test023.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: test023.tcl,v 11.13 2000/08/25 14:21:55 sue Exp $
- #
- # Duplicate delete test.
- # Add a key with duplicates (first time on-page, second time off-page)
- # Number the dups.
- # Delete dups and make sure that CURRENT/NEXT/PREV work correctly.
- proc test023 { method args } {
- global alphabet
- global dupnum
- global dupstr
- global errorInfo
- source ./include.tcl
- set args [convert_args $method $args]
- set omethod [convert_method $method]
- puts "Test023: $method delete duplicates/check cursor operations"
- if { [is_record_based $method] == 1 ||
- [is_rbtree $method] == 1 } {
- puts "Test023: skipping for method $omethod"
- return
- }
- # 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/test023.db
- set env NULL
- } else {
- set testfile test023.db
- incr eindex
- set env [lindex $args $eindex]
- }
- set t1 $testdir/t1
- cleanup $testdir $env
- set db [eval {berkdb_open
- -create -truncate -mode 0644 -dup} $args {$omethod $testfile}]
- error_check_good dbopen [is_valid_db $db] TRUE
- set pflags ""
- set gflags ""
- set txn ""
- set dbc [eval {$db cursor} $txn]
- error_check_good db_cursor [is_substr $dbc $db] 1
- foreach i { onpage offpage } {
- if { $i == "onpage" } {
- set dupstr DUP
- } else {
- set dupstr [repeat $alphabet 50]
- }
- puts "tTest023.a: Insert key w/$i dups"
- set key "duplicate_val_test"
- for { set count 0 } { $count < 20 } { incr count } {
- set ret
- [eval {$db put} $txn $pflags {$key $count$dupstr}]
- error_check_good db_put $ret 0
- }
- # Now let's get all the items and make sure they look OK.
- puts "tTest023.b: Check initial duplicates"
- set dupnum 0
- dump_file $db $txn $t1 test023.check
- # Delete a couple of random items (FIRST, LAST one in middle)
- # Make sure that current returns an error and that NEXT and
- # PREV do the right things.
- set ret [$dbc get -set $key]
- error_check_bad dbc_get:SET [llength $ret] 0
- puts "tTest023.c: Delete first and try gets"
- # This should be the first duplicate
- error_check_good
- dbc_get:SET $ret [list [list duplicate_val_test 0$dupstr]]
- # Now delete it.
- set ret [$dbc del]
- error_check_good dbc_del:FIRST $ret 0
- # Now current should fail
- set ret [$dbc get -current]
- error_check_good dbc_get:CURRENT $ret [list [list [] []]]
- # Now Prev should fail
- set ret [$dbc get -prev]
- error_check_good dbc_get:prev0 [llength $ret] 0
- # Now 10 nexts should work to get us in the middle
- for { set j 1 } { $j <= 10 } { incr j } {
- set ret [$dbc get -next]
- error_check_good
- dbc_get:next [llength [lindex $ret 0]] 2
- error_check_good
- dbc_get:next [lindex [lindex $ret 0] 1] $j$dupstr
- }
- puts "tTest023.d: Delete middle and try gets"
- # Now do the delete on the current key.
- set ret [$dbc del]
- error_check_good dbc_del:10 $ret 0
- # Now current should fail
- set ret [$dbc get -current]
- error_check_good
- dbc_get:deleted $ret [list [list [] []]]
- # Prev and Next should work
- set ret [$dbc get -next]
- error_check_good dbc_get:next [llength [lindex $ret 0]] 2
- error_check_good
- dbc_get:next [lindex [lindex $ret 0] 1] 11$dupstr
- set ret [$dbc get -prev]
- error_check_good dbc_get:next [llength [lindex $ret 0]] 2
- error_check_good
- dbc_get:next [lindex [lindex $ret 0] 1] 9$dupstr
- # Now go to the last one
- for { set j 11 } { $j <= 19 } { incr j } {
- set ret [$dbc get -next]
- error_check_good
- dbc_get:next [llength [lindex $ret 0]] 2
- error_check_good
- dbc_get:next [lindex [lindex $ret 0] 1] $j$dupstr
- }
- puts "tTest023.e: Delete last and try gets"
- # Now do the delete on the current key.
- set ret [$dbc del]
- error_check_good dbc_del:LAST $ret 0
- # Now current should fail
- set ret [$dbc get -current]
- error_check_good
- dbc_get:deleted $ret [list [list [] []]]
- # Next should fail
- set ret [$dbc get -next]
- error_check_good dbc_get:next19 [llength $ret] 0
- # Prev should work
- set ret [$dbc get -prev]
- error_check_good dbc_get:next [llength [lindex $ret 0]] 2
- error_check_good
- dbc_get:next [lindex [lindex $ret 0] 1] 18$dupstr
- # Now overwrite the current one, then count the number
- # of data items to make sure that we have the right number.
- puts "tTest023.f: Count keys, overwrite current, count again"
- # At this point we should have 17 keys the (initial 20 minus
- # 3 deletes)
- set dbc2 [$db cursor]
- error_check_good db_cursor:2 [is_substr $dbc2 $db] 1
- set count_check 0
- for { set rec [$dbc2 get -first] } {
- [llength $rec] != 0 } { set rec [$dbc2 get -next] } {
- incr count_check
- }
- error_check_good numdups $count_check 17
- set ret [$dbc put -current OVERWRITE]
- error_check_good dbc_put:current $ret 0
- set count_check 0
- for { set rec [$dbc2 get -first] } {
- [llength $rec] != 0 } { set rec [$dbc2 get -next] } {
- incr count_check
- }
- error_check_good numdups $count_check 17
- # Done, delete all the keys for next iteration
- set ret [eval {$db del} $txn {$key}]
- error_check_good db_delete $ret 0
- # database should be empty
- set ret [$dbc get -first]
- error_check_good first_after_empty [llength $ret] 0
- }
- error_check_good dbc_close [$dbc close] 0
- error_check_good db_close [$db close] 0
- }
- # Check function for test023; keys and data are identical
- proc test023.check { key data } {
- global dupnum
- global dupstr
- error_check_good "bad key" $key duplicate_val_test
- error_check_good "data mismatch for $key" $data $dupnum$dupstr
- incr dupnum
- }