Signed-off-by: Leno Hou <leno...@gmail.com>
---
lib/btree_test.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
create mode 100644 lib/btree_test.c
diff --git a/lib/btree_test.c b/lib/btree_test.c
new file mode 100644
index 0000000..90d9048
--- /dev/null
+++ b/lib/btree_test.c
@@ -0,0 +1,77 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/btree.h>
+#include <linux/types.h>
+
+#define NODES 24
+
+struct test_node {
+ u32 key;
+ u32 val;
+};
+
+static struct btree_head32 bh;
+static struct test_node nodes[NODES];
+
+static void init(void)
+{
+ int i;
+
+ for (i = 0; i < NODES; i++) {
+ nodes[i].key = i;
+ nodes[i].val = i;
+ }
+}
+static int __init btree_test_init(void)
+{
+ u32 key = 0;
+ u32 *val = NULL;
+ int i, rc;
+
+ pr_alert("btree testing\n");
+
+ init();
+ rc = btree_init32(&bh);
+
+ if (rc)
+ pr_alert("Unable initialize btree memory\n");
+
+ for (i = 0; i < NODES; i++) {
+ rc = btree_insert32(&bh,
+ nodes[i].key,
+ &nodes[i].val,
+ GFP_ATOMIC);
+
+ if (rc)
+ pr_alert("Unable to insert key into btree\n");
+ }
+
+ pr_alert("========================================\n");
+
+ btree_for_each_safe32(&bh, key, val) {
+ pr_alert("val %d\n", *val);
+ }
+
+ btree_remove32(&bh, 11);
+
+ pr_alert("========================================\n");
+ btree_for_each_safe32(&bh, key, val) {
+ pr_alert("val %d\n", *val);
+ }
+
+ return 0;
+}
+static void __exit btree_test_exit(void)
+{
+ pr_alert("test exit\n");
+ btree_destroy32(&bh);
+
+}
+
+module_init(btree_test_init);
+module_exit(btree_test_exit);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Leno Hou <leno...@gmai.com>");
+MODULE_DESCRIPTION("Simple In-memory B+ Tree test");
--
2.7.4
