public static unsafe int Main()
{
///
/// Structure to pointer
///
Dummy dummy = new Dummy();
dummy.a = new byte[16];
dummy.b = new float[16];
dummy.c = new long[16];
for (int i = 0; i < 16; i++)
{
dummy.a[i] = (byte)(dummy.b[i] = dummy.c[i] = i + 1);
}
IntPtr p = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Dummy)));
Marshal.StructureToPtr(dummy, p, false);
int offset = (int)Marshal.OffsetOf(typeof(Dummy), "a");
byte *data1 = (byte *)p.ToPointer() + offset;
for (int i = 0; i < 16; i++)
{
if (data1[i] != i + 1)
{
return(1);
}
}
offset = (int)Marshal.OffsetOf(typeof(Dummy), "b");
float *data2 = (float *)((byte *)p.ToPointer() + offset);
for (int i = 0; i < 16; i++)
{
if (data2[i] != i + 1)
{
return(2);
}
}
offset = (int)Marshal.OffsetOf(typeof(Dummy), "c");
long *data3 = (long *)((byte *)p.ToPointer() + offset);
for (int i = 0; i < 16; i++)
{
if (data3[i] != i + 1)
{
return(3);
}
}
///
/// Pointer to structure
///
Dummy dummy2 = new Dummy();
Marshal.PtrToStructure(p, dummy2);
if (dummy2.a.Length != dummy.a.Length)
{
return(4);
}
if (dummy2.b.Length != dummy.b.Length)
{
return(5);
}
if (dummy2.c.Length != dummy.c.Length)
{
return(6);
}
for (int i = 0; i < 16; i++)
{
if (dummy2.a[i] != i + 1)
{
return(7);
}
if (dummy2.b[i] != i + 1)
{
return(8);
}
if (dummy2.c[i] != i + 1)
{
return(9);
}
}
Marshal.FreeHGlobal(p);
///
/// Only allow
///
FormattedClass fc = new FormattedClass(20);
IntPtr fc_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(FormattedClass)));
Marshal.StructureToPtr(fc, fc_ptr, false);
Marshal.PtrToStructure(fc_ptr, fc);
if (fc.i != 20)
{
return(10);
}
Marshal.FreeHGlobal(fc_ptr);
bool exception = false;
try
{
object str = new Struct(20);
IntPtr str_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Struct)));
Marshal.StructureToPtr(str, str_ptr, false);
Marshal.PtrToStructure(str_ptr, str);
Marshal.FreeHGlobal(str_ptr);
}
catch (Exception ex)
{
exception = true;
}
if (!exception)
{
return(11);
}
return(0);
}
public static unsafe int Main () {
///
/// Structure to pointer
///
Dummy dummy = new Dummy ();
dummy.a = new byte[16];
dummy.b = new float[16];
dummy.c = new long[16];
for(int i=0; i<16; i++)
dummy.a[i] = (byte)(dummy.b[i] = dummy.c[i] = i+1);
IntPtr p = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Dummy)));
Marshal.StructureToPtr(dummy, p, false);
int offset = (int)Marshal.OffsetOf(typeof(Dummy), "a");
byte *data1 = (byte*)p.ToPointer() + offset;
for(int i=0; i<16; i++) {
if(data1[i] != i+1)
return 1;
}
offset = (int)Marshal.OffsetOf(typeof(Dummy), "b");
float *data2 = (float*)((byte*)p.ToPointer() + offset);
for(int i=0; i<16; i++)
if(data2[i] != i+1)
return 2;
offset = (int)Marshal.OffsetOf(typeof(Dummy), "c");
long *data3 = (long*)((byte*)p.ToPointer() + offset);
for(int i=0; i<16; i++)
if(data3[i] != i+1)
return 3;
///
/// Pointer to structure
///
Dummy dummy2 = new Dummy ();
Marshal.PtrToStructure(p, dummy2);
if(dummy2.a.Length != dummy.a.Length) return 4;
if(dummy2.b.Length != dummy.b.Length) return 5;
if(dummy2.c.Length != dummy.c.Length) return 6;
for(int i=0; i<16; i++)
{
if(dummy2.a[i] != i+1) return 7;
if(dummy2.b[i] != i+1) return 8;
if(dummy2.c[i] != i+1) return 9;
}
Marshal.FreeHGlobal(p);
///
/// Only allow
///
FormattedClass fc = new FormattedClass(20);
IntPtr fc_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(FormattedClass)));
Marshal.StructureToPtr(fc, fc_ptr, false);
Marshal.PtrToStructure(fc_ptr, fc);
if (fc.i != 20)
return 10;
Marshal.FreeHGlobal(fc_ptr);
bool exception = false;
try
{
object str = new Struct(20);
IntPtr str_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Struct)));
Marshal.StructureToPtr(str, str_ptr, false);
Marshal.PtrToStructure(str_ptr, str);
Marshal.FreeHGlobal(str_ptr);
}
catch (Exception ex)
{
exception = true;
}
if (!exception)
return 11;
return 0;
}
