# 2023 April 14
#
# 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 script is testing the FTS5 module.
#

source [file join [file dirname [info script]] fts5_common.tcl]
source $testdir/malloc_common.tcl
set testprefix fts5securefault

# If SQLITE_ENABLE_FTS5 is not defined, omit this file.
return_if_no_fts5

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(ab);
  INSERT INTO t1(rowid, ab) VALUES
      (0, 'abc'), (1, 'abc'), (2, 'abc'), (3, 'abc'), (4, 'def');
}
faultsim_save_and_close

do_faultsim_test 1.1 -faults oom* -prep {
  faultsim_restore_and_reopen
  execsql {
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} -body {
  execsql { DELETE FROM t1 WHERE rowid=2 }
} -test {
  faultsim_test_result {0 {}}
}
do_faultsim_test 1.2 -faults oom* -prep {
  faultsim_restore_and_reopen
  execsql {
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} -body {
  execsql { DELETE FROM t1 WHERE rowid IN(0, 1, 2, 3, 4) }
} -test {
  faultsim_test_result {0 {}}
}

#-------------------------------------------------------------------------
#
reset_db
set big  [string repeat abcdefghij 5]
set big2 [string repeat klmnopqrst 5]
set doc "$big $big2"

do_execsql_test 2.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(ab);
  INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
  WITH s(i) AS (
    SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<4
  )
  INSERT INTO t1(rowid, ab) SELECT i, $doc FROM s;
}
faultsim_save_and_close

do_faultsim_test 2.1 -faults oom* -prep {
  faultsim_restore_and_reopen
  execsql {
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} -body {
  execsql { DELETE FROM t1 WHERE rowid = 3 }
  execsql { DELETE FROM t1 WHERE rowid = 4 }
} -test {
  faultsim_test_result {0 {}}
}

#-------------------------------------------------------------------------
#
reset_db
set big  [string repeat abcdefghij 5]
set big2 [string repeat klmnopqrst 5]
set doc "$big $big2"

do_execsql_test 3.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(ab);
  INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
  WITH s(i) AS (
    SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<25
  )
  INSERT INTO t1(rowid, ab) SELECT i, $doc FROM s;

  INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  DELETE FROM t1 WHERE rowid BETWEEN 3 AND 23;
}
faultsim_save_and_close

do_faultsim_test 3.1 -faults oom* -prep {
  faultsim_restore_and_reopen
  execsql {
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} -body {
  execsql { DELETE FROM t1 WHERE rowid = 24 }
  execsql { DELETE FROM t1 WHERE rowid = 25 }
} -test {
  faultsim_test_result {0 {}}
}

#-------------------------------------------------------------------------
#
reset_db
set doc [string repeat "tok " 400]

do_execsql_test 4.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(ab);
  INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
  INSERT INTO t1(rowid, ab) VALUES(1, $doc), (2, $doc), (3, $doc);
}
faultsim_save_and_close

do_faultsim_test 4.1 -faults oom* -prep {
  faultsim_restore_and_reopen
  execsql {
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} -body {
  execsql { DELETE FROM t1 WHERE rowid = 2 }
} -test {
  faultsim_test_result {0 {}}
}

#-------------------------------------------------------------------------
#
reset_db

set doc1 [string repeat "abc " 10]
set doc2 [string repeat "def " 10]

do_test 5.0 {
  execsql {
    CREATE VIRTUAL TABLE t1 USING fts5(ab);
    INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
    BEGIN;
  }
  for {set i 0} {$i < 50} {incr i} {
    execsql {
      INSERT INTO t1(rowid, ab) VALUES($i, 'abcdefg');
    }
  }
  execsql {
    INSERT INTO t1(rowid, ab) VALUES(105, 'def');
    COMMIT;
  }
} {}
faultsim_save_and_close

do_faultsim_test 5.1 -faults oom* -prep {
  faultsim_restore_and_reopen
  execsql {
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} -body {
  execsql { DELETE FROM t1 WHERE rowid = 105 }
} -test {
  faultsim_test_result {0 {}}
}

#-------------------------------------------------------------------------
#
reset_db
do_test 6.0 {
  execsql {
    CREATE VIRTUAL TABLE t1 USING fts5(ab);
    INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
    BEGIN;
      INSERT INTO t1(rowid, ab) VALUES(1, 'abcdefg');
      INSERT INTO t1(rowid, ab) VALUES(2, 'abcdefg');
      INSERT INTO t1(rowid, ab) VALUES(3, 'abcdefg');
    COMMIT;
  }
} {}
faultsim_save_and_close

do_faultsim_test 6.1 -faults oom* -prep {
  faultsim_restore_and_reopen
  execsql {
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} -body {
  execsql { 
    UPDATE t1 SET ab='abcdefg' WHERE rowid=2;
  }
} -test {
  faultsim_test_result {0 {}}
}

#-------------------------------------------------------------------------
#
reset_db
do_test 7.0 {
  execsql {
    CREATE VIRTUAL TABLE t1 USING fts5(ab);
    INSERT INTO t1(t1, rank) VALUES('pgsz', 32);
    INSERT INTO t1(t1, rank) VALUES('secure-delete', 1);
  }
} {}
faultsim_save_and_close

do_faultsim_test 7.1 -faults oom* -prep {
  faultsim_restore_and_reopen
  set big1 "[string repeat x 50] [string repeat y 50] [string repeat z 50]"
  execsql {
    BEGIN;
      INSERT INTO t1 VALUES($big1);
  }
} -body {
  execsql { COMMIT }
} -test {
  faultsim_test_result {0 {}}
}


finish_test