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