public void StructRefParameter()
{
var csStruct = new StructWithMarshal();
NativeFunctions.SetAllElements(ref csStruct);
Assert.Equal(10, csStruct.I[0]);
Assert.Equal(10, csStruct.I[1]);
Assert.Equal(10, csStruct.I[2]);
}
public void NullableStructParameter()
{
Assert.Equal(0, NativeFunctions.FirstElementOrZero(null));
var csStruct = new StructWithMarshal();
csStruct.I[0] = 4;
Assert.Equal(csStruct.I[0], NativeFunctions.FirstElementOrZero(csStruct));
}
public void StructMarshalling()
{
var defaultMarshalling = new StructWithMarshal();
defaultMarshalling.I[1] = 6;
var staticMarshalling = new StructWithStaticMarshal();
staticMarshalling.I[1] = 10;
NativeFunctions.StructMarshalling(defaultMarshalling, staticMarshalling, out var defaultOut, out var staticOut);
Assert.Equal(defaultMarshalling.I[1], defaultOut.I[1]);
Assert.Equal(staticMarshalling.I[1], staticOut.I[1]);
}
public void StructWithMarshallingArrays()
{
int seed = 37;
var rng = new Random(seed);
StructWithMarshal[] array = new StructWithMarshal[5];
for (int i = 0; i < array.Length; i++)
{
for (int j = 0; j < array[i].I.Length; j++)
{
array[i].I[j] = rng.Next();
}
}
int result = NativeFunctions.SumStructWithMarshal(array);
Assert.Equal(array.SelectMany(x => x.I).Aggregate((x, a) => x + a), result);
}
