test_mem.c File Reference

#include "test_mem.h"
#include "lwip/mem.h"
#include "lwip/stats.h"

Include dependency graph for test_mem.c:

Go to the source code of this file.

Macros
#define	SIZE1   16
#define	SIZE1_2   12
#define	SIZE2   16

Functions
static void	mem_setup (void)
static void	mem_teardown (void)
	START_TEST (test_mem_one)
END_TEST Suite *	mem_suite (void)

Macro Definition Documentation

SIZE1

#define SIZE1   16

SIZE1_2

#define SIZE1_2   12

SIZE2

#define SIZE2   16

Function Documentation

mem_setup()

static void mem_setup ( void  )

static

Definition at line 16 of file test_mem.c.

{
}

Referenced by mem_suite().

mem_suite()

END_TEST Suite * mem_suite

(

void

)

Create the suite including all tests for this module

Definition at line 67 of file test_mem.c.

{
  TFun tests[] = {
    test_mem_one
  };
  return create_suite("MEM", tests, sizeof(tests)/sizeof(TFun), mem_setup, mem_teardown);
}

Referenced by main().

mem_teardown()

static void mem_teardown ( void  )

static

Definition at line 21 of file test_mem.c.

{
}

Referenced by mem_suite().

START_TEST()

START_TEST

(

test_mem_one

)

Call mem_malloc, mem_free and mem_trim and check stats

Definition at line 29 of file test_mem.c.

{
#define SIZE1   16
#define SIZE1_2 12
#define SIZE2   16
  void *p1, *p2;
  mem_size_t s1, s2;
  LWIP_UNUSED_ARG(_i);
 
#if LWIP_DNS
  fail("This test needs DNS turned off (as it mallocs on init)");
#endif
 
  fail_unless(lwip_stats.mem.used == 0);
 
  p1 = mem_malloc(SIZE1);
  fail_unless(p1 != NULL);
  fail_unless(lwip_stats.mem.used >= SIZE1);
  s1 = lwip_stats.mem.used;
 
  p2 = mem_malloc(SIZE2);
  fail_unless(p2 != NULL);
  fail_unless(lwip_stats.mem.used >= SIZE2 + s1);
  s2 = lwip_stats.mem.used;
 
  mem_trim(p1, SIZE1_2);
 
  mem_free(p2);
  fail_unless(lwip_stats.mem.used <= s2 - SIZE2);
 
  mem_free(p1);
  fail_unless(lwip_stats.mem.used == 0);
}