/** Tests argument passing to functions.
    Assumes that up to the first two arguments can be passed in registers.

    type1: char, int, long
    type2: char, int, long
    type3: char, int, long
 */
#include <testfwk.h>

#define TYPE3_{type3}

static {type1}
returnFirstArg({type1} arg1, {type2} arg2, {type3} arg3)
{
    UNUSED(arg2);
    UNUSED(arg3);
    return arg1;
}

static {type2}
returnSecondArg({type1} arg1, {type2} arg2, {type3} arg3)
{
    UNUSED(arg1);
    UNUSED(arg3);
    return arg2;
}

static {type3}
returnThirdArg({type1} arg1, {type2} arg2, {type3} arg3)
{
    UNUSED(arg1);
    UNUSED(arg2);
    return arg3;
}

static void
testArgs(void)
{
#if !(defined(__SDCC_pdk14) && defined(TYPE3_long)) // Not enough RAM
    ASSERT(returnFirstArg(123, 45, 67) == ({type1})123);
    ASSERT(returnFirstArg(-123, 45, 67) == ({type1})-123);

    ASSERT(returnSecondArg(1, -23, 64) == ({type2})-23);
    ASSERT(returnSecondArg(1, 8, 64) == ({type2})8);

    ASSERT(returnThirdArg(-33, -34, -35) == ({type3})-35);
    ASSERT(returnThirdArg(-33, -34, 35) == ({type3})35);
#endif
}

