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[3/5] radix tree test suite: Add new tag check

Message ID 1481667692-14500-4-git-send-email-mawilcox@linuxonhyperv.com (mailing list archive)
State New, archived
Headers show

Commit Message

Matthew Wilcox Dec. 13, 2016, 10:21 p.m. UTC 
From: Matthew Wilcox <mawilcox@microsoft.com>

We have a check that setting a tag on a single entry at root succeeds,
but we were missing a check that clearing a tag on that same entry also
succeeds.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
---
 tools/testing/radix-tree/tag_check.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/tools/testing/radix-tree/tag_check.c b/tools/testing/radix-tree/tag_check.c
index ed5f87d..fd98c13 100644
--- a/tools/testing/radix-tree/tag_check.c
+++ b/tools/testing/radix-tree/tag_check.c
@@ -324,6 +324,9 @@  static void single_check(void)
 	assert(ret == 1);
 	ret = radix_tree_gang_lookup_tag(&tree, (void **)items, 0, BATCH, 1);
 	assert(ret == 1);
+	item_tag_clear(&tree, 0, 0);
+	ret = radix_tree_gang_lookup_tag(&tree, (void **)items, 0, BATCH, 0);
+	assert(ret == 0);
 	item_kill_tree(&tree);
 }