[PATCH v2 2/2] maple_tree: Add some alloc node test case

[Jiazi Li]

Add some maple_tree alloc node tese case.

Suggested-by: Liam R. Howlett <Liam.Howlett at oracle.com>
Signed-off-by: Jiazi Li <jqqlijiazi at gmail.com>
---
 tools/testing/radix-tree/maple.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c
index cd1cf05503b4..eced5ccb43bd 100644
--- a/tools/testing/radix-tree/maple.c
+++ b/tools/testing/radix-tree/maple.c
@@ -461,6 +461,28 @@ static noinline void __init check_new_node(struct maple_tree *mt)
 	MT_BUG_ON(mt, mas_allocated(&mas) != 10 + MAPLE_ALLOC_SLOTS - 1);
 	mas_destroy(&mas);
 
+	mas.node = MA_ERROR(-ENOMEM);
+	mas_node_count(&mas, MAPLE_ALLOC_SLOTS + 1); /* Request */
+	mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS + 1);
+	mas.node = MA_ERROR(-ENOMEM);
+	mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 2 + 2); /* Request */
+	mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+	mas.status = ma_start;
+	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 2 + 2);
+	mas_destroy(&mas);
+
+	mas.node = MA_ERROR(-ENOMEM);
+	mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 2 + 1); /* Request */
+	mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 2 + 1);
+	mas.node = MA_ERROR(-ENOMEM);
+	mas_node_count(&mas, MAPLE_ALLOC_SLOTS * 3 + 2); /* Request */
+	mas_nomem(&mas, GFP_KERNEL); /* Fill request */
+	mas.status = ma_start;
+	MT_BUG_ON(mt, mas_allocated(&mas) != MAPLE_ALLOC_SLOTS * 3 + 2);
+	mas_destroy(&mas);
+
 	mtree_unlock(mt);
 }
 
-- 
2.17.1