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Print the actual value of each function result that's expected to be exact, rather than merely emitting a NULL if it's not right. Although we print these with extra_float_digits = 3, we should not trust that the platform will produce a result visibly different from the expected value if it's off only in the last place; hence, also include comparisons against the exact values as before. This is a bit bulkier and uglier than the previous printout, but it will provide more information and be easier to interpret if there's a test failure. Discussion: <18241.1461073100@sss.pgh.pa.us>
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling thread/ A thread-safety-testing utility used by configure