SQLite

**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.314 2008/07/08 15:26:50 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>

/*

  if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
  value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
  if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;

  rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }

#endif /* SQLITE_OMIT_UTF16 */
  return TCL_OK;
}

#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file contains tests to verify that the limits defined in
# sqlite source file limits.h are enforced.
#
# $Id: sqllimits1.test,v 1.29 2008/07/08 15:26:50 drh Exp $

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

# Verify that the default per-connection limits are the same as
# the compile-time hard limits.
#

  set ::STMT [sqlite3_prepare db "SELECT ?" -1 TAIL]
  sqlite3_bind_zeroblob $::STMT 1 [expr {$SQLITE_LIMIT_LENGTH + 1}]
} {}
do_test sqllimits1-5.14.2 {
  sqlite3_step $::STMT 
} {SQLITE_ERROR}
do_test sqllimits1-5.14.3 {
  sqlite3_reset $::STMT 
} {SQLITE_TOOBIG}
do_test sqllimits1-5.14.4 {
  set np1 [expr {$SQLITE_LIMIT_LENGTH + 1}]
  set ::str1 [string repeat A $np1]
  catch {sqlite3_bind_text $::STMT 1 $::str1 -1} res
  set res
} {SQLITE_TOOBIG}
do_test sqllimits1-5.14.5 {
  catch {sqlite3_bind_text16 $::STMT 1 $::str1 -1} res
  set res
} {SQLITE_TOOBIG}
do_test sqllimits1-5.14.6 {
  catch {sqlite3_bind_text $::STMT 1 $::str1 $np1} res
  set res
} {SQLITE_TOOBIG}
do_test sqllimits1-5.14.7 {
  catch {sqlite3_bind_text16 $::STMT 1 $::str1 $np1} res
  set res
} {SQLITE_TOOBIG}
do_test sqllimits1-5.14.8 {
  set n [expr {$np1-1}]
  catch {sqlite3_bind_text $::STMT 1 $::str1 $n} res
  set res
} {}
do_test sqllimits1-5.14.9 {
  catch {sqlite3_bind_text16 $::STMT 1 $::str1 $n} res
  set res
} {}
sqlite3_finalize $::STMT 

do_test sqllimits1-5.15 {
  execsql {
    CREATE TABLE t4(x);
    INSERT INTO t4 VALUES(1);
    INSERT INTO t4 VALUES(2);
    INSERT INTO t4 SELECT 2+x FROM t4;

    set expr "SELECT 1"
    for {set i 0} {$i <= $max} {incr i} {
      set expr "SELECT ($expr)"
    }
    catchsql [subst { $expr }]
  } "1 {parser stack overflow}"
  
if 0 {  
  do_test sqllimits1-9.3 {
    execsql {
      PRAGMA max_page_count = 1000000;  -- 1 GB
      CREATE TABLE v0(a);
      INSERT INTO v0 VALUES(1);
    }
    db transaction {

  } {}
  
  do_test sqllimits1-9.4 {
    catchsql {
      SELECT a FROM v199
    }
  } "1 {Expression tree is too large (maximum depth $::SQLITE_MAX_EXPR_DEPTH)}"
}
}

#--------------------------------------------------------------------
# Test cases sqllimits1-10.* test that the SQLITE_MAX_VDBE_OP
# limit works as expected. The limit refers to the number of opcodes
# in a single VDBE program.
#