Ring containers source code: ring_alloc

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file: ring_alloc_test.c

1 /* 2 * Copyright (C) 2008-2009 by Emmanuel Azencot under the GNU LGPL 3 * license version 2.0 or 2.1. You should have received a copy of the 4 * LGPL license along with this library if you did not you can find it 5 * at http://www.gnu.org/. 6 */ 7 /* 8 * Azencot : Sat Dec 6 11:14:08 CET 2008 9 * Creation 10 */ 11 #include <stdio.h> 12 #include <errno.h> 13 #include <assert.h> 14 15 #include "ring.h" 16 #include "ring_alloc.h" 17 18 unsigned char /*X*/ region[0x20000]; 19 20 int /*X*/ main(int argc, char *argv[]) { 21 to_mempool mempool; 22 struct s_mempool_info info; 23 struct s_mempool_stats stats; 24 void *mem; 25 26 { 27 void *mem[6]; 28 int size, i; 29 assert ( !f_mempool_info(&info) ); 30 size = info.pool_head_size + 5*(info.pool_head_size +40); 31 assert( (mempool = f_mempool_init(size, region)) ) ; 32 for ( i = 0; i < 5; ++i ) { 33 assert( (mem[i] = f_mempool_malloc(mempool, 40)) ); 34 } 35 assert( !f_mempool_free(mempool, mem[1]) ); 36 assert( !f_mempool_free(mempool, mem[3]) ); 37 assert( !f_mempool_free(mempool, mem[5]) ); 38 assert( !f_mempool_free(mempool, mem[0]) ); 39 assert( !f_mempool_free(mempool, mem[2]) ); 40 assert( !f_mempool_free(mempool, mem[4]) ); 41 } 42 assert( !(mempool = f_mempool_init(0, region)) && errno == ENOMEM) ; 43 assert( !(mempool = f_mempool_init(16, region)) && errno == ENOMEM) ; 44 assert( !(mempool = f_mempool_init(200, 0)) && errno == EFAULT) ; 45 46 assert ( !f_mempool_info(&info) ); 47 assert( info.options.stats && info.options.chk_pool && info.options.chk_blk ); 48 assert( info.pool_head_size >= 3*sizeof(void *) ); 49 assert( info.block_head_size >= 1*sizeof(void *) ); 50 // printf("pool_head_size = %d, block_head_size = %d\n", info.pool_head_size, info.block_head_size); 51 assert( !(mempool = f_mempool_init(info.pool_head_size +info.block_head_size -1, region)) && errno == ENOMEM) ; 52 assert( (mempool = f_mempool_init(info.pool_head_size +info.block_head_size, region)) ) ; 53 assert( f_mempool_stats(mempool, &stats) == 0 ) ; 54 assert( (mem = f_mempool_malloc(mempool, 0)) ); 55 assert( f_mempool_free(mempool, (void *)0x30) == -1 && errno == ENOTDIR); 56 errno = 0; assert( !f_mempool_free(mempool, 0) && errno == 0); 57 assert( !f_mempool_free(mempool, mem) ); 58 assert( f_mempool_free(mempool, mem) == -1 && errno == ENOENT); 59 return 0; 60 }