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/* $Id: cpl_memory-test.c,v 1.27 2011/12/21 13:15:31 llundin Exp $
*
* This file is part of the ESO Common Pipeline Library
* Copyright (C) 2001-2008 European Southern Observatory
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* $Author: llundin $
* $Date: 2011/12/21 13:15:31 $
* $Revision: 1.27 $
* $Name: cpl-6_1_1 $
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/*-----------------------------------------------------------------------------
Includes
-----------------------------------------------------------------------------*/
#include "cpl_memory.h"
#include "cpl_test.h"
#include "cpl_io_fits.h"
#include "cpl_tools.h"
#include <string.h>
/*-----------------------------------------------------------------------------
Defines
-----------------------------------------------------------------------------*/
#ifndef CPL_XMEMORY_MODE
# error "Must know CPL_XMEMORY_MODE"
#endif
#ifndef CPL_XMEMORY_MAXPTRS
# error "Must know CPL_XMEMORY_MAXPTRS"
#endif
/* Fill the xmemory table to this level */
/* A positive number not exceeding 1.0 */
#ifndef CPL_XMEMORY_FILL
# define CPL_XMEMORY_FILL 0.999
#endif
/* Half the number of pointers to test with */
#if CPL_XMEMORY_MODE == 2
#define CPL_MEMORY_MAXPTRS_HALF \
((int)(0.5*CPL_XMEMORY_MAXPTRS*CPL_XMEMORY_FILL))
#else
#define CPL_MEMORY_MAXPTRS_HALF \
((int)(0.5*200003*CPL_XMEMORY_FILL))
#endif
#if CPL_XMEMORY_MODE == 0
# define CPL_MEMORY_IS_EMPTY -1
# define CPL_MEMORY_IS_NON_EMPTY -1
#else
# define CPL_MEMORY_IS_EMPTY 1
# define CPL_MEMORY_IS_NON_EMPTY 0
#endif
static int cpl_memory_test_is_empty(void);
static int cpl_memory_test_is_non_empty(void);
/*----------------------------------------------------------------------------*/
/**
* @defgroup cpl_utils_test Testing of the CPL memory functions
*/
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/**
@brief Unit tests of CPL memory module
**/
/*----------------------------------------------------------------------------*/
int main(void)
{
cpl_boolean do_bench;
cpl_test_init(PACKAGE_BUGREPORT, CPL_MSG_WARNING);
/* Need to disable the (unused) FITS caching so no memory is allocated */
(void)cpl_io_fits_end();
do_bench = cpl_msg_get_level() <= CPL_MSG_INFO ? CPL_TRUE : CPL_FALSE;
/* Insert tests below */
#if defined CPL_XMEMORY_MODE
cpl_msg_info(cpl_func, CPL_XSTRINGIFY(CPL_XMEMORY_MODE) ": "
CPL_STRINGIFY(CPL_XMEMORY_MODE) "\n");
#else
cpl_msg_info(cpl_func, "CPL_XMEMORY_MODE is not defined\n");
#endif
/* Test cpl_malloc(), cpl_calloc, cpl_realloc(), cpl_free() */
{
const size_t size = 997;
void * buf1;
void * buf2;
cpl_free(NULL);
if (cpl_msg_get_level() <= CPL_MSG_INFO) cpl_memory_dump();
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_empty());
if (cpl_msg_get_level() <= CPL_MSG_INFO) cpl_memory_dump();
buf1 = cpl_malloc(size);
buf2 = cpl_calloc(size, size);
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
cpl_free(buf1);
cpl_free(buf2);
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_empty());
buf1 = cpl_malloc(size);
buf2 = cpl_calloc(size, size);
cpl_test_nonnull(buf1);
cpl_test_nonnull(buf2);
cpl_test(buf1 != buf2);
cpl_test(memset(buf1, 0, size) == buf1);
cpl_test_zero(memcmp(buf1, buf2, size));
buf2 = cpl_realloc(buf2, size);
cpl_test_nonnull(buf2);
cpl_test(buf1 != buf2);
cpl_test_zero(memcmp(buf1, buf2, size));
cpl_free(buf1);
cpl_free(buf2);
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_empty());
/* Test cpl_malloc() involving zero size */
buf1 = cpl_malloc(0);
if (buf1 == NULL) {
cpl_msg_info(cpl_func, "cpl_malloc(0) returned NULL");
} else {
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
}
cpl_free(buf1);
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_empty());
/* Test cpl_calloc() involving zero size */
buf2 = cpl_calloc(0, 0);
if (buf2 == NULL) {
cpl_msg_info(cpl_func, "cpl_calloc(0, 0) returned NULL");
} else {
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
}
cpl_free(buf2);
buf1 = cpl_calloc(0, size);
if (buf1 == NULL) {
cpl_msg_info(cpl_func, "cpl_calloc(0, size) returned NULL");
}
cpl_free(buf1);
buf1 = cpl_calloc(size, 0);
if (buf1 == NULL) {
cpl_msg_info(cpl_func, "cpl_calloc(size, 0) returned NULL");
} else {
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
}
cpl_free(buf1);
/* Test cpl_realloc() involving zero size */
buf1 = cpl_realloc(NULL, 0);
if (buf1 == NULL) {
cpl_msg_info(cpl_func, "cpl_realloc(NULL, 0) returned NULL");
} else {
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
}
buf1 = cpl_realloc(buf1, 0);
if (buf1 == NULL) {
cpl_msg_info(cpl_func, "cpl_realloc(buf1, 0) returned NULL");
} else {
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
}
buf1 = cpl_realloc(buf1, size);
cpl_test_nonnull(buf1);
buf1 = cpl_realloc(buf1, 0);
if (buf1 == NULL) {
cpl_msg_info(cpl_func, "cpl_realloc(buf1, 0) returned NULL");
} else {
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
}
cpl_free(buf1);
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_empty());
}
/* Test cpl_sprintf() */
{
const char * string = __FILE__; /* Some non-empty string */
char * null; /* This string is supposed to always be NULL */
const char * null2; /* This string is supposed to always be NULL */
char * nonnull; /* String is supposed to never be NULL */
/* Create a copy of an empty string */
nonnull = cpl_sprintf("%s", "");
cpl_test_error(CPL_ERROR_NONE);
cpl_test_eq_string(nonnull, "");
cpl_free(nonnull);
/* Create a copy of the string */
nonnull = cpl_sprintf("%s", string);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_eq_string(nonnull, string);
cpl_free(nonnull);
/* Successfully create an illegal format string */
nonnull = cpl_sprintf("%s %s", string, "%");
cpl_test_error(CPL_ERROR_NONE);
cpl_test_eq_string(nonnull, __FILE__ " %");
/* Check if an error is produced using that illegal format */
null = cpl_sprintf(nonnull, ".");
if (null != NULL) {
cpl_test_error(CPL_ERROR_NONE);
cpl_msg_warning(cpl_func, "The supposedly illegal format '%s' "
"produced the string: '%s'", nonnull, null);
cpl_free(null);
null = NULL;
} else {
cpl_test_error(CPL_ERROR_ILLEGAL_INPUT);
}
cpl_free(nonnull);
null2 = cpl_sprintf(NULL);
cpl_test_error(CPL_ERROR_NULL_INPUT);
cpl_test_null(null2);
/* A NULL-pointer as a format argument does not trigger an error */
nonnull = cpl_sprintf("%s", null2);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(nonnull);
cpl_free(nonnull);
}
/* Test cpl_strdup() */
{
const char * string = __FILE__; /* Some non-empty string */
char * nonnull; /* String is supposed to never be NULL */
/* Create a copy of the string */
nonnull = cpl_strdup(string);
cpl_test_error(CPL_ERROR_NONE);
cpl_test_nonnull(nonnull);
cpl_test_eq_string(nonnull, string);
cpl_free(nonnull);
}
if (do_bench && CPL_MEMORY_MAXPTRS_HALF > 0) {
/* Always compile the bench-marking code */
int ii = 2;
int i;
void * buf1[CPL_MEMORY_MAXPTRS_HALF];
void * buf2[CPL_MEMORY_MAXPTRS_HALF];
cpl_msg_info("", "Testing memory allocation with %d X 2*%d", ii,
CPL_MEMORY_MAXPTRS_HALF);
do {
for (i = 0; i < CPL_MEMORY_MAXPTRS_HALF; i++) {
buf1[i] = cpl_malloc(16);
buf2[i] = cpl_calloc(4, 16);
}
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
for (i = 0; i < CPL_MEMORY_MAXPTRS_HALF; i++) {
buf1[i] = cpl_realloc(buf1[i], 32);
buf2[i] = cpl_realloc(buf2[i], 32);
}
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_non_empty());
for (i = 0; i < CPL_MEMORY_MAXPTRS_HALF; i++) {
cpl_free(buf1[i]);
cpl_free(buf2[i]);
}
cpl_test_eq(cpl_memory_is_empty(), cpl_memory_test_is_empty());
} while (--ii);
}
if (cpl_msg_get_level() <= CPL_MSG_INFO) cpl_memory_dump();
return cpl_test_end(0);
}
static int cpl_memory_test_is_empty(void) {
#if defined CPL_XMEMORY_MODE && CPL_XMEMORY_MODE != 0
int is_empty = 1;
#else
int is_empty = -1;
#endif
/* Copied from cpl_init() */
const char * memory_mode_string = getenv("CPL_MEMORY_MODE");
if (memory_mode_string != NULL) {
if (strcmp("0", memory_mode_string) == 0) {
is_empty = -1;
} else if (strcmp("1", memory_mode_string) == 0) {
is_empty = 1;
} else if (strcmp("2", memory_mode_string) == 0) {
is_empty = 1;
}
}
return is_empty;
}
static int cpl_memory_test_is_non_empty(void) {
#if defined CPL_XMEMORY_MODE && CPL_XMEMORY_MODE != 0
int is_non_empty = 0;
#else
int is_non_empty = -1;
#endif
/* Copied from cpl_init() */
const char * memory_mode_string = getenv("CPL_MEMORY_MODE");
if (memory_mode_string != NULL) {
if (strcmp("0", memory_mode_string) == 0) {
is_non_empty = -1;
} else if (strcmp("1", memory_mode_string) == 0) {
is_non_empty = 0;
} else if (strcmp("2", memory_mode_string) == 0) {
is_non_empty = 0;
}
}
return is_non_empty;
}
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