# 2017 September 19
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the operation of the library in
# "PRAGMA journal_mode=WAL2" mode.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
source $testdir/malloc_common.tcl
source $testdir/wal_common.tcl

set testprefix wal2openclose
ifcapable !wal {finish_test ; return }

do_execsql_test 1.0 {
  CREATE TABLE t1(a, b, c);
  PRAGMA journal_mode = wal2;
  PRAGMA wal_autocheckpoint = 0;
  PRAGMA journal_size_limit = 75000;
} {wal2 0 75000}

do_test 1.1 {
  for {set ii 1} {$ii <= 200} {incr ii} {
    execsql {
      INSERT INTO t1 VALUES($ii, $ii, $ii);
    }
  }
  expr ([file size test.db-wal2] - 75000) > 30000
} {1}

do_test 1.2 {
  db close
  list [file exists test.db-wal] [file exists test.db-wal2]
} {0 0}

sqlite3 db test.db
do_execsql_test 1.3 {
  SELECT sum(c) FROM t1
} {20100}
db close

#-------------------------------------------------------------------------
reset_db
do_execsql_test 2.0 {
  CREATE TABLE t1(a, b, c);
  PRAGMA journal_mode = wal2;
  INSERT INTO t1 VALUES(1, 2, 3);
} {wal2}
db_save_and_close

db_restore_and_reopen
do_execsql_test 2.1 {
  SELECT * FROM t1;
} {1 2 3}

do_test 2.2 {
  sqlite3 db2 test.db
  db2 eval {INSERT INTO t1 VALUES(4, 5, 6)}
  db2 close
} {}

breakpoint
db close
sqlite3 db test.db
do_execsql_test 2.2 {
  SELECT * FROM t1;
} {1 2 3 4 5 6}



finish_test