1 files changed, 93 insertions, 0 deletions
diff --git a/src/lib/tests/shm_du_map_test_du_buff_create.c b/src/lib/tests/shm_du_map_test_du_buff_create.c
new file mode 100644
index 00000000..9f66b20c
--- /dev/null
+++ b/src/lib/tests/shm_du_map_test_du_buff_create.c
@@ -0,0 +1,93 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Test of the Shared Memory Map
+ *
+ *    Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <ouroboros/shm_du_map.h>
+#include <sys/mman.h>
+
+
+#define SHM_DU_BLOCK_DATA_SIZE (SHM_DU_BUFF_BLOCK_SIZE - 3 * sizeof(long))
+#define TEST_BUFF_SIZE (16 * SHM_DU_BLOCK_DATA_SIZE)
+
+#define MAX(a,b) (a > b ? a : b)
+#define MIN(a,b) (a < b ? a : b)
+
+int shm_du_map_test_du_buff_create(int argc, char ** argv)
+{
+        struct shm_du_map * dum;
+        struct shm_du_map * dum2;
+
+        int i, j, k;
+        int i_inc, j_inc, k_inc;
+
+        uint8_t bits[TEST_BUFF_SIZE];
+
+        shm_unlink(SHM_DU_MAP_FILENAME);
+
+        dum = shm_du_map_create();
+
+        if (dum == NULL)
+                return -1;
+
+        for (i = 0; i < TEST_BUFF_SIZE; i++)
+                bits[i] = 0;
+
+        i_inc = MAX(1, SHM_DU_BLOCK_DATA_SIZE / 4);
+        j_inc = MAX(1, SHM_DU_BLOCK_DATA_SIZE / 8);
+        k_inc = MAX(1, SHM_DU_BLOCK_DATA_SIZE / 16);
+
+        for (i = SHM_DU_BUFF_BLOCK_SIZE / 4; i <= TEST_BUFF_SIZE; i += i_inc) {
+                for (j = 0; j < i; j += j_inc) {
+                        for (k = 0; k < i - j; k += k_inc) {
+                                if (k > SHM_DU_BLOCK_DATA_SIZE)
+                                        continue;
+
+                                if (i - (j + k) > SHM_DU_BLOCK_DATA_SIZE)
+                                        continue;
+
+                                struct shm_du_buff * dub = shm_create_du_buff(
+                                        dum,
+                                        i,
+                                        k,
+                                        bits,
+                                        j);
+                                if (dub == NULL) {
+                                        shm_du_map_close(dum);
+                                        return -1;
+                                }
+                                shm_release_du_buff(dum, dub);
+                        }
+                }
+        }
+
+        dum2 = shm_du_map_open();
+
+        if (dum2 == NULL) {
+                shm_du_map_close(dum);
+                return 1;
+        }
+
+        shm_du_map_close(dum2);
+
+        shm_du_map_close(dum);
+
+        return 0; /* tests succeeded */
+}