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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996-2002
# Sleepycat Software. All rights reserved.
#
# $Id: txn004.tcl,v 11.39 2002/05/15 17:14:06 sandstro Exp $
#
# TEST txn004
# TEST Test of wraparound txnids (txn001)
proc txn004 { } {
source ./include.tcl
global txn_curid
global txn_maxid
set orig_curid $txn_curid
set orig_maxid $txn_maxid
puts "\tTxn004.1: wraparound txnids"
set txn_curid [expr $txn_maxid - 2]
txn001 "04.1"
puts "\tTxn004.2: closer wraparound txnids"
set txn_curid [expr $txn_maxid - 3]
set txn_maxid [expr $txn_maxid - 2]
txn001 "04.2"
puts "\tTxn004.3: test wraparound txnids"
txn_idwrap_check $testdir
set txn_curid $orig_curid
set txn_maxid $orig_maxid
return
}
proc txn_idwrap_check { testdir } {
global txn_curid
global txn_maxid
env_cleanup $testdir
# Open/create the txn region
set e [berkdb_env -create -txn -home $testdir]
error_check_good env_open [is_substr $e env] 1
set txn1 [$e txn]
error_check_good txn1 [is_valid_txn $txn1 $e] TRUE
error_check_good txn_id_set \
[$e txn_id_set [expr $txn_maxid - 1] $txn_maxid] 0
set txn2 [$e txn]
error_check_good txn2 [is_valid_txn $txn2 $e] TRUE
# txn3 will require a wraparound txnid
# XXX How can we test it has a wrapped id?
set txn3 [$e txn]
error_check_good wrap_txn3 [is_valid_txn $txn3 $e] TRUE
error_check_good free_txn1 [$txn1 commit] 0
error_check_good free_txn2 [$txn2 commit] 0
error_check_good free_txn3 [$txn3 commit] 0
error_check_good close [$e close] 0
}
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