radix-tree: add test for radix_tree_locate_item()

[cascardo/linux.git] / tools / testing / radix-tree / main.c

diff --git a/tools/testing/radix-tree/main.c b/tools/testing/radix-tree/main.c
index 65231e9..b7619ff 100644 (file)
--- a/tools/testing/radix-tree/main.c
+++ b/tools/testing/radix-tree/main.c
@@ -232,7 +232,7 @@ void copy_tag_check(void)
        item_kill_tree(&tree);
 }
 
-void __locate_check(struct radix_tree_root *tree, unsigned long index,
+static void __locate_check(struct radix_tree_root *tree, unsigned long index,
                        unsigned order)
 {
        struct item *item;
@@ -248,12 +248,25 @@ void __locate_check(struct radix_tree_root *tree, unsigned long index,
        }
 }
 
+static void __order_0_locate_check(void)
+{
+       RADIX_TREE(tree, GFP_KERNEL);
+       int i;
+
+       for (i = 0; i < 50; i++)
+               __locate_check(&tree, rand() % INT_MAX, 0);
+
+       item_kill_tree(&tree);
+}
+
 static void locate_check(void)
 {
        RADIX_TREE(tree, GFP_KERNEL);
        unsigned order;
        unsigned long offset, index;
 
+       __order_0_locate_check();
+
        for (order = 0; order < 20; order++) {
                for (offset = 0; offset < (1 << (order + 3));
                     offset += (1UL << order)) {