test_def.c File Reference

#include "test_def.h"
#include "lwip/def.h"

Include dependency graph for test_def.c:

Go to the source code of this file.

Macros
#define	MAGIC_UNTOUCHED_BYTE   0x7a
#define	TEST_BUFSIZE   32
#define	GUARD_SIZE   4

Functions
static void	def_setup (void)
static void	def_teardown (void)
static void	def_check_range_untouched (const char *buf, size_t len)
static void	test_def_itoa (int number, const char *expected)
	START_TEST (test_def_lwip_itoa)
END_TEST Suite *	def_suite (void)

Macro Definition Documentation

GUARD_SIZE

#define GUARD_SIZE   4

Definition at line 7 of file test_def.c.

MAGIC_UNTOUCHED_BYTE

#define MAGIC_UNTOUCHED_BYTE   0x7a

Definition at line 5 of file test_def.c.

TEST_BUFSIZE

#define TEST_BUFSIZE   32

Definition at line 6 of file test_def.c.

Function Documentation

def_check_range_untouched()

static void def_check_range_untouched ( const char *  buf, size_t  len  )

static

Definition at line 22 of file test_def.c.

{
  size_t i;
 
  for (i = 0; i < len; i++) {
    fail_unless(buf[i] == (char)MAGIC_UNTOUCHED_BYTE);
  }
}

Referenced by test_def_itoa().

def_setup()

static void def_setup ( void  )

static

Definition at line 12 of file test_def.c.

{
}

Referenced by def_suite().

def_suite()

END_TEST Suite * def_suite

(

void

)

Create the suite including all tests for this module

Definition at line 78 of file test_def.c.

{
  testfunc tests[] = {
    TESTFUNC(test_def_lwip_itoa)
  };
  return create_suite("DEF", tests, sizeof(tests)/sizeof(testfunc), def_setup, def_teardown);
}

Referenced by main().

def_teardown()

static void def_teardown ( void  )

static

Definition at line 17 of file test_def.c.

{
}

Referenced by def_suite().

START_TEST()

START_TEST

(

test_def_lwip_itoa

)

Definition at line 61 of file test_def.c.

{
  LWIP_UNUSED_ARG(_i);
 
  test_def_itoa(0, "0");
  test_def_itoa(1, "1");
  test_def_itoa(-1, "-1");
  test_def_itoa(15, "15");
  test_def_itoa(-15, "-15");
  test_def_itoa(156, "156");
  test_def_itoa(1192, "1192");
  test_def_itoa(-156, "-156");
}

test_def_itoa()

static void test_def_itoa ( int  number, const char *  expected  )

static

Definition at line 31 of file test_def.c.

{
  char buf[TEST_BUFSIZE];
  char *test_buf = &buf[GUARD_SIZE];
 
  size_t exp_len = strlen(expected);
  fail_unless(exp_len + 4 < (TEST_BUFSIZE - (2 * GUARD_SIZE)));
 
  memset(buf, MAGIC_UNTOUCHED_BYTE, sizeof(buf));
  lwip_itoa(test_buf, exp_len + 1, number);
  def_check_range_untouched(buf, GUARD_SIZE);
  fail_unless(test_buf[exp_len] == 0);
  fail_unless(!memcmp(test_buf, expected, exp_len));
  def_check_range_untouched(&test_buf[exp_len + 1], TEST_BUFSIZE - GUARD_SIZE - exp_len - 1);
 
  /* check with too small buffer */
  memset(buf, MAGIC_UNTOUCHED_BYTE, sizeof(buf));
  lwip_itoa(test_buf, exp_len, number);
  def_check_range_untouched(buf, GUARD_SIZE);
  def_check_range_untouched(&test_buf[exp_len + 1], TEST_BUFSIZE - GUARD_SIZE - exp_len - 1);
 
  /* check with too large buffer */
  memset(buf, MAGIC_UNTOUCHED_BYTE, sizeof(buf));
  lwip_itoa(test_buf, exp_len + 4, number);
  def_check_range_untouched(buf, GUARD_SIZE);
  fail_unless(test_buf[exp_len] == 0);
  fail_unless(!memcmp(test_buf, expected, exp_len));
  def_check_range_untouched(&test_buf[exp_len + 4], TEST_BUFSIZE - GUARD_SIZE - exp_len - 4);
}

Referenced by START_TEST().