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-rw-r--r--doc/todo.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/todo.txt b/doc/todo.txt
index 00cbdfe7c..c41a38d1c 100644
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@@ -64,6 +64,10 @@ Much of the code operates at a very low level of abstraction; this has
caused it to be difficult to add tests that vary much from the simple
known answer tests used for the ciphers and hashes.
+All of the simple functions (rotate_left, get_byte, etc) should be
+tested (a failure in one of these causes many failures later, which
+are harder to diagnose).
+
There are significant codepaths that have no tests written for them,
particularly in the X.509 certificate processing code.