/*

 Package: dyncall
 Library: test
 File: test/suite/main.c
 Description: 
 License:

   Copyright (c) 2007-2018 Daniel Adler <dadler@uni-goettingen.de>, 
                           Tassilo Philipp <tphilipp@potion-studios.com>

   Permission to use, copy, modify, and distribute this software for any
   purpose with or without fee is hereby granted, provided that the above
   copyright notice and this permission notice appear in all copies.

   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

*/



#include "../../dyncall/dyncall.h"
#include "config.h"
#include "../../dyncall/dyncall_value.h"
#include <math.h>
#include <stdlib.h>
#include "../common/platformInit.h"
#include "../common/platformInit.c" /* Impl. for functions only used in this translation unit */


int       getId();
DCpointer getFunc(int x);
DCValue*  getArg(int pos);


typedef double precise;


DCbool     valueBool    [NARGS];
DCshort    valueShort   [NARGS];
DCchar     valueChar    [NARGS];
DCint      valueInt     [NARGS];
DClonglong valueLongLong[NARGS];
DCdouble   valueDouble  [NARGS];
DCpointer  valuePointer [NARGS];
DCfloat    valueFloat   [NARGS];

enum {
  ID_DOUBLE = 0,
  ID_LONGLONG,
  ID_INT,
  ID_POINTER,
  ID_BOOL,
  ID_FLOAT
};

DCbool equals(int select, int pos, void* data)
{
  switch(select)
  {
    case ID_BOOL:     return ( getArg(pos)->B == valueBool    [pos] ); break;
    case ID_INT:      return ( getArg(pos)->i == valueInt     [pos] ); break;
    case ID_LONGLONG: return ( getArg(pos)->l == valueLongLong[pos] ); break;
    case ID_DOUBLE:   return ( getArg(pos)->d == valueDouble  [pos] ); break;
    case ID_POINTER:  return ( getArg(pos)->p == valuePointer [pos] ); break;
    case ID_FLOAT:    return ( getArg(pos)->f == valueFloat   [pos] ); break;
  }
  return DC_FALSE;
}


void clearValues();


void init()
{
  int i;
  for(i=0; i<NARGS; ++i)
  {
    valueBool[i]     = (DCbool)((i % 1) ? DC_TRUE : DC_FALSE);
    valueInt[i]      = (DCint)     (i);
    valueLongLong[i] = (DClonglong)(i);
    valueDouble[i]   = (DCdouble)  (i);
    valuePointer[i]  = (DCpointer) (ptrdiff_t) (i);
    valueFloat[i]    = (DCfloat)   (i);
  } 
}


void push(DCCallVM* pCall, int select, int pos)
{
  switch(select) 
  {
    case ID_BOOL: dcArgBool    ( pCall, valueBool    [pos] ); break;
    case ID_INT: dcArgInt     ( pCall, valueInt     [pos] ); break;
    case ID_LONGLONG: dcArgLongLong( pCall, valueLongLong[pos] ); break;
    case ID_DOUBLE: dcArgDouble  ( pCall, valueDouble  [pos] ); break;
    case ID_POINTER: dcArgPointer ( pCall, valuePointer [pos] ); break;
    case ID_FLOAT: dcArgFloat   ( pCall, valueFloat   [pos] ); break;
  }
}


#define assert(x) if (!(x)) return DC_FALSE


DCbool test(int x)
{
  int y = x;
  int selects[NARGS] = { 0, };
  int pos, i;

  DCCallVM* pCall = dcNewCallVM(4096);
  dcReset(pCall);
  clearValues();

  for(pos = 0; y>0; ++pos) 
  {
    int select = (y-1) % NTYPES; 
    selects[pos] = select;
    push(pCall,select,pos);
    y = (y-1) / NTYPES;
  }
  dcCallVoid(pCall,getFunc(x));
  
  assert( getId() == x );
  
  for(i = 0;i<pos;++i) {
    assert( equals( selects[i], i, getArg(i) ) );      
  }
  
  dcFree(pCall);
  return DC_TRUE;
}


int powerfact(int x, int n)
{
  if(n==0) return 0;
  return (int)(pow((double)x,n)+powerfact(x,n-1));
}


DCbool run_range(int from, int to)
{
  DCbool tr = DC_TRUE, r;
  int i;
  for(i=from; i<to; ++i) {
    printf("%d:",i);
    r = test(i);
    printf("%d\n", r);
    tr &= r;
  }
  return tr;
}


int main(int argc, char* argv[])
{
  DCbool success = DC_FALSE;

  dcTest_initPlatform();

  init();
  if (argc == 2) {
    int index = atoi(argv[1]);
    success = run_range( index, index+1 ); 
  } else if (argc == 3) {
    int from = atoi(argv[1]);
    int to   = atoi(argv[2])+1;
    success = run_range(from,to);
  } else {
    int ncalls = powerfact(NTYPES,NARGS)+1;
    success = run_range(0,ncalls);
  }

  printf("result: suite: %s\n", success ? "1" : "0");

  dcTest_deInitPlatform();

  return (success) ? 0 : -1;
}