summaryrefslogtreecommitdiff
path: root/pjlib/src/pjlib-test/pool.c
diff options
context:
space:
mode:
Diffstat (limited to 'pjlib/src/pjlib-test/pool.c')
-rw-r--r--pjlib/src/pjlib-test/pool.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/pjlib/src/pjlib-test/pool.c b/pjlib/src/pjlib-test/pool.c
new file mode 100644
index 00000000..8b9d1ff0
--- /dev/null
+++ b/pjlib/src/pjlib-test/pool.c
@@ -0,0 +1,164 @@
+/* $Header: /pjproject-0.3/pjlib/src/pjlib-test/pool.c 2 10/14/05 12:26a Bennylp $
+ */
+/*
+ * $Log: /pjproject-0.3/pjlib/src/pjlib-test/pool.c $
+ *
+ * 2 10/14/05 12:26a Bennylp
+ * Finished error code framework, some fixes in ioqueue, etc. Pretty
+ * major.
+ *
+ */
+#include <pj/pool.h>
+#include <pj/rand.h>
+#include <pj/log.h>
+#include "test.h"
+
+/**
+ * \page page_pjlib_pool_test Test: Pool
+ *
+ * This file provides implementation of \b pool_test(). It tests the
+ * functionality of the memory pool.
+ *
+ *
+ * This file is <b>pjlib-test/pool.c</b>
+ *
+ * \include pjlib-test/pool.c
+ */
+
+
+#if INCLUDE_POOL_TEST
+
+#define SIZE 4096
+
+/* Normally we should throw exception when memory alloc fails.
+ * Here we do nothing so that the flow will go back to original caller,
+ * which will test the result using NULL comparison. Normally caller will
+ * catch the exception instead of checking for NULLs.
+ */
+static void null_callback(pj_pool_t *pool, pj_size_t size)
+{
+ PJ_UNUSED_ARG(pool);
+ PJ_UNUSED_ARG(size);
+}
+
+#define GET_FREE(p) (pj_pool_get_capacity(p)-pj_pool_get_used_size(p))
+
+/* Test that the capacity and used size reported by the pool is correct.
+ */
+static int capacity_test(void)
+{
+ pj_pool_t *pool = pj_pool_create(mem, NULL, SIZE, 0, &null_callback);
+ pj_size_t freesize;
+
+ PJ_LOG(3,("test", "...capacity_test()"));
+
+ if (!pool)
+ return -200;
+
+ freesize = GET_FREE(pool);
+
+ if (pj_pool_alloc(pool, freesize) == NULL) {
+ PJ_LOG(3,("test", "...error: wrong freesize %u reported",
+ freesize));
+ pj_pool_release(pool);
+ return -210;
+ }
+
+ pj_pool_release(pool);
+ return 0;
+}
+
+/* Test function to drain the pool's space.
+ */
+static int drain_test(pj_size_t size, pj_size_t increment)
+{
+ pj_pool_t *pool = pj_pool_create(mem, NULL, size, increment,
+ &null_callback);
+ pj_size_t freesize;
+ void *p;
+ int status = 0;
+
+ PJ_LOG(3,("test", "...drain_test(%d,%d)", size, increment));
+
+ if (!pool)
+ return -10;
+
+ /* Get free size */
+ freesize = GET_FREE(pool);
+ if (freesize < 1) {
+ status=-15;
+ goto on_error;
+ }
+
+ /* Drain the pool until there's nothing left. */
+ while (freesize > 0) {
+ int size;
+
+ if (freesize > 255)
+ size = ((pj_rand() & 0x000000FF) + 4) & ~0x03L;
+ else
+ size = freesize;
+
+ p = pj_pool_alloc(pool, size);
+ if (!p) {
+ status=-20; goto on_error;
+ }
+
+ freesize -= size;
+ }
+
+ /* Check that capacity is zero. */
+ if (GET_FREE(pool) != 0) {
+ PJ_LOG(3,("test", "....error: returned free=%u (expecting 0)",
+ GET_FREE(pool)));
+ status=-30; goto on_error;
+ }
+
+ /* Try to allocate once more */
+ p = pj_pool_alloc(pool, 257);
+ if (!p) {
+ status=-40; goto on_error;
+ }
+
+ /* Check that capacity is NOT zero. */
+ if (GET_FREE(pool) == 0) {
+ status=-50; goto on_error;
+ }
+
+
+on_error:
+ pj_pool_release(pool);
+ return status;
+}
+
+int pool_test(void)
+{
+ enum { LOOP = 2 };
+ int loop;
+ int rc;
+
+ rc = capacity_test();
+ if (rc) return rc;
+
+ for (loop=0; loop<LOOP; ++loop) {
+ /* Test that the pool should grow automaticly. */
+ rc = drain_test(SIZE, SIZE);
+ if (rc != 0) return rc;
+
+ /* Test situation where pool is not allowed to grow.
+ * We expect the test to return correct error.
+ */
+ rc = drain_test(SIZE, 0);
+ if (rc != -40) return rc;
+ }
+
+ return 0;
+}
+
+#else
+/* To prevent warning about "translation unit is empty"
+ * when this test is disabled.
+ */
+int dummy_pool_test;
+#endif /* INCLUDE_POOL_TEST */
+