test/manydb.test

# 2005 October 3
#
# 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.
#
# This file implements tests the ability of the library to open
# many different databases at the same time without leaking memory.
#
# $Id: manydb.test,v 1.1 2005/10/03 15:11:09 drh Exp $

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

set N 300

# Create a bunch of random database names
#
unset -nocomplain dbname
unset -nocomplain used
for {set i 0} {$i<$N} {incr i} {
  while 1 {
    set name test-[format %08x [expr {int(rand()*0x7fffffff)}]].db
    if {[info exists used($name)]} continue
    set dbname($i) $name
    set used($name) $i
    break
  }
}

# Create a bunch of databases
#
for {set i 0} {$i<$N} {incr i} {
  do_test manydb-1.$i {
    sqlite3 db$i $dbname($i)
    execsql {
       CREATE TABLE t1(a,b);
       BEGIN;
       INSERT INTO t1 VALUES(1,2);
    } db$i
  } {}
}

# Finish the transactions
#
for {set i 0} {$i<$N} {incr i} {
  do_test manydb-2.$i {
    execsql {
       COMMIT;
       SELECT * FROM t1;
    } db$i
  } {1 2}
}


# Close the databases and erase the files.
#
for {set i 0} {$i<$N} {incr i} {
  do_test manydb-3.$i {
    db$i close
    file delete -force $dbname($i)
  } {}
}




finish_test