/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 * 
 *  Gearmand client and server library.
 *
 *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
 *  All rights reserved.
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 *
 *      * Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
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 *      * Redistributions in binary form must reproduce the above
 *  copyright notice, this list of conditions and the following disclaimer
 *  in the documentation and/or other materials provided with the
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 *  promote products derived from this software without specific prior
 *  written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */

// We let libmemcached/common.h define config since we are looking at
// library internals.

#define BUILDING_LIBMEMCACHED

#include <libmemcached/common.h>

#include <libtest/test.hpp>

#include <libmemcached/error.h>
#include <tests/string.h>

test_return_t string_static_null(memcached_st *memc)
{
  memcached_string_st string;
  memcached_string_st *string_ptr;

  string_ptr= memcached_string_create(memc, &string, 0);
  test_true(string.options.is_initialized == true);
  test_true(string_ptr);

  /* The following two better be the same! */
  test_true(memcached_is_allocated(string_ptr) == false);
  test_true(memcached_is_allocated(&string) == false);
  test_true(&string == string_ptr);

  test_true(string.options.is_initialized == true);
  test_true(memcached_is_initialized(&string) == true);
  memcached_string_free(&string);
  test_true(memcached_is_initialized(&string) == false);

  return TEST_SUCCESS;
}

test_return_t string_alloc_null(memcached_st *memc)
{
  memcached_string_st *string;

  string= memcached_string_create(memc, NULL, 0);
  test_true(string);
  test_true(memcached_is_allocated(string) == true);
  test_true(memcached_is_initialized(string) == true);
  memcached_string_free(string);

  return TEST_SUCCESS;
}

test_return_t string_alloc_with_size(memcached_st *memc)
{
  memcached_string_st *string;

  string= memcached_string_create(memc, NULL, 1024);
  test_true(string);
  test_true(memcached_is_allocated(string) == true);
  test_true(memcached_is_initialized(string) == true);
  memcached_string_free(string);

  return TEST_SUCCESS;
}

test_return_t string_alloc_with_size_toobig(memcached_st *memc)
{
  memcached_string_st *string;

  string= memcached_string_create(memc, NULL, SIZE_MAX);
  test_true(string == NULL);

  return TEST_SUCCESS;
}

test_return_t string_alloc_append(memcached_st *memc)
{
  unsigned int x;
  char buffer[SMALL_STRING_LEN];
  memcached_string_st *string;

  /* Ring the bell! */
  memset(buffer, 6, SMALL_STRING_LEN);

  string= memcached_string_create(memc, NULL, 100);
  test_true(string);
  test_true(memcached_is_allocated(string) == true);
  test_true(memcached_is_initialized(string) == true);

  for (x= 0; x < 1024; x++)
  {
    memcached_return_t rc;
    rc= memcached_string_append(string, buffer, SMALL_STRING_LEN);
    test_true(rc == MEMCACHED_SUCCESS);
  }
  test_true(memcached_is_allocated(string) == true);
  memcached_string_free(string);

  return TEST_SUCCESS;
}

test_return_t string_alloc_append_toobig(memcached_st *memc)
{
  memcached_return_t rc;
  char buffer[SMALL_STRING_LEN];
  memcached_string_st *string;

  /* Ring the bell! */
  memset(buffer, 6, sizeof(buffer));

  string= memcached_string_create(memc, NULL, 100);
  test_true(string);
  test_true(memcached_is_allocated(string) == true);
  test_true(memcached_is_initialized(string) == true);

  for (unsigned int x= 0; x < 1024; x++)
  {
    rc= memcached_string_append(string, buffer, SMALL_STRING_LEN);
    test_true(rc == MEMCACHED_SUCCESS);
  }
  rc= memcached_string_append(string, buffer, SIZE_MAX);
  test_true(rc == MEMCACHED_MEMORY_ALLOCATION_FAILURE);
  test_true(memcached_is_allocated(string) == true);
  memcached_string_free(string);

  return TEST_SUCCESS;
}

test_return_t string_alloc_append_multiple(memcached_st *memc)
{
  memcached_string_st *error_string= memcached_string_create(memc, NULL, 1024);
  memcached_string_append(error_string, memcached_literal_param("Error occured while parsing: "));
  memcached_string_append(error_string, memcached_string_make_from_cstr("jog the strlen() method"));
  memcached_string_append(error_string, memcached_literal_param(" ("));

  memcached_string_append(error_string, memcached_string_make_from_cstr(memcached_strerror(NULL, MEMCACHED_SUCCESS)));
  memcached_string_append(error_string, memcached_literal_param(")"));

  memcached_string_free(error_string);

  return TEST_SUCCESS;
}