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aa73838a5c
This module includes two functions: - test_saslprep(), that performs pg_saslprep on a bytea. - test_saslprep_ranges(), able to check for all valid ranges of UTF-8 codepoints pg_saslprep() handles each one of them. This provides a detailed coverage of our implementation of SASLprep() used for SCRAM, with: - ASCII characters. - Incomplete UTF-8 sequences, for 390b3cbbb2af (later backpatched). - A more advanced check for all the valid UTF-8 ranges of codepoints, to check for cases where these generate an empty password, based on an original suggestion from Heikki Linnakangas. This part consumes resources and time, so it is implemented as a TAP test under a new PG_TEST_EXTRA value. A different patch is still under discussion to tweak our internal SASLprep() implementation, and this module can be used to track any changes in behavior. Author: Michael Paquier <michael@paquier.xyz> Reviewed-by: John Naylor <johncnaylorls@gmail.com> Discussion: https://postgr.es/m/aaEJ-El2seZHeFcG@paquier.xyz