[ -30281104, TS_MW, '19690115123456', 'Negative TS_UNIX to TS_MW' ],
[ $t, TS_UNIX, 979562096, 'TS_UNIX to TS_UNIX' ],
[ $t, TS_DB, '2001-01-15 12:34:56', 'TS_UNIX to TS_DB' ],
[ -30281104, TS_MW, '19690115123456', 'Negative TS_UNIX to TS_MW' ],
[ $t, TS_UNIX, 979562096, 'TS_UNIX to TS_UNIX' ],
[ $t, TS_DB, '2001-01-15 12:34:56', 'TS_UNIX to TS_DB' ],