ILSpy/ICSharpCode.Decompiler.Tests/TestCases/Pretty/UnsafeCode.cs

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// 
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// 
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// 
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namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
{
	public class UnsafeCode
	{
		private struct SimpleStruct
		{
			public int X;
			public double Y;
		}
		
		public unsafe int* NullPointer {
			get {
				return null;
			}
		}

		public unsafe int* PointerCast(long* p)
		{
			return (int*)p;
		}

		public unsafe long ConvertDoubleToLong(double d)
		{
			return *(long*)(&d);
		}

		public unsafe double ConvertLongToDouble(long d)
		{
			return *(double*)(&d);
		}

		public unsafe int ConvertFloatToInt(float d)
		{
			return *(int*)(&d);
		}

		public unsafe float ConvertIntToFloat(int d)
		{
			return *(float*)(&d);
		}

		public unsafe int PointerCasts()
		{
			int result = 0;
			*(float*)(&result) = 0.5f;
			((byte*)(&result))[3] = 3;
			return result;
		}

		public unsafe void PassRefParameterAsPointer(ref int p)
		{
			fixed (int* p2 = &p) {
				this.PassPointerAsRefParameter(p2);
			}
		}

		public unsafe void PassPointerAsRefParameter(int* p)
		{
			this.PassRefParameterAsPointer(ref *p);
		}

		public unsafe void AddressInMultiDimensionalArray(double[,] matrix)
		{
			fixed (double* d = &matrix[1, 2]) {
				this.PointerReferenceExpression(d);
				this.PointerReferenceExpression(d);
			}
		}
		
		public unsafe void FixedStringAccess(string text)
		{
			fixed (char* ptr = text) {
				char* ptr2 = ptr;
				while (*ptr2 == 'a') {
					*ptr2 = 'A';
					ptr2++;
				}
			}
		}

		public unsafe void PutDoubleIntoLongArray1(long[] array, int index, double val)
		{
			fixed (long* ptr = array) {
				*(double*)(ptr + index) = val;
			}
		}

		public unsafe void PutDoubleIntoLongArray2(long[] array, int index, double val)
		{
			fixed (long* ptr = &array[index]) {
				*(double*)ptr = val;
			}
		}

		public unsafe string PointerReferenceExpression(double* d)
		{
			return d->ToString();
		}

		public unsafe string PointerReferenceExpression2(long addr)
		{
			return ((int*)addr)->ToString();
		}

		public unsafe int* PointerArithmetic(int* p)
		{
			return p + 2;
		}

		public unsafe long* PointerArithmetic2(long* p, int y, int x)
		{
			return 3 + p;
		}

		public unsafe long* PointerArithmetic3(long* p)
		{
			return (long*)((byte*)p + 3);
		}

		public unsafe long* PointerArithmetic4(void* p)
		{
			return (long*)((byte*)p + 3);
		}

		public unsafe int PointerArithmetic5(void* p, byte* q, int i)
		{
			return q[i] + *(byte*)p;
		}

		public unsafe int PointerSubtraction(long* p, long* q)
		{
			return (int)(p - q);
		}

		public unsafe long PointerSubtractionLong(long* p, long* q)
		{
			return p - q;
		}

		public unsafe int PointerSubtraction2(long* p, short* q)
		{
			return (int)((byte*)p - (byte*)q);
		}

		public unsafe int PointerSubtraction3(void* p, void* q)
		{
			return (int)((byte*)p - (byte*)q);
		}

		unsafe ~UnsafeCode()
		{
			this.PassPointerAsRefParameter(this.NullPointer);
		}
	}
}