package codegen.intrinsics.interop_sourceCodeStruct

import kotlinx.cinterop.*
import kotlinx.cinterop.internal.*
import kotlin.test.*

// Just making sure this doesn't get accidentally forbidden or otherwise broken.
// (however defining structs this way is still strongly discouraged, please define
// structs in C headers or .def files instead).

@CStruct("struct { int p0; int p1; }")
class S(rawPtr: NativePtr) : CStructVar(rawPtr) {

    companion object : CStructVar.Type(8, 4)

    var x: Int
        get() = memberAt<IntVar>(0).value
        set(value) {
            memberAt<IntVar>(0).value = value
        }

    var y: Int
        get() = memberAt<IntVar>(4).value
        set(value) {
            memberAt<IntVar>(4).value = value
        }
}

@Test
fun test() = memScoped {
    val s = alloc<S>()

    s.x = 123
    assertEquals(123, s.x)
    assertEquals(123, s.ptr.reinterpret<IntVar>()[0])

    s.y = 321
    assertEquals(321, s.y)
    assertEquals(321, s.ptr.reinterpret<IntVar>()[1])
}