# 2018 Dec 28
#
# 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 contains fault injection tests designed to test the concurrent
# transactions feature.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set testprefix concfault2

ifcapable !concurrent {
  finish_test
  return
}

do_execsql_test 1.0 {
  PRAGMA auto_vacuum = 0;
  PRAGMA journal_mode = wal2;
  CREATE TABLE t1(a PRIMARY KEY, b);
  CREATE TABLE t2(a PRIMARY KEY, b);
  INSERT INTO t1 VALUES(randomblob(1000), randomblob(100));
  INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
  INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
  INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
  INSERT INTO t1 SELECT randomblob(1000), randomblob(1000) FROM t1;
  DELETE FROM t1 WHERE rowid%2;
} {wal2}

do_test 1.1 {
  list [expr [file size test.db-wal]>75000] [file size test.db-shm]
} {1 32768}

faultsim_save_and_close

do_faultsim_test 1 -prep {
  faultsim_restore_and_reopen
  execsql {
    SELECT * FROM t1;
    BEGIN CONCURRENT;
      INSERT INTO t2 VALUES(1, 2);
  }
  sqlite3 db2 test.db
  execsql {
    PRAGMA journal_size_limit = 10000;
    INSERT INTO t1 VALUES(randomblob(1000), randomblob(1000));
  } db2
  db2 close
} -body {
  execsql { COMMIT }
} -test {
  faultsim_test_result {0 {}} 
  catchsql { ROLLBACK }
  set res [catchsql { SELECT count(*) FROM t1 }]
  if {$res!="0 9"} { error "expected {0 9} got {$res}" }
  faultsim_integrity_check
}

finish_test