test/async.test

#
#    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 runs all tests.
#
# $Id: async.test,v 1.21 2009/06/05 17:09:12 drh Exp $

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

if {[info commands sqlite3async_initialize] eq ""} {
  # The async logic is not built into this system
  finish_test
  return
}

rename finish_test async_really_finish_test
proc finish_test {} {
  catch {db close}
  catch {db2 close}
  catch {db3 close}
}
if {[info exists G(isquick)]} { set ASYNC_SAVE_ISQUICK $G(isquick) }
set G(isquick) 1

set ASYNC_INCLUDE {
  insert.test
  insert2.test
  insert3.test
  lock.test
  lock2.test
  lock3.test
  select1.test
  select2.test
  select3.test
  select4.test
  trans.test
}

# Enable asynchronous IO.
sqlite3async_initialize "" 1

# This proc flushes the contents of the async-IO queue through to the 
# underlying VFS. A couple of the test scripts identified in $ASYNC_INCLUDE
# above contain lines like "catch flush_async_queue" in places where 
# this is required for the tests to work in async mode.
#
proc flush_async_queue {} {
  sqlite3async_control halt idle
  sqlite3async_start
  sqlite3async_wait
  sqlite3async_control halt never
}

rename do_test async_really_do_test
proc do_test {name args} {
  uplevel async_really_do_test async_io-$name $args
  flush_async_queue
}

foreach testfile [lsort -dictionary [glob $testdir/*.test]] {
  set tail [file tail $testfile]
  if {[lsearch -exact $ASYNC_INCLUDE $tail]<0} continue
  source $testfile

  # Make sure everything is flushed through. This is because [source]ing 
  # the next test file will delete the database file on disk (using
  # [delete_file]). If the asynchronous backend still has the file
  # open, it will become confused.
  #
  flush_async_queue
}

# Flush the write-queue and disable asynchronous IO. This should ensure
# all allocated memory is cleaned up.
set sqlite3async_trace 1
flush_async_queue
sqlite3async_shutdown
set sqlite3async_trace 0

rename do_test {}
rename async_really_do_test do_test
rename finish_test {}
rename async_really_finish_test finish_test

if {[info exists ASYNC_SAVE_ISQUICK]} { set G(isquick) $ASYNC_SAVE_ISQUICK }
finish_test