rc = SQLITE_NOMEM;
      }else{
        rc = fuzzerLoadRules(db, pNew, zDb, zTab, pzErr);
        sqlite3_free(zTab);
      }

      if( rc==SQLITE_OK ){
        sqlite3_declare_vtab(db, "CREATE TABLE x(word, distance, ruleset)");
      }else{

        fuzzerDisconnect((sqlite3_vtab *)pNew);
        pNew = 0;
      }
    }
  }

  *ppVtab = (sqlite3_vtab *)pNew;

        rc = SQLITE_NOMEM;
      }else{
        rc = fuzzerLoadRules(db, pNew, zDb, zTab, pzErr);
        sqlite3_free(zTab);
      }

      if( rc==SQLITE_OK ){
        rc = sqlite3_declare_vtab(db, "CREATE TABLE x(word,distance,ruleset)");
      }
      if( rc!=SQLITE_OK ){
        fuzzerDisconnect((sqlite3_vtab *)pNew);
        pNew = 0;
      }
    }
  }

  *ppVtab = (sqlite3_vtab *)pNew;

  SELECT word FROM x1 WHERE word MATCH 'xx' LIMIT 10;
} {xx hw hx hy hz ia ib ic id ie}
do_execsql_test 6.2.2 {
  SELECT cTo FROM x1_rules WHERE cFrom='xx' 
  ORDER BY cost asc, rowid asc LIMIT 9;
} {hw hx hy hz ia ib ic id ie}


#-------------------------------------------------------------------------
# Test using different types of quotes with CREATE VIRTUAL TABLE 
# arguments.
#
do_execsql_test 7.1 {
  CREATE TABLE [x2 "rules] (a, b, c, d);
  INSERT INTO [x2 "rules] VALUES(0, 'a', 'b', 5);
................................................................................
} {
  do_execsql_test 7.2.$tn.1 { DROP TABLE IF EXISTS x2 }
  do_execsql_test 7.2.$tn.2 $sql
  do_execsql_test 7.2.$tn.3 { 
    SELECT word FROM x2 WHERE word MATCH 'aaa' 
  } {aaa baa aba aab bab abb bba bbb}
}














































































































finish_test

  SELECT word FROM x1 WHERE word MATCH 'xx' LIMIT 10;
} {xx hw hx hy hz ia ib ic id ie}
do_execsql_test 6.2.2 {
  SELECT cTo FROM x1_rules WHERE cFrom='xx' 
  ORDER BY cost asc, rowid asc LIMIT 9;
} {hw hx hy hz ia ib ic id ie}


#-------------------------------------------------------------------------
# Test using different types of quotes with CREATE VIRTUAL TABLE 
# arguments.
#
do_execsql_test 7.1 {
  CREATE TABLE [x2 "rules] (a, b, c, d);
  INSERT INTO [x2 "rules] VALUES(0, 'a', 'b', 5);
................................................................................
} {
  do_execsql_test 7.2.$tn.1 { DROP TABLE IF EXISTS x2 }
  do_execsql_test 7.2.$tn.2 $sql
  do_execsql_test 7.2.$tn.3 { 
    SELECT word FROM x2 WHERE word MATCH 'aaa' 
  } {aaa baa aba aab bab abb bba bbb}
}

#-------------------------------------------------------------------------
# Test using a fuzzer table in different contexts.
#
do_execsql_test 8.1 {
  CREATE TABLE x3_rules(rule_set, cFrom, cTo, cost);
  INSERT INTO x3_rules VALUES(2, 'a', 'x', 10);
  INSERT INTO x3_rules VALUES(2, 'a', 'y',  9);
  INSERT INTO x3_rules VALUES(2, 'a', 'z',  8);
  CREATE VIRTUAL TABLE x3 USING fuzzer(x3_rules);
}

do_execsql_test 8.2.1 {
  SELECT cFrom, cTo, word 
    FROM x3_rules CROSS JOIN x3 
    WHERE word MATCH 'a' AND cost=distance AND ruleset=2;
} {a x x a y y a z z}

do_execsql_test 8.2.2 {
  SELECT cFrom, cTo, word 
    FROM x3 CROSS JOIN x3_rules
    WHERE word MATCH 'a' AND cost=distance AND ruleset=2;
} {a z z a y y a x x}

do_execsql_test 8.2.3 {
  SELECT cFrom, cTo, word 
    FROM x3_rules, x3 
    WHERE word MATCH 'a' AND cost=distance AND ruleset=2;
} {a z z a y y a x x}

do_execsql_test 8.2.4 {
  SELECT cFrom, cTo, word 
    FROM x3, x3_rules
    WHERE word MATCH 'a' AND cost=distance AND ruleset=2;
} {a z z a y y a x x}

do_execsql_test 8.2.5 {
  CREATE INDEX i1 ON x3_rules(cost);
  SELECT cFrom, cTo, word 
    FROM x3_rules, x3 
    WHERE word MATCH 'a' AND cost=distance AND ruleset=2;
} {a z z a y y a x x}

do_execsql_test 8.2.5 {
  SELECT word FROM x3_rules, x3 WHERE word MATCH x3_rules.cFrom AND ruleset=2;
} {a z y x a z y x a z y x}

do_execsql_test 8.2.6 {
  SELECT word FROM x3_rules, x3 
  WHERE word MATCH x3_rules.cFrom 
    AND ruleset=2 
    AND x3_rules.cost=8;
} {a z y x}

do_execsql_test 8.2.7 {
  CREATE TABLE t1(a, b);
  CREATE INDEX i2 ON t1(b);
  SELECT word, distance FROM x3, t1 
    WHERE x3.word MATCH t1.a AND ruleset=2 AND distance=t1.b;
} {}

do_execsql_test 8.2.8 {
  INSERT INTO x3_rules VALUES(1, 'a', 't',  5);
  INSERT INTO x3_rules VALUES(1, 'a', 'u',  4);
  INSERT INTO x3_rules VALUES(1, 'a', 'v',  3);
  DROP TABLE x3;
  CREATE VIRTUAL TABLE x3 USING fuzzer(x3_rules);
  SELECT * FROM x3_rules;
} {
  2 a x 10 
  2 a y 9 
  2 a z 8 
  1 a t 5 
  1 a u 4 
  1 a v 3
}

do_catchsql_test 8.2.9 {
  SELECT word FROM x3 WHERE ruleset=2 AND word MATCH 'a' AND WORD MATCH 'b';
} {1 {unable to use function MATCH in the requested context}}

do_execsql_test 8.2.10 {
  SELECT word FROM x3 WHERE ruleset=1 AND word MATCH 'a'
} {a v u t}

# The term "ruleset<=1" is not handled by the fuzzer module. Instead, it
# is handled by SQLite, which assumes that all rows have a NULL value in
# the ruleset column. Since NULL<=1 is never true, this query returns
# no rows.
do_execsql_test 8.2.11 {
  SELECT word FROM x3 WHERE ruleset<=1 AND word MATCH 'a'
} {}

do_execsql_test 8.2.12 {
  SELECT word FROM x3 WHERE ruleset=1 AND word MATCH 'a' ORDER BY distance ASC;
} {a v u t}

do_execsql_test 8.2.13 {
  SELECT word FROM x3 WHERE ruleset=1 AND word MATCH 'a' ORDER BY distance DESC;
} {t u v a}

do_execsql_test 8.2.13 {
  SELECT word FROM x3 WHERE ruleset=1 AND word MATCH 'a' ORDER BY word ASC;
} {a t u v}

do_execsql_test 8.2.14 {
  SELECT word FROM x3 WHERE ruleset=1 AND word MATCH 'a' ORDER BY word DESC;
} {v u t a}


finish_test

# 2012 February 21
#
# 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 TCL interface to the
# SQLite library. 
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !vtab { finish_test ; return }
set ::testprefix fuzzerfault

register_fuzzer_module db

do_test 1-pre1 {
  execsql {
    CREATE TABLE x1_rules(ruleset, cFrom, cTo, cost);
    INSERT INTO x1_rules VALUES(0, 'a', 'b', 1);
    INSERT INTO x1_rules VALUES(0, 'a', 'c', 2);
    INSERT INTO x1_rules VALUES(0, 'a', 'd', 3);
  }
  faultsim_save_and_close
} {}

do_faultsim_test 1 -faults oom-t* -prep {
  faultsim_restore_and_reopen
  register_fuzzer_module db
} -body {
  execsql { 
    CREATE VIRTUAL TABLE x1 USING fuzzer(x1_rules);
    SELECT word FROM x1 WHERE word MATCH 'xax';
  }
} -test {
  faultsim_test_result {0 {xax xbx xcx xdx}}               \
                       {1 {vtable constructor failed: x1}}
}



finish_test