lua/doxygen/ltests_8h_source.html

/*

** $Id: ltests.h $

** Internal Header for Debugging of the Lua Implementation

** See Copyright Notice in lua.h

*/


#ifndef ltests_h

#define ltests_h


#include <stdio.h>

#include <stdlib.h>


/* test Lua with compatibility code */

#define LUA_COMPAT_MATHLIB

#define LUA_COMPAT_LT_LE


#define LUA_DEBUG


/* turn on assertions */

#define LUAI_ASSERT


/* to avoid warnings, and to make sure value is really unused */

#define UNUSED(x)       (x=0, (void)(x))


/* test for sizes in 'l_sprintf' (make sure whole buffer is available) */

#undef l_sprintf

#if !defined(LUA_USE_C89)

#define l_sprintf(s,sz,f,i) (memset(s,0xAB,sz), snprintf(s,sz,f,i))

#else

#define l_sprintf(s,sz,f,i) (memset(s,0xAB,sz), sprintf(s,f,i))

#endif


/* get a chance to test code without jump tables */

#define LUA_USE_JUMPTABLE   0


/* use 32-bit integers in random generator */

#define LUA_RAND32


/* memory-allocator control variables */

typedef struct Memcontrol {

  int failnext;

  unsigned long numblocks;

  unsigned long total;

  unsigned long maxmem;

  unsigned long memlimit;

  unsigned long countlimit;

  unsigned long objcount[LUA_NUMTYPES];

} Memcontrol;


LUA_API Memcontrol l_memcontrol;


/*

** generic variable for debug tricks

*/

extern void *l_Trick;


/*

** Function to traverse and check all memory used by Lua

*/

LUAI_FUNC int lua_checkmemory (lua_State *L);


/*

** Function to print an object GC-friendly

*/

struct GCObject;

LUAI_FUNC void lua_printobj (lua_State *L, struct GCObject *o);


/* test for lock/unlock */


struct L_EXTRA { int lock; int *plock; };

#undef LUA_EXTRASPACE

#define LUA_EXTRASPACE  sizeof(struct L_EXTRA)

#define getlock(l)  cast(struct L_EXTRA*, lua_getextraspace(l))

#define luai_userstateopen(l)  \

    (getlock(l)->lock = 0, getlock(l)->plock = &(getlock(l)->lock))

#define luai_userstateclose(l)  \

  lua_assert(getlock(l)->lock == 1 && getlock(l)->plock == &(getlock(l)->lock))

#define luai_userstatethread(l,l1) \

  lua_assert(getlock(l1)->plock == getlock(l)->plock)

#define luai_userstatefree(l,l1) \

  lua_assert(getlock(l)->plock == getlock(l1)->plock)

#define lua_lock(l)     lua_assert((*getlock(l)->plock)++ == 0)

#define lua_unlock(l)   lua_assert(--(*getlock(l)->plock) == 0)


LUA_API int luaB_opentests (lua_State *L);


LUA_API void *debug_realloc (void *ud, void *block,

                             size_t osize, size_t nsize);


#if defined(lua_c)

#define luaL_newstate()     lua_newstate(debug_realloc, &l_memcontrol)

#define luaL_openlibs(L)  \

  { (luaL_openlibs)(L); \

     luaL_requiref(L, "T", luaB_opentests, 1); \

     lua_pop(L, 1); }

#endif


/* change some sizes to give some bugs a chance */


#undef LUAL_BUFFERSIZE

#define LUAL_BUFFERSIZE     23

#define MINSTRTABSIZE       2

#define MAXIWTHABS      3


#define STRCACHE_N  23

#define STRCACHE_M  5


#undef LUAI_USER_ALIGNMENT_T

#define LUAI_USER_ALIGNMENT_T   union { char b[sizeof(void*) * 8]; }


/* make stack-overflow tests run faster */

#undef LUAI_MAXSTACK

#define LUAI_MAXSTACK   50000


/* test mode uses more stack space */

#undef LUAI_MAXCCALLS

#define LUAI_MAXCCALLS  180


/* force Lua to use its own implementations */

#undef lua_strx2number

#undef lua_number2strx


#endif