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+# See the file LICENSE for redistribution information.
+#
+# Copyright (c) 1996-2002
+# Sleepycat Software. All rights reserved.
+#
+# $Id: test059.tcl,v 11.18 2002/06/11 15:10:16 sue 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
+}