[pgpool-committers: 1060] pgpool: Add regression test suit.

[Tatsuo Ishii]

Add regression test suit.

This is just a starting point of tests and more tests should be added.

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=3f8155c64f859d5255cb4a6fa2840af1275a9b73

Modified Files
--------------
test/regression/README                             |   28 +++++++
test/regression/clean.sh                           |   17 +++++
test/regression/libs.sh                            |   16 ++++
test/regression/regress.sh                         |   43 +++++++++++
test/regression/tests/001.load_balance/test.sh     |   77 +++++++++++++++++++
.../tests/002.native_replication/test.sh           |   53 +++++++++++++
test/regression/tests/003.failover/expected.r      |    6 ++
test/regression/tests/003.failover/expected.s      |    6 ++
test/regression/tests/003.failover/test.sh         |   43 +++++++++++
test/regression/tests/050.bug58/test.sh            |   48 ++++++++++++
test/regression/tests/051.bug60/bug.sql            |   12 +++
test/regression/tests/051.bug60/database-clean.sql |    6 ++
test/regression/tests/051.bug60/database-setup.sql |   28 +++++++
test/regression/tests/051.bug60/test.sh            |   75 +++++++++++++++++++
test/regression/tests/052.do_query/test.sh         |   42 +++++++++++
.../regression/tests/053.insert_lock_hangs/test.sh |   79 ++++++++++++++++++++
16 files changed, 579 insertions(+)