# See the file LICENSE for redistribution information.
#
# Copyright (c) 2000-2009 Oracle.  All rights reserved.
#
# $Id$
#
# TEST	recd018
# TEST	Test recover of closely interspersed checkpoints and commits.
#
# This test is from the error case from #4230.
#
proc recd018 { method {ndbs 10} args } {
	source ./include.tcl

	set args [convert_args $method $args]
	set omethod [convert_method $method]
	set tnum "018"

	puts "Recd$tnum ($args): $method recovery of checkpoints and commits."

	set tname recd$tnum.db
	env_cleanup $testdir

	set i 0
	if { [is_record_based $method] == 1 } {
		set key 1
		set key2 2
	} else {
		set key KEY
		set key2 KEY2
	}

	puts "\tRecd$tnum.a: Create environment and database."
	set flags "-create -txn -home $testdir"

	set env_cmd "berkdb_env $flags"
	set dbenv [eval $env_cmd]
	error_check_good dbenv [is_valid_env $dbenv] TRUE

	set oflags "-auto_commit -env $dbenv -create -mode 0644 $args $omethod"
	for { set i 0 } { $i < $ndbs } { incr i } {
		set testfile $tname.$i
		set db($i) [eval {berkdb_open} $oflags $testfile]
		error_check_good dbopen [is_valid_db $db($i)] TRUE
		set file $testdir/$testfile.init
		catch { file copy -force $testdir/$testfile $file} res
		copy_extent_file $testdir $testfile init
	}

	# Main loop:  Write a record or two to each database.
	# Do a commit immediately followed by a checkpoint after each one.
	error_check_good "Initial Checkpoint" [$dbenv txn_checkpoint] 0

	puts "\tRecd$tnum.b Put/Commit/Checkpoint to $ndbs databases"
	for { set i 0 } { $i < $ndbs } { incr i } {
		set testfile $tname.$i
		set data $i

		# Put, in a txn.
		set txn [$dbenv txn]
		error_check_good txn_begin [is_valid_txn $txn $dbenv] TRUE
		error_check_good db_put \
		    [$db($i) put -txn $txn $key [chop_data $method $data]] 0
		error_check_good txn_commit [$txn commit] 0
		error_check_good txn_checkpt [$dbenv txn_checkpoint] 0
		if { [expr $i % 2] == 0 } {
			set txn [$dbenv txn]
			error_check_good txn2 [is_valid_txn $txn $dbenv] TRUE
			error_check_good db_put [$db($i) put \
			    -txn $txn $key2 [chop_data $method $data]] 0
			error_check_good txn_commit [$txn commit] 0
			error_check_good txn_checkpt [$dbenv txn_checkpoint] 0
		}
		error_check_good db_close [$db($i) close] 0
		set file $testdir/$testfile.afterop
		catch { file copy -force $testdir/$testfile $file} res
		copy_extent_file $testdir $testfile afterop
	}
	error_check_good env_close [$dbenv close] 0

	# Now, loop through and recover to each timestamp, verifying the
	# expected increment.
	puts "\tRecd$tnum.c: Run recovery (no-op)"
	set ret [catch {exec $util_path/db_recover -h $testdir} r]
	error_check_good db_recover $ret 0

	puts "\tRecd$tnum.d: Run recovery (initial file)"
	for { set i 0 } {$i < $ndbs } { incr i } {
		set testfile $tname.$i
		set file $testdir/$testfile.init
		catch { file copy -force $file $testdir/$testfile } res
		move_file_extent $testdir $testfile init copy
	}

	set ret [catch {exec $util_path/db_recover -h $testdir} r]
	error_check_good db_recover $ret 0

	puts "\tRecd$tnum.e: Run recovery (after file)"
	for { set i 0 } {$i < $ndbs } { incr i } {
		set testfile $tname.$i
		set file $testdir/$testfile.afterop
		catch { file copy -force $file $testdir/$testfile } res
		move_file_extent $testdir $testfile afterop copy
	}

	set ret [catch {exec $util_path/db_recover -h $testdir} r]
	error_check_good db_recover $ret 0

}