public static Sstr_simple DoCdeclSimpleStruct(Sstr_simple p, ref bool retval)
{
IntPtr st = CdeclSimpleStruct(p, ref retval);
Sstr_simple simple = (Sstr_simple)Marshal.PtrToStructure(st, typeof(Sstr_simple));
return(simple);
}
public static Sstr_simple DoCdeclSimpleStruct(Sstr_simple p, ref bool retval)
{
IntPtr st = CdeclSimpleStruct(p, ref retval);
Sstr_simple simple = Marshal.PtrToStructure <Sstr_simple>(st);
return(simple);
}
public static bool PosTest2()
{
string s = "Before";
bool retval = true;
double d = 3.142;
Sstr p = new Sstr(100, false, s);
TestFramework.BeginScenario("\n\nTest #2 (Roundtrip of a simple structre by value. Verify that values updated on unmanaged side reflect on managed side)");
//direct pinvoke
// //cdecl calling convention
try
{
TestFramework.LogInformation(" Case 2: Direct p/invoke cdecl calling convention");
Sstr_simple simple = new Sstr_simple(100, false, d);
simple = DoCdeclSimpleStruct(simple, ref retval);
if (retval == false)
{
TestFramework.LogError("01", "PInvokeTests->PosTest2 : values of passed in structure not matched with expected once on unmanaged side.");
return(false);
}
if ((simple.a != 101) || (!simple.b) || (simple.c != 10.11))
{
Console.WriteLine("\nExpected values:\n SimpleStruct->a=101\nSimpleStruct->b=TRUE\nSimpleStruct->c=10.11\n");
Console.WriteLine("\nActual values:\n SimpleStruct->a=" + simple.a + "\nSimpleStruct->b=" + simple.b + "\nSimpleStruct->c=" + simple.c + "\n");
TestFramework.LogError("02", "PInvokeTests->PosTest2 : Returned values are different from expected values");
retval = false;
}
}
catch (Exception e)
{
TestFramework.LogError("03", "Unexpected exception: " + e.ToString());
retval = false;
}
// //delegate pinvoke
// //cdecl calling convention
try
{
TestFramework.LogInformation(" Case 4: Delegate p/invoke cdecl calling convention");
Sstr_simple simple = new Sstr_simple(100, false, d);
CdeclSimpleStructDelegate std = GetFptrCdeclSimpleStruct(16);
IntPtr st = std(simple, ref retval);
simple = (Sstr_simple)Marshal.PtrToStructure(st, typeof(Sstr_simple));
if (retval == false)
{
TestFramework.LogError("01", "PInvokeTests->PosTest2 : values of passed in structure not matched with expected once on unmanaged side.");
return(false);
}
if ((simple.a != 101) || (!simple.b) || (simple.c != 10.11))
{
Console.WriteLine("\nExpected values:\n SimpleStruct->a=101\nSimpleStruct->b=TRUE\nSimpleStruct->c=10.11\n");
Console.WriteLine("\nActual values:\n SimpleStruct->a=" + simple.a + "\nSimpleStruct->b=" + simple.b + "\nSimpleStruct->c=" + simple.c + "\n");
TestFramework.LogError("02", "PInvokeTests->PosTest2 : Returned values are different from expected values");
retval = false;
}
}
catch (Exception e)
{
TestFramework.LogError("03", "Unexpected exception: " + e.ToString());
retval = false;
}
return(retval);
}
private static extern IntPtr CdeclSimpleStruct(Sstr_simple p, ref bool retval);
public static bool PosTest2()
{
string s = "Before";
bool retval = true;
double d = 3.142;
Sstr p = new Sstr(100, false, s);
TestFramework.BeginScenario("\n\nTest #2 (Roundtrip of a simple structre by value. Verify that values updated on unmanaged side reflect on managed side)");
//direct pinvoke
// //cdecl calling convention
try
{
TestFramework.LogInformation(" Case 2: Direct p/invoke cdecl calling convention");
Sstr_simple simple = new Sstr_simple(100, false, d);
simple = DoCdeclSimpleStruct(simple, ref retval);
if (retval == false)
{
TestFramework.LogError("01", "PInvokeTests->PosTest2 : values of passed in structure not matched with expected once on unmanaged side.");
return false;
}
if ((simple.a != 101) || (!simple.b) || (simple.c != 10.11))
{
Console.WriteLine("\nExpected values:\n SimpleStruct->a=101\nSimpleStruct->b=TRUE\nSimpleStruct->c=10.11\n");
Console.WriteLine("\nActual values:\n SimpleStruct->a=" + simple.a + "\nSimpleStruct->b=" + simple.b + "\nSimpleStruct->c=" + simple.c + "\n");
TestFramework.LogError("02", "PInvokeTests->PosTest2 : Returned values are different from expected values");
retval = false;
}
}
catch (Exception e)
{
TestFramework.LogError("03", "Unexpected exception: " + e.ToString());
retval = false;
}
// //delegate pinvoke
// //cdecl calling convention
try
{
TestFramework.LogInformation(" Case 4: Delegate p/invoke cdecl calling convention");
Sstr_simple simple = new Sstr_simple(100, false, d);
CdeclSimpleStructDelegate std = GetFptrCdeclSimpleStruct(16);
IntPtr st = std(simple, ref retval);
simple = Marshal.PtrToStructure<Sstr_simple>(st);
if (retval == false)
{
TestFramework.LogError("01", "PInvokeTests->PosTest2 : values of passed in structure not matched with expected once on unmanaged side.");
return false;
}
if ((simple.a != 101) || (!simple.b) || (simple.c != 10.11))
{
Console.WriteLine("\nExpected values:\n SimpleStruct->a=101\nSimpleStruct->b=TRUE\nSimpleStruct->c=10.11\n");
Console.WriteLine("\nActual values:\n SimpleStruct->a=" + simple.a + "\nSimpleStruct->b=" + simple.b + "\nSimpleStruct->c=" + simple.c + "\n");
TestFramework.LogError("02", "PInvokeTests->PosTest2 : Returned values are different from expected values");
retval = false;
}
}
catch (Exception e)
{
TestFramework.LogError("03", "Unexpected exception: " + e.ToString());
retval = false;
}
return retval;
}
public static Sstr_simple DoCdeclSimpleStruct(Sstr_simple p, ref bool retval)
{
IntPtr st = CdeclSimpleStruct(p, ref retval);
Sstr_simple simple = Marshal.PtrToStructure<Sstr_simple>(st);
return simple;
}
private static extern IntPtr CdeclSimpleStruct(Sstr_simple p, ref bool retval);
