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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996,2007 Oracle. All rights reserved.
#
# $Id: rsrc003.tcl,v 12.6 2007/05/17 15:15:55 bostic Exp $
#
# TEST rsrc003
# TEST Recno backing file test. Try different patterns of adding
# TEST records and making sure that the corresponding file matches.
proc rsrc003 { } {
source ./include.tcl
global fixed_len
puts "Rsrc003: Basic recno backing file writeback tests fixed length"
# We run this test essentially twice, once with a db file
# and once without (an in-memory database).
#
# Then run with big fixed-length records
set rec1 "This is record 1"
set rec2 "This is record 2"
set rec3 "This is record 3"
set bigrec1 [replicate "This is record 1 " 512]
set bigrec2 [replicate "This is record 2 " 512]
set bigrec3 [replicate "This is record 3 " 512]
set orig_fixed_len $fixed_len
set rlist {
{{$rec1 $rec2 $rec3} "small records" }
{{$bigrec1 $bigrec2 $bigrec3} "large records" }}
foreach testfile { "$testdir/rsrc003.db" "" } {
foreach rec $rlist {
cleanup $testdir NULL
set recs [lindex $rec 0]
set msg [lindex $rec 1]
# Create the starting files
# Note that for the rest of the test, we are going
# to append a LF when we 'put' via DB to maintain
# file structure and allow us to use 'gets'.
set oid1 [open $testdir/rsrc.txt w]
set oid2 [open $testdir/check.txt w]
fconfigure $oid1 -translation binary
fconfigure $oid2 -translation binary
foreach record $recs {
set r [subst $record]
set fixed_len [string length $r]
puts $oid1 $r
puts $oid2 $r
}
close $oid1
close $oid2
set reclen [expr $fixed_len + 1]
if { $reclen > [string length $rec1] } {
set repl 512
} else {
set repl 2
}
if { $testfile == "" } {
puts \
"Rsrc003: Testing with in-memory database with $msg."
} else {
puts \
"Rsrc003: Testing with disk-backed database with $msg."
}
puts -nonewline \
"\tRsrc003.a: Read file, rewrite last record;"
puts " write it out and diff"
set db [eval {berkdb_open -create -mode 0644 -recno \
-len $reclen -source $testdir/rsrc.txt} $testfile]
error_check_good dbopen [is_valid_db $db] TRUE
# Read the last record; replace it (don't change it).
# Then close the file and diff the two files.
set txn ""
set dbc [eval {$db cursor} $txn]
error_check_good db_cursor \
[is_valid_cursor $dbc $db] TRUE
set rec [$dbc get -last]
error_check_good get_last [llength [lindex $rec 0]] 2
set key [lindex [lindex $rec 0] 0]
set data [lindex [lindex $rec 0] 1]
# Get the last record from the text file
set oid [open $testdir/rsrc.txt]
set laststr ""
while { [gets $oid str] != -1 } {
append str \12
set laststr $str
}
close $oid
set data [sanitize_record $data]
error_check_good getlast $data $laststr
set ret [eval {$db put} $txn {$key $data}]
error_check_good replace_last $ret 0
error_check_good curs_close [$dbc close] 0
error_check_good db_sync [$db sync] 0
error_check_good db_sync [$db sync] 0
error_check_good \
diff1($testdir/rsrc.txt,$testdir/check.txt) \
[filecmp $testdir/rsrc.txt $testdir/check.txt] 0
puts -nonewline "\tRsrc003.b: "
puts "Append some records in tree and verify in file."
set oid [open $testdir/check.txt a]
for {set i 1} {$i < 10} {incr i} {
set rec [chop_data -frecno [replicate \
"This is New Record $i" $repl]]
puts $oid $rec
append rec \12
incr key
set ret [eval {$db put} $txn {-append $rec}]
error_check_good put_append $ret $key
}
error_check_good db_sync [$db sync] 0
error_check_good db_sync [$db sync] 0
close $oid
set ret [filecmp $testdir/rsrc.txt $testdir/check.txt]
error_check_good \
diff2($testdir/{rsrc.txt,check.txt}) $ret 0
puts "\tRsrc003.c: Append by record number"
set oid [open $testdir/check.txt a]
for {set i 1} {$i < 10} {incr i} {
set rec [chop_data -frecno [replicate \
"New Record (set 2) $i" $repl]]
puts $oid $rec
append rec \12
incr key
set ret [eval {$db put} $txn {$key $rec}]
error_check_good put_byno $ret 0
}
error_check_good db_sync [$db sync] 0
error_check_good db_sync [$db sync] 0
close $oid
set ret [filecmp $testdir/rsrc.txt $testdir/check.txt]
error_check_good \
diff3($testdir/{rsrc.txt,check.txt}) $ret 0
puts \
"\tRsrc003.d: Verify proper syncing of changes on close."
error_check_good Rsrc003:db_close [$db close] 0
set db [eval {berkdb_open -create -mode 0644 -recno \
-len $reclen -source $testdir/rsrc.txt} $testfile]
set oid [open $testdir/check.txt a]
for {set i 1} {$i < 10} {incr i} {
set rec [chop_data -frecno [replicate \
"New Record (set 3) $i" $repl]]
puts $oid $rec
append rec \12
set ret [eval {$db put} $txn {-append $rec}]
# Don't bother checking return;
# we don't know what
# the key number is, and we'll pick up a failure
# when we compare.
}
error_check_good Rsrc003:db_close [$db close] 0
close $oid
set ret [filecmp $testdir/rsrc.txt $testdir/check.txt]
error_check_good \
diff5($testdir/{rsrc,check}.txt) $ret 0
}
}
set fixed_len $orig_fixed_len
return
}
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