# 2012 June 02
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# The tests in this file focus on testing test that the LSM log file is 
# written and recovered correctly. This file focuses on the reading and
# writing of the log file with synchronous=FULL
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/log_common.tcl
set testprefix log3

#-------------------------------------------------------------------------
# Test that get/set LSM_CONFIG_SAFETY lsm_config() requests appear to
# work. Integer values 0, 1 and 2 should be accepted, all else rejected.
#
do_test 1.0 { sqlite4_lsm_config db main safety    } {1}
do_test 1.1 { sqlite4_lsm_config db main safety -1 } {1}
do_test 1.2 { sqlite4_lsm_config db main safety 0  } {0}
do_test 1.3 { sqlite4_lsm_config db main safety    } {0}
do_test 1.4 { sqlite4_lsm_config db main safety 1  } {1}
do_test 1.5 { sqlite4_lsm_config db main safety    } {1}
do_test 1.6 { sqlite4_lsm_config db main safety 2  } {2}
do_test 1.7 { sqlite4_lsm_config db main safety    } {2}
do_test 1.8 { sqlite4_lsm_config db main safety 3  } {2}
do_test 1.9 { sqlite4_lsm_config db main safety    } {2}

#-------------------------------------------------------------------------
reset_db
do_test 2.0 { sqlite4_lsm_config db main safety   2    } {2}

do_execsql_test 2.2 {
  CREATE TABLE t1(a PRIMARY KEY, b);
  INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
} {}
do_filesize_test 2.3   262144 1024

do_execsql_test 2.4 {
  BEGIN;
    INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
    INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
    INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
    INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
    INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
    INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
  COMMIT;
} {}
do_filesize_test 2.5   262144 2048

do_test         2.6 { optimize_db } {}
do_execsql_test 2.7 { INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50)) }
do_test         2.8 { sqlite4_lsm_checkpoint db main } {}
do_test 2.9 { sqlite4_lsm_info db main log-structure } {0 0 0 0 2560 3072}

for {set i 1} {$i <= 6} {incr i} {
  do_execsql_test 2.10.$i.1 {
    INSERT INTO t1 VALUES(randstr(50,50), randstr(50,50));
  }
  do_execsql_test 2.10.$i.2 { SELECT count(*) FROM t1 } [expr 8 + $i]
  do_recover_test 2.10.$i.3 { SELECT count(*) FROM t1 } [expr 8 + $i]
}

do_test 2.11 { 
  sqlite4_lsm_info db main log-structure 
} {0 0 0 0 2560 6144}


finish_test
