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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996, 1997, 1998, 1999, 2000
# Sleepycat Software. All rights reserved.
#
# $Id: test019.tcl,v 11.14 2000/08/25 14:21:54 sue Exp $
#
# Test019 { access_method nentries }
# Test the partial get functionality.
proc test019 { method {nentries 10000} args } {
global fixed_len
global rand_init
source ./include.tcl
set args [convert_args $method $args]
set omethod [convert_method $method]
puts "Test019: $method ($args) $nentries partial get test"
# Create the database and open the dictionary
set eindex [lsearch -exact $args "-env"]
#
# If we are using an env, then testfile should just be the db name.
# Otherwise it is the test directory and the name.
if { $eindex == -1 } {
set testfile $testdir/test019.db
set env NULL
} else {
set testfile test019.db
incr eindex
set env [lindex $args $eindex]
}
cleanup $testdir $env
set db [eval {berkdb_open \
-create -truncate -mode 0644} $args {$omethod $testfile}]
error_check_good dbopen [is_valid_db $db] TRUE
set did [open $dict]
berkdb srand $rand_init
set pflags ""
set gflags ""
set txn ""
set count 0
if { [is_record_based $method] == 1 } {
append gflags " -recno"
}
puts "\tTest019.a: put/get loop"
for { set i 0 } { [gets $did str] != -1 && $i < $nentries } \
{ incr i } {
if { [is_record_based $method] == 1 } {
set key [expr $i + 1]
} else {
set key $str
}
set repl [berkdb random_int $fixed_len 100]
set data [chop_data $method [replicate $str $repl]]
set ret [eval {$db put} $txn {-nooverwrite $key $data}]
error_check_good dbput:$key $ret 0
set ret [eval {$db get} $txn $gflags {$key}]
error_check_good \
dbget:$key $ret [list [list $key [pad_data $method $data]]]
set kvals($key) $repl
}
close $did
puts "\tTest019.b: partial get loop"
set did [open $dict]
for { set i 0 } { [gets $did str] != -1 && $i < $nentries } \
{ incr i } {
if { [is_record_based $method] == 1 } {
set key [expr $i + 1]
} else {
set key $str
}
set data [replicate $str $kvals($key)]
if { [is_fixed_length $method] == 1 } {
set maxndx $fixed_len
} else {
set maxndx [expr [string length $data] - 1]
}
set beg [berkdb random_int 0 [expr $maxndx - 1]]
set len [berkdb random_int 1 [expr $maxndx - $beg]]
set ret [eval {$db get} \
$txn {-partial [list $beg $len]} $gflags {$key}]
# In order for tcl to handle this, we have to overwrite the
# last character with a NULL. That makes the length one less
# than we expect.
set k [lindex [lindex $ret 0] 0]
set d [lindex [lindex $ret 0] 1]
error_check_good dbget_key $k $key
# If $d contains some of the padding, we want to get rid of it.
set firstnull [string first "\0" $d]
if { $firstnull == -1 } { set firstnull [string length $d] }
error_check_good dbget_data \
[string range $d 0 [expr $firstnull - 1]] \
[string range $data $beg [expr $beg + $len - 1]]
}
error_check_good db_close [$db close] 0
close $did
}
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