BitArray(size, true);

                Assert.True(ba2.Get(0)); //"Err_22! Expected ba4.Get(0) to be true"
                Assert.True(ba2.Get(size - 1)); //"Err_23! Expected ba4.Get(size-1) to be true"

                ba2.SetAll(false);

                Assert.False(ba2.Get(0)); //"Err_24! Expected ba4.Get(0) to be false"
                Assert.False(ba2.Get(size - 1)); //"Err_25! Expected ba4.Get(size-1) to be false"
            }