diff options
| author | Cody P Schafer <cody@linux.vnet.ibm.com> | 2013-09-11 14:25:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-11 15:59:20 -0700 |
| commit | a791a62fdf288b2658646e2052400d456874790e (patch) | |
| tree | 8412e41213fca92c65f56e6f312ef8b9545cf35c /lib | |
| parent | 2b529089257705499207ce7da9d0e3ae26a844ba (diff) | |
| download | lwn-a791a62fdf288b2658646e2052400d456874790e.tar.gz lwn-a791a62fdf288b2658646e2052400d456874790e.zip | |
rbtree_test: add test for postorder iteration
Just check that we examine all nodes in the tree for the postorder
iteration.
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Reviewed-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: David Woodhouse <David.Woodhouse@intel.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/rbtree_test.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/rbtree_test.c b/lib/rbtree_test.c index 122f02f9941b..31dd4ccd3baa 100644 --- a/lib/rbtree_test.c +++ b/lib/rbtree_test.c @@ -114,6 +114,16 @@ static int black_path_count(struct rb_node *rb) return count; } +static void check_postorder(int nr_nodes) +{ + struct rb_node *rb; + int count = 0; + for (rb = rb_first_postorder(&root); rb; rb = rb_next_postorder(rb)) + count++; + + WARN_ON_ONCE(count != nr_nodes); +} + static void check(int nr_nodes) { struct rb_node *rb; @@ -136,6 +146,8 @@ static void check(int nr_nodes) WARN_ON_ONCE(count != nr_nodes); WARN_ON_ONCE(count < (1 << black_path_count(rb_last(&root))) - 1); + + check_postorder(nr_nodes); } static void check_augmented(int nr_nodes) |