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glibc  2.9
Defines | Typedefs | Functions
test-strspn.c File Reference
#include "test-string.h"
#include "../test-skeleton.c"

Go to the source code of this file.

Defines

#define TEST_MAIN

Typedefs

typedef size_t(* proto_t )(const char *, const char *)

Functions

size_t simple_strspn (const char *, const char *)
size_t stupid_strspn (const char *, const char *)
static void do_one_test (impl_t *impl, const char *s, const char *acc, size_t exp_res)
static void do_test (size_t align, size_t pos, size_t len)
static void do_random_tests (void)
int test_main (void)

Define Documentation

#define TEST_MAIN

Definition at line 21 of file test-strspn.c.


Typedef Documentation

typedef size_t(* proto_t)(const char *, const char *)

Definition at line 24 of file test-strspn.c.


Function Documentation

static void do_one_test ( impl_t impl,
const char *  s,
const char *  acc,
size_t  exp_res 
) [static]

Definition at line 67 of file test-strspn.c.

{
  size_t res = CALL (impl, s, acc);
  if (res != exp_res)
    {
      error (0, 0, "Wrong result in function %s %p %p", impl->name,
            (void *) res, (void *) exp_res);
      ret = 1;
      return;
    }

  if (HP_TIMING_AVAIL)
    {
      hp_timing_t start __attribute ((unused));
      hp_timing_t stop __attribute ((unused));
      hp_timing_t best_time = ~ (hp_timing_t) 0;
      size_t i;

      for (i = 0; i < 32; ++i)
       {
         HP_TIMING_NOW (start);
         CALL (impl, s, acc);
         HP_TIMING_NOW (stop);
         HP_TIMING_BEST (best_time, start, stop);
       }

      printf ("\t%zd", (size_t) best_time);
    }
}

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static void do_random_tests ( void  ) [static]

Definition at line 143 of file test-strspn.c.

{
  size_t i, j, n, align, pos, alen, len;
  unsigned char *p = buf1 + page_size - 512;
  unsigned char *acc;

  for (n = 0; n < ITERATIONS; n++)
    {
      align = random () & 15;
      if (random () & 1)
       alen = random () & 63;
      else
       alen = random () & 15;
      if (!alen)
       pos = 0;
      else
       pos = random () & 511;
      if (pos + align >= 511)
       pos = 510 - align - (random () & 7);
      len = random () & 511;
      if (len + align >= 512)
       len = 511 - align - (random () & 7);
      acc = buf2 + page_size - alen - 1 - (random () & 7);
      for (i = 0; i < alen; ++i)
       {
         acc[i] = random () & 255;
         if (!acc[i])
           acc[i] = random () & 255;
         if (!acc[i])
           acc[i] = 1 + (random () & 127);
       }
      acc[i] = '\0';
      j = (pos > len ? pos : len) + align + 64;
      if (j > 512)
       j = 512;

      for (i = 0; i < j; i++)
       {
         if (i == len + align)
           p[i] = '\0';
         else if (i == pos + align)
           {
             p[i] = random () & 255;
             if (strchr ((char *) acc, p[i]))
              p[i] = '\0';
           }
         else if (i < align || i > pos + align)
           p[i] = random () & 255;
         else
           p[i] = acc [random () % alen];
       }

      FOR_EACH_IMPL (impl, 1)
       if (CALL (impl, (char *) (p + align),
                (char *) acc) != (pos < len ? pos : len))
         {
           error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd, %zd) %zd != %zd",
                 n, impl->name, align, acc, alen, pos, len,
                 CALL (impl, (char *) (p + align), (char *) acc),
                 (pos < len ? pos : len));
           ret = 1;
         }
    }
}

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static void do_test ( size_t  align,
size_t  pos,
size_t  len 
) [static]

Definition at line 98 of file test-strspn.c.

{
  size_t i;
  char *acc, *s;

  align &= 7;
  if (align + pos + 10 >= page_size || len > 240 || ! len)
    return;

  acc = (char *) (buf2 + (random () & 255));
  s = (char *) (buf1 + align);

  for (i = 0; i < len; ++i)
    {
      acc[i] = random () & 255;
      if (!acc[i])
       acc[i] = random () & 255;
      if (!acc[i])
       acc[i] = 1 + (random () & 127);
    }
  acc[len] = '\0';

  for (i = 0; i < pos; ++i)
    s[i] = acc[random () % len];
  s[pos] = random () & 255;
  if (strchr (acc, s[pos]))
    s[pos] = '\0';
  else
    {
      for (i = pos + 1; i < pos + 10; ++i)
       s[i] = random () & 255;
      s[i] = '\0';
    }

  if (HP_TIMING_AVAIL)
    printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);

  FOR_EACH_IMPL (impl, 0)
    do_one_test (impl, s, acc, pos);

  if (HP_TIMING_AVAIL)
    putchar ('\n');
}

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size_t simple_strspn ( const char *  s,
const char *  acc 
)

Definition at line 33 of file test-strspn.c.

{
  const char *r, *str = s;
  char c;

  while ((c = *s++) != '\0')
    {
      for (r = acc; *r != '\0'; ++r)
       if (*r == c)
         break;
      if (*r == '\0')
       return s - str - 1;
    }
  return s - str - 1;
}
size_t stupid_strspn ( const char *  s,
const char *  acc 
)

Definition at line 50 of file test-strspn.c.

{
  size_t ns = strlen (s), nacc = strlen (acc);
  size_t i, j;

  for (i = 0; i < ns; ++i)
    {
      for (j = 0; j < nacc; ++j)
       if (s[i] == acc[j])
         break;
      if (j == nacc)
       return i;
    }
  return i;
}

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int test_main ( void  )

Definition at line 209 of file test-strspn.c.

{
  size_t i;

  test_init ();

  printf ("%32s", "");
  FOR_EACH_IMPL (impl, 0)
    printf ("\t%s", impl->name);
  putchar ('\n');

  for (i = 0; i < 32; ++i)
    {
      do_test (0, 512, i);
      do_test (i, 512, i);
    }

  for (i = 1; i < 8; ++i)
    {
      do_test (0, 16 << i, 4);
      do_test (i, 16 << i, 4);
    }

  for (i = 1; i < 8; ++i)
    do_test (i, 64, 10);

  for (i = 0; i < 64; ++i)
    do_test (0, i, 6);

  do_random_tests ();
  return ret;
}

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