public static int test_0_byvaltstr()
{
ByValTStrStruct s = new ByValTStrStruct();
IntPtr p2 = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(ByValTStrStruct)));
Marshal.StructureToPtr(s, p2, false);
/* Check that the ByValTStr is initialized correctly */
for (int i = 0; i < 4; ++i)
{
if (Marshal.ReadByte(p2, i) != 0)
{
return(31);
}
}
s.s1 = "ABCD";
s.i = 55;
Marshal.StructureToPtr(s, p2, false);
ByValTStrStruct s2 = (ByValTStrStruct)Marshal.PtrToStructure(p2, typeof(ByValTStrStruct));
/* The fourth char is lost because of null-termination */
if (s2.s1 != "ABC")
{
return(32);
}
if (s2.i != 55)
{
return(33);
}
// Check that decoding also respects the size, even when there is no null terminator
byte[] data = Encoding.ASCII.GetBytes("ABCDXXXX");
int size = Marshal.SizeOf(typeof(ByValTStrStruct));
IntPtr buffer = Marshal.AllocHGlobal(size);
Marshal.Copy(data, 0, buffer, size);
s2 = (ByValTStrStruct)Marshal.PtrToStructure(buffer, typeof(ByValTStrStruct));
if (s2.s1 != "ABC")
{
return(34);
}
return(0);
}
public static int test_0_byvaltstr () {
ByValTStrStruct s = new ByValTStrStruct ();
IntPtr p2 = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (ByValTStrStruct)));
Marshal.StructureToPtr(s, p2, false);
/* Check that the ByValTStr is initialized correctly */
for (int i = 0; i < 4; ++i)
if (Marshal.ReadByte (p2, i) != 0)
return 31;
s.s1 = "ABCD";
s.i = 55;
Marshal.StructureToPtr(s, p2, false);
ByValTStrStruct s2 = (ByValTStrStruct)Marshal.PtrToStructure (p2, typeof (ByValTStrStruct));
/* The fourth char is lost because of null-termination */
if (s2.s1 != "ABC")
return 32;
if (s2.i != 55)
return 33;
// Check that decoding also respects the size, even when there is no null terminator
byte[] data = Encoding.ASCII.GetBytes ("ABCDXXXX");
int size = Marshal.SizeOf (typeof (ByValTStrStruct));
IntPtr buffer = Marshal.AllocHGlobal (size);
Marshal.Copy (data, 0, buffer, size);
s2 = (ByValTStrStruct)Marshal.PtrToStructure (buffer, typeof (ByValTStrStruct));
if (s2.s1 != "ABC")
return 34;
return 0;
}
