Add some comments about rbtree to make it more readable
Add more detail infos to make the purpose and process
of the test cases more clear which include test goal,
test step, input, judging criteria, constraints, etc.,
and these can be seen in our Zephyr documentations.
Signed-off-by: Ningx Zhao <ningx.zhao@intel.com>
Initialize root field to NULL, so that 'test_tree_l.roo.max_depth'
will be assigned a valid value in function rb_insert().
Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
add a new testcase to:
Verify some operations of rbree are running in
logarithmic time.
Verify an user defined structure contains rbtree node works.
verify "for each"style APIs work.
Signed-off-by: Ningx Zhao <ningx.zhao@intel.com>
