lnav/test/test_auto_mem.cc
2013-05-02 23:02:03 -07:00

88 lines
2.5 KiB
C++

/**
* Copyright (c) 2007-2012, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * 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 distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <unistd.h>
#include "auto_mem.hh"
struct my_data {
int dummy1;
int dummy2;
};
int free_count;
void *last_free;
void my_free(void *mem)
{
free_count += 1;
last_free = mem;
}
int main(int argc, char *argv[])
{
int retval = EXIT_SUCCESS;
auto_mem<struct my_data, my_free> md1, md2;
struct my_data md1_val, md2_val;
md1 = &md1_val;
assert(free_count == 1);
md1 = md2;
assert(free_count == 2);
assert(last_free == &md1_val);
assert(md1 == NULL);
md1 = &md2_val;
assert(free_count == 3);
assert(last_free == NULL);
*md1.out() = &md1_val;
assert(free_count == 4);
assert(last_free == &md2_val);
assert(md1.in() == &md1_val);
{
auto_mem<struct my_data, my_free> md_cp(md1);
assert(md1 == NULL);
assert(free_count == 4);
assert(md_cp == &md1_val);
}
assert(free_count == 5);
assert(last_free == &md1_val);
return retval;
}