test059.tcl
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上传日期:2007-04-14
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- # See the file LICENSE for redistribution information.
- #
- # Copyright (c) 1996, 1997, 1998, 1999, 2000
- # Sleepycat Software. All rights reserved.
- #
- # $Id: test059.tcl,v 11.12 2000/08/25 14:21:57 sue Exp $
- #
- # Test059:
- # Make sure that we handle retrieves of zero-length data items correctly.
- # The following ops, should allow a partial data retrieve of 0-length.
- # db_get
- # 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 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]
- }
- 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 -truncate -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 } { $key <= 10 } {incr key} {
- set r [eval {$db put} $txn $pflags {$key datum$key}]
- error_check_good put $r 0
- }
- # Retrieve keys sequentially so we can figure out their order
- set i 1
- set curs [$db cursor]
- error_check_good db_curs [is_substr $curs $db] 1
- for {set d [$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}} $gflags {$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
- error_check_good db_close [$db close] 0
- }