Ejemplo n.º 1
0
        public unsafe void EqualityTest1()
        {
            uint *sample   = stackalloc uint[4];
            int   checksum = 0;

            int address1 = (int)sample;

            Console.WriteLine("Original Address: {0:X}", address1);
            checksum += address1;

            IntPtr address2 = new IntPtr(sample);

            Console.WriteLine("IntPtr Address: {0:X}", address2.ToInt32());
            checksum += address2.ToInt32();

            UInt32Pointer address3 = new UInt32Pointer(address2);

            Console.WriteLine("UInt32Pointer Address (from IntPtr): {0:X}", address3.ToInt32());
            checksum += address3.ToInt32();

            UInt32Pointer address4 = new UInt32Pointer(address1);

            Console.WriteLine("UInt32Pointer Address (from Int32): {0:X}", address4.ToInt32());
            checksum += address4.ToInt32();

            int checksumDigest = checksum / 4;

            Assert.AreEqual(checksumDigest, address1);
            Assert.AreEqual(checksumDigest, address2.ToInt32());
            Assert.AreEqual(checksumDigest, address3.ToInt32());
            Assert.AreEqual(checksumDigest, address4.ToInt32());
        }
Ejemplo n.º 2
0
        public unsafe void AddressTest1()
        {
            uint *        sample = stackalloc uint[4];
            UInt32Pointer a      = new UInt32Pointer(sample);
            UInt32Pointer b      = (a + 1);

            Console.WriteLine("Address offset: {0}", b.ToInt32() - a.ToInt32());

            Assert.AreEqual(sizeof(uint), b.ToInt32() - a.ToInt32());
            Assert.False(Object.ReferenceEquals(a, b));

            // xPlatform's typed pointers are value type.
            UInt32Pointer c = new UInt32Pointer(sample + 1);
            UInt32Pointer d = (++c);

            Console.WriteLine("Address offset: {0}", d.ToInt32() - c.ToInt32());

            Assert.AreEqual(0, d.ToInt32() - c.ToInt32());
            Assert.False(Object.ReferenceEquals(c, d));
        }
Ejemplo n.º 3
0
        public unsafe void StackallocTest3()
        {
            const int     bufferSize = 4;
            uint *        sample     = stackalloc uint[bufferSize];
            UInt32Pointer pointer    = new UInt32Pointer(sample);

            uint[] results = new uint[bufferSize];

            for (int i = 0; i < bufferSize; i++)
            {
                results[i] = *(sample + i) = GenerateRandomNumber();
            }

            // Pointer conversion test
            for (int i = 0; i < bufferSize; i++)
            {
                object x = results[i];
                object y = *(uint *)(pointer + i);
                Console.WriteLine("[{0}] <Left: {1}> {2} <Right: {3}>", i, x, x.Equals(y) ? "==" : "<>", y);
                Assert.AreEqual(x, y);
            }
        }
Ejemplo n.º 4
0
        public unsafe void StackallocTest4()
        {
            const int     bufferSize = 4;
            uint *        sample     = stackalloc uint[bufferSize];
            UInt32Pointer pointer    = new UInt32Pointer(sample);

            uint[] results = new uint[bufferSize];

            // SetData method
            for (int i = 0; i < bufferSize; i++)
            {
                pointer.SetData(results[i] = GenerateRandomNumber(), i);
            }

            // GetData method
            for (int i = 0; i < bufferSize; i++)
            {
                object x = results[i];
                object y = pointer.GetData(i);
                Console.WriteLine("[{0}] <Left: {1}> {2} <Right: {3}>", i, x, x.Equals(y) ? "==" : "<>", y);
                Assert.AreEqual(x, y);
            }
        }
Ejemplo n.º 5
0
        public unsafe void StackallocTest5()
        {
            const int     bufferSize = 4;
            uint *        sample     = stackalloc uint[bufferSize];
            UInt32Pointer pointer    = new UInt32Pointer(sample);

            uint[] results = new uint[bufferSize];

            // Indexer based memory writing
            for (int i = 0; i < bufferSize; i++)
            {
                results[i] = pointer[i] = GenerateRandomNumber();
            }

            // Indexer based memory navigation
            for (int i = 0; i < bufferSize; i++)
            {
                object x = results[i];
                object y = pointer[i];
                Console.WriteLine("[{0}] <Left: {1}> {2} <Right: {3}>", i, x, x.Equals(y) ? "==" : "<>", y);
                Assert.AreEqual(x, y);
            }
        }