string-test.c

subversion-1.4.3-1.tar.gz 配置svn的源码

/*
 * string-test.c:  a collection of libsvn_string tests
 *
 * ====================================================================
 * Copyright (c) 2000-2004 CollabNet.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://subversion.tigris.org/license-1.html.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://subversion.tigris.org/.
 * ====================================================================
 */

/* ====================================================================
   To add tests, look toward the bottom of this file.

*/



#include <stdio.h>
#include <string.h>

#include <apr_pools.h>
#include <apr_file_io.h>

#include "svn_io.h"
#include "svn_error.h"
#include "svn_string.h"   /* This includes <apr_*.h> */

#include "../svn_test.h"


/* A quick way to create error messages.  */
static svn_error_t *
fail(apr_pool_t *pool, const char *fmt, ...)
{
  va_list ap;
  char *msg;

  va_start(ap, fmt);
  msg = apr_pvsprintf(pool, fmt, ap);
  va_end(ap);

  return svn_error_create(SVN_ERR_TEST_FAILED, 0, msg);
}


/* Some of our own global variables, for simplicity.  Yes,
   simplicity. */
svn_stringbuf_t *a = NULL, *b = NULL, *c = NULL;
const char *phrase_1 = "hello, ";
const char *phrase_2 = "a longish phrase of sorts, longer than 16 anyway";




static svn_error_t *
test1(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  *msg = "make svn_stringbuf_t from cstring";

  if (msg_only)
    return SVN_NO_ERROR;

  a = svn_stringbuf_create(phrase_1, pool);
  
  /* Test that length, data, and null-termination are correct. */
  if ((a->len == strlen(phrase_1)) && ((strcmp(a->data, phrase_1)) == 0))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test2(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  *msg = "make svn_stringbuf_t from substring of cstring";

  if (msg_only)
    return SVN_NO_ERROR;

  b = svn_stringbuf_ncreate(phrase_2, 16, pool);
  
  /* Test that length, data, and null-termination are correct. */
  if ((b->len == 16) && ((strncmp(b->data, phrase_2, 16)) == 0))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test3(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  char *tmp;
  size_t old_len;
  
  *msg = "append svn_stringbuf_t to svn_stringbuf_t";

  if (msg_only)
    return SVN_NO_ERROR;

  a = svn_stringbuf_create(phrase_1, pool);
  b = svn_stringbuf_ncreate(phrase_2, 16, pool);

  tmp = apr_palloc(pool, (a->len + b->len + 1));
  strcpy(tmp, a->data);
  strcat(tmp, b->data);
  old_len = a->len;
  svn_stringbuf_appendstr(a, b);
  
  /* Test that length, data, and null-termination are correct. */
  if ((a->len == (old_len + b->len)) && ((strcmp(a->data, tmp)) == 0))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test4(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  *msg = "append C string to svn_stringbuf_t";

  if (msg_only)
    return SVN_NO_ERROR;

  a = svn_stringbuf_create(phrase_1, pool);
  svn_stringbuf_appendcstr(a, "new bytes to append");
  
  /* Test that length, data, and null-termination are correct. */
  if (svn_stringbuf_compare 
      (a, svn_stringbuf_create("hello, new bytes to append", pool)))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test5(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  *msg = "append bytes, then compare two strings";

  if (msg_only)
    return SVN_NO_ERROR;

  a = svn_stringbuf_create(phrase_1, pool);
  svn_stringbuf_appendbytes(a, "new bytes to append", 9);

  /* Test that length, data, and null-termination are correct. */
  if (svn_stringbuf_compare 
      (a, svn_stringbuf_create("hello, new bytes", pool)))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test6(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  *msg = "dup two strings, then compare";

  if (msg_only)
    return SVN_NO_ERROR;

  a = svn_stringbuf_create(phrase_1, pool);
  b = svn_stringbuf_create(phrase_2, pool);
  c = svn_stringbuf_dup(a, pool);

  /* Test that length, data, and null-termination are correct. */
  if ((svn_stringbuf_compare(a, c)) && (! svn_stringbuf_compare(b, c)))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test7(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  char *tmp;
  size_t tmp_len;

  *msg = "chopping a string";

  if (msg_only)
    return SVN_NO_ERROR;

  c = svn_stringbuf_create(phrase_2, pool);

  tmp_len = c->len;
  tmp = apr_palloc(pool, c->len + 1);
  strcpy(tmp, c->data);

  svn_stringbuf_chop(c, 11);
  
  if ((c->len == (tmp_len - 11))
      && (strncmp(tmp, c->data, c->len) == 0)
      && (c->data[c->len] == '\0'))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test8(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  *msg = "emptying a string";

  if (msg_only)
    return SVN_NO_ERROR;

  c = svn_stringbuf_create(phrase_2, pool);  

  svn_stringbuf_setempty(c);
  
  if ((c->len == 0) && (c->data[0] == '\0'))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test9(const char **msg, 
      svn_boolean_t msg_only,
      svn_test_opts_t *opts,
      apr_pool_t *pool)
{
  *msg = "fill string with hashmarks";

  if (msg_only)
    return SVN_NO_ERROR;

  a = svn_stringbuf_create(phrase_1, pool);

  svn_stringbuf_fillchar(a, '#');

  if ((strcmp(a->data, "#######") == 0)
      && ((strncmp(a->data, "############", a->len - 1)) == 0)
      && (a->data[(a->len - 1)] == '#')
      && (a->data[(a->len)] == '\0'))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}



static svn_error_t *
test10(const char **msg, 
       svn_boolean_t msg_only,
       svn_test_opts_t *opts,
       apr_pool_t *pool)
{
  svn_stringbuf_t *s, *t;
  size_t len_1 = 0;
  size_t len_2 = 0;
  size_t block_len_1 = 0;
  size_t block_len_2 = 0;
  
  *msg = "block initialization and growth";

  if (msg_only)
    return SVN_NO_ERROR;

  s = svn_stringbuf_create("a small string", pool);
  len_1       = (s->len);
  block_len_1 = (s->blocksize);
  
  t = svn_stringbuf_create(", plus a string more than twice as long", pool);
  svn_stringbuf_appendstr(s, t);
  len_2       = (s->len);
  block_len_2 = (s->blocksize);
  
  /* Test that:
   *   - The initial block was just the right fit.
   *   - The block more than doubled (because second string so long).
   *   - The block grew by a power of 2.
   */
  if ((len_1 == (block_len_1 - 1))
      && ((block_len_2 / block_len_1) > 2)
        && (((block_len_2 / block_len_1) % 2) == 0))
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}


static svn_error_t *
test11(const char **msg, 
       svn_boolean_t msg_only,
       svn_test_opts_t *opts,
       apr_pool_t *pool)
{
  svn_stringbuf_t *s;
  
  *msg = "formatting strings from varargs";

  if (msg_only)
    return SVN_NO_ERROR;

  s = svn_stringbuf_createf(pool, 
                            "This %s is used in test %d.",
                            "string",
                            12);
  
  if (strcmp(s->data, "This string is used in test 12.") == 0)
    return SVN_NO_ERROR;
  else
    return fail(pool, "test failed");
}

static svn_error_t *
check_string_contents(svn_stringbuf_t *string,
                      const char *ftext,
                      apr_size_t ftext_len,
                      int repeat,
                      apr_pool_t *pool)
{
  const char *data;
  apr_size_t len;
  int i;