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# See the file LICENSE for redistribution information.
#
# Copyright (c) 1996-2002
# Sleepycat Software. All rights reserved.
#
# $Id: test059.tcl,v 1.1.1.1 2003/11/20 22:14:01 toshok Exp $
#
# TEST test059
# TEST Cursor ops work with a partial length of 0.
# TEST Make sure that we handle retrieves of zero-length data items correctly.
# TEST The following ops, should allow a partial data retrieve of 0-length.
# TEST db_get
# TEST db_cget FIRST, NEXT, LAST, PREV, CURRENT, SET, SET_RANGE
proc test059 { method args } {
source ./include.tcl
set args [convert_args $method $args]
set omethod [convert_method $method]
puts "Test059: $method 0-length partial data retrieval"
# Create the database and open the dictionary
set txnenv 0
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/test059.db
set env NULL
} else {
set testfile test059.db
incr eindex
set env [lindex $args $eindex]
set txnenv [is_txnenv $env]
if { $txnenv == 1 } {
append args " -auto_commit "
}
set testdir [get_home $env]
}
cleanup $testdir $env
set pflags ""
set gflags ""
set txn ""
set count 0
if { [is_record_based $method] == 1 } {
append gflags " -recno"
}
puts "\tTest059.a: Populate a database"
set oflags "-create -mode 0644 $omethod $args $testfile"
set db [eval {berkdb_open} $oflags]
error_check_good db_create [is_substr $db db] 1
# Put ten keys in the database
for { set key 1 } { $key <= 10 } {incr key} {
if { $txnenv == 1 } {
set t [$env txn]
error_check_good txn [is_valid_txn $t $env] TRUE
set txn "-txn $t"
}
set r [eval {$db put} $txn $pflags {$key datum$key}]
error_check_good put $r 0
if { $txnenv == 1 } {
error_check_good txn [$t commit] 0
}
}
# Retrieve keys sequentially so we can figure out their order
set i 1
if { $txnenv == 1 } {
set t [$env txn]
error_check_good txn [is_valid_txn $t $env] TRUE
set txn "-txn $t"
}
set curs [eval {$db cursor} $txn]
error_check_good db_curs [is_valid_cursor $curs $db] TRUE
for {set d [$curs get -first] } { [llength $d] != 0 } {
set d [$curs get -next] } {
set key_set($i) [lindex [lindex $d 0] 0]
incr i
}
puts "\tTest059.a: db get with 0 partial length retrieve"
# Now set the cursor on the middle one.
set ret [eval {$db get -partial {0 0}} $txn $gflags {$key_set(5)}]
error_check_bad db_get_0 [llength $ret] 0
puts "\tTest059.a: db cget FIRST with 0 partial length retrieve"
set ret [$curs get -first -partial {0 0}]
set data [lindex [lindex $ret 0] 1]
set key [lindex [lindex $ret 0] 0]
error_check_good key_check_first $key $key_set(1)
error_check_good db_cget_first [string length $data] 0
puts "\tTest059.b: db cget NEXT with 0 partial length retrieve"
set ret [$curs get -next -partial {0 0}]
set data [lindex [lindex $ret 0] 1]
set key [lindex [lindex $ret 0] 0]
error_check_good key_check_next $key $key_set(2)
error_check_good db_cget_next [string length $data] 0
puts "\tTest059.c: db cget LAST with 0 partial length retrieve"
set ret [$curs get -last -partial {0 0}]
set data [lindex [lindex $ret 0] 1]
set key [lindex [lindex $ret 0] 0]
error_check_good key_check_last $key $key_set(10)
error_check_good db_cget_last [string length $data] 0
puts "\tTest059.d: db cget PREV with 0 partial length retrieve"
set ret [$curs get -prev -partial {0 0}]
set data [lindex [lindex $ret 0] 1]
set key [lindex [lindex $ret 0] 0]
error_check_good key_check_prev $key $key_set(9)
error_check_good db_cget_prev [string length $data] 0
puts "\tTest059.e: db cget CURRENT with 0 partial length retrieve"
set ret [$curs get -current -partial {0 0}]
set data [lindex [lindex $ret 0] 1]
set key [lindex [lindex $ret 0] 0]
error_check_good key_check_current $key $key_set(9)
error_check_good db_cget_current [string length $data] 0
puts "\tTest059.f: db cget SET with 0 partial length retrieve"
set ret [$curs get -set -partial {0 0} $key_set(7)]
set data [lindex [lindex $ret 0] 1]
set key [lindex [lindex $ret 0] 0]
error_check_good key_check_set $key $key_set(7)
error_check_good db_cget_set [string length $data] 0
if {[is_btree $method] == 1} {
puts "\tTest059.g:\
db cget SET_RANGE with 0 partial length retrieve"
set ret [$curs get -set_range -partial {0 0} $key_set(5)]
set data [lindex [lindex $ret 0] 1]
set key [lindex [lindex $ret 0] 0]
error_check_good key_check_set $key $key_set(5)
error_check_good db_cget_set [string length $data] 0
}
error_check_good curs_close [$curs close] 0
if { $txnenv == 1 } {
error_check_good txn [$t commit] 0
}
error_check_good db_close [$db close] 0
}
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