refactor list tests to test both encodings; implemented assert functions

This commit is contained in:
Pieter Noordhuis 2010-06-04 16:30:54 +02:00
parent d1578a33ee
commit d4507ec615
3 changed files with 423 additions and 255 deletions

View File

@ -2,7 +2,38 @@ set ::passed 0
set ::failed 0
set ::testnum 0
proc test {name code okpattern} {
proc assert_match {pattern value} {
if {![string match $pattern $value]} {
puts "!! ERROR\nExpected '$value' to match '$pattern'"
error "assertion"
}
}
proc assert_equal {expected value} {
if {$expected ne $value} {
puts "!! ERROR\nExpected '$value' to be equal to '$expected'"
error "assertion"
}
}
proc assert_error {pattern code} {
if {[catch $code error]} {
assert_match $pattern $error
} else {
puts "!! ERROR\nExpected an error but nothing was catched"
error "assertion"
}
}
proc assert_encoding {enc key} {
assert_match "* encoding:$enc *" [r debug object $key]
}
proc assert_type {type key} {
assert_equal $type [r type $key]
}
proc test {name code {okpattern notspecified}} {
# abort if tagged with a tag to deny
foreach tag $::denytags {
if {[lsearch $::tags $tag] >= 0} {
@ -28,16 +59,21 @@ proc test {name code okpattern} {
puts -nonewline [format "#%03d %-68s " $::testnum $name]
flush stdout
if {[catch {set retval [uplevel 1 $code]} error]} {
puts "EXCEPTION"
puts "\nCaught error: $error"
error "exception"
}
if {$okpattern eq $retval || [string match $okpattern $retval]} {
puts "PASSED"
incr ::passed
if {$error eq "assertion"} {
incr ::failed
} else {
puts "EXCEPTION"
puts "\nCaught error: $error"
error "exception"
}
} else {
puts "!! ERROR expected\n'$okpattern'\nbut got\n'$retval'"
incr ::failed
if {$okpattern eq "notspecified" || $okpattern eq $retval || [string match $okpattern $retval]} {
puts "PASSED"
incr ::passed
} else {
puts "!! ERROR expected\n'$okpattern'\nbut got\n'$retval'"
incr ::failed
}
}
if {$::traceleaks} {
if {![string match {*0 leaks*} [exec leaks redis-server]]} {

View File

@ -73,7 +73,7 @@ proc main {} {
execute_tests "integration/aof"
# run tests with VM enabled
set ::global_overrides [list [list vm-enabled yes]]
set ::global_overrides {vm-enabled yes}
execute_tests "unit/protocol"
execute_tests "unit/basic"
execute_tests "unit/type/list"

View File

@ -1,221 +1,345 @@
start_server {tags {"list"}} {
test {Basic LPUSH, RPUSH, LLENGTH, LINDEX} {
set res [r lpush mylist a]
append res [r lpush mylist b]
append res [r rpush mylist c]
append res [r llen mylist]
append res [r rpush anotherlist d]
append res [r lpush anotherlist e]
append res [r llen anotherlist]
append res [r lindex mylist 0]
append res [r lindex mylist 1]
append res [r lindex mylist 2]
append res [r lindex anotherlist 0]
append res [r lindex anotherlist 1]
list $res [r lindex mylist 100]
} {1233122baced {}}
start_server {
tags {"list"}
overrides {
"list-max-ziplist-value" 16
"list-max-ziplist-entries" 256
}
} {
test {LPUSH, RPUSH, LLENGTH, LINDEX - ziplist} {
# first lpush then rpush
assert_equal 1 [r lpush myziplist1 a]
assert_equal 2 [r rpush myziplist1 b]
assert_equal 3 [r rpush myziplist1 c]
assert_equal 3 [r llen myziplist1]
assert_equal a [r lindex myziplist1 0]
assert_equal b [r lindex myziplist1 1]
assert_equal c [r lindex myziplist1 2]
assert_encoding ziplist myziplist1
test {DEL a list} {
r del mylist
r exists mylist
} {0}
# first rpush then lpush
assert_equal 1 [r rpush myziplist2 a]
assert_equal 2 [r lpush myziplist2 b]
assert_equal 3 [r lpush myziplist2 c]
assert_equal 3 [r llen myziplist2]
assert_equal c [r lindex myziplist2 0]
assert_equal b [r lindex myziplist2 1]
assert_equal a [r lindex myziplist2 2]
assert_encoding ziplist myziplist2
}
test {Create a long list and check every single element with LINDEX} {
set ok 0
for {set i 0} {$i < 1000} {incr i} {
r rpush mylist $i
test {LPUSH, RPUSH, LLENGTH, LINDEX - regular list} {
# use a string of length 17 to ensure a regular list is used
set large_value "aaaaaaaaaaaaaaaaa"
# first lpush then rpush
assert_equal 1 [r lpush mylist1 $large_value]
assert_encoding list mylist1
assert_equal 2 [r rpush mylist1 b]
assert_equal 3 [r rpush mylist1 c]
assert_equal 3 [r llen mylist1]
assert_equal $large_value [r lindex mylist1 0]
assert_equal b [r lindex mylist1 1]
assert_equal c [r lindex mylist1 2]
# first rpush then lpush
assert_equal 1 [r rpush mylist2 $large_value]
assert_encoding list mylist2
assert_equal 2 [r lpush mylist2 b]
assert_equal 3 [r lpush mylist2 c]
assert_equal 3 [r llen mylist2]
assert_equal c [r lindex mylist2 0]
assert_equal b [r lindex mylist2 1]
assert_equal $large_value [r lindex mylist2 2]
}
test {DEL a list - ziplist} {
assert_equal 1 [r del myziplist2]
assert_equal 0 [r exists myziplist2]
assert_equal 0 [r llen myziplist2]
}
test {DEL a list - regular list} {
assert_equal 1 [r del mylist2]
assert_equal 0 [r exists mylist2]
assert_equal 0 [r llen mylist2]
}
proc populate_with_numbers {key num} {
for {set i 0} {$i < $num} {incr i} {
r rpush $key $i
}
for {set i 0} {$i < 1000} {incr i} {
if {[r lindex mylist $i] eq $i} {incr ok}
if {[r lindex mylist [expr (-$i)-1]] eq [expr 999-$i]} {
incr ok
}
}
format $ok
} {2000}
}
test {Test elements with LINDEX in random access} {
set ok 0
for {set i 0} {$i < 1000} {incr i} {
set rint [expr int(rand()*1000)]
if {[r lindex mylist $rint] eq $rint} {incr ok}
if {[r lindex mylist [expr (-$rint)-1]] eq [expr 999-$rint]} {
incr ok
}
proc check_numbered_list_consistency {key} {
set len [r llen $key]
for {set i 0} {$i < $len} {incr i} {
assert_equal $i [r lindex $key $i]
assert_equal [expr $len-1-$i] [r lindex $key [expr (-$i)-1]]
}
format $ok
} {2000}
}
test {Check if the list is still ok after a DEBUG RELOAD} {
proc check_random_access_consistency {key} {
set len [r llen $key]
for {set i 0} {$i < $len} {incr i} {
set rint [expr int(rand()*$len)]
assert_equal $rint [r lindex $key $rint]
assert_equal [expr $len-1-$rint] [r lindex $key [expr (-$rint)-1]]
}
}
test {LINDEX consistency test - ziplist} {
populate_with_numbers myziplist 250
assert_encoding ziplist myziplist
}
test {LINDEX consistency test - regular list} {
populate_with_numbers mylist 500
assert_encoding list mylist
check_numbered_list_consistency mylist
}
test {LINDEX random access - ziplist} {
assert_encoding ziplist myziplist
check_random_access_consistency myziplist
}
test {LINDEX random access - regular list} {
assert_encoding list mylist
check_random_access_consistency mylist
}
test {Check if both list encodings are still ok after a DEBUG RELOAD} {
r debug reload
set ok 0
for {set i 0} {$i < 1000} {incr i} {
set rint [expr int(rand()*1000)]
if {[r lindex mylist $rint] eq $rint} {incr ok}
if {[r lindex mylist [expr (-$rint)-1]] eq [expr 999-$rint]} {
incr ok
}
}
format $ok
} {2000}
assert_encoding ziplist myziplist
check_numbered_list_consistency myziplist
assert_encoding list mylist
check_numbered_list_consistency mylist
}
test {LLEN against non-list value error} {
r del mylist
r set mylist foobar
catch {r llen mylist} err
format $err
} {ERR*}
assert_error ERR* {r llen mylist}
}
test {LLEN against non existing key} {
r llen not-a-key
} {0}
assert_equal 0 [r llen not-a-key]
}
test {LINDEX against non-list value error} {
catch {r lindex mylist 0} err
format $err
} {ERR*}
assert_error ERR* {r lindex mylist 0}
}
test {LINDEX against non existing key} {
r lindex not-a-key 10
} {}
assert_equal "" [r lindex not-a-key 10]
}
test {LPUSH against non-list value error} {
catch {r lpush mylist 0} err
format $err
} {ERR*}
assert_error ERR* {r lpush mylist 0}
}
test {RPUSH against non-list value error} {
catch {r rpush mylist 0} err
format $err
} {ERR*}
assert_error ERR* {r rpush mylist 0}
}
test {RPOPLPUSH base case} {
r del mylist
r rpush mylist a
r rpush mylist b
r rpush mylist c
r rpush mylist d
set v1 [r rpoplpush mylist newlist]
set v2 [r rpoplpush mylist newlist]
set l1 [r lrange mylist 0 -1]
set l2 [r lrange newlist 0 -1]
list $v1 $v2 $l1 $l2
} {d c {a b} {c d}}
proc create_ziplist {key entries} {
r del $key
foreach entry $entries { r rpush $key $entry }
assert_match *encoding:ziplist* [r debug object $key]
}
test {RPOPLPUSH with the same list as src and dst} {
r del mylist
r rpush mylist a
r rpush mylist b
r rpush mylist c
set l1 [r lrange mylist 0 -1]
set v [r rpoplpush mylist mylist]
set l2 [r lrange mylist 0 -1]
list $l1 $v $l2
} {{a b c} c {c a b}}
proc create_regular_list {key entries} {
r del $key
r rpush $key "aaaaaaaaaaaaaaaaa"
foreach entry $entries { r rpush $key $entry }
assert_equal "aaaaaaaaaaaaaaaaa" [r lpop $key]
assert_match *encoding:list* [r debug object $key]
}
test {RPOPLPUSH target list already exists} {
r del mylist
r del newlist
r rpush mylist a
r rpush mylist b
r rpush mylist c
r rpush mylist d
r rpush newlist x
set v1 [r rpoplpush mylist newlist]
set v2 [r rpoplpush mylist newlist]
set l1 [r lrange mylist 0 -1]
set l2 [r lrange newlist 0 -1]
list $v1 $v2 $l1 $l2
} {d c {a b} {c d x}}
test {RPOPLPUSH base case - ziplist} {
r del mylist1 mylist2
create_ziplist mylist1 {a b c d}
assert_equal d [r rpoplpush mylist1 mylist2]
assert_equal c [r rpoplpush mylist1 mylist2]
assert_equal {a b} [r lrange mylist1 0 -1]
assert_equal {c d} [r lrange mylist2 0 -1]
assert_encoding ziplist mylist2
}
test {RPOPLPUSH base case - regular list} {
r del mylist1 mylist2
create_regular_list mylist1 {a b c d}
assert_equal d [r rpoplpush mylist1 mylist2]
assert_equal c [r rpoplpush mylist1 mylist2]
assert_equal {a b} [r lrange mylist1 0 -1]
assert_equal {c d} [r lrange mylist2 0 -1]
assert_encoding ziplist mylist2
}
test {RPOPLPUSH with the same list as src and dst - ziplist} {
create_ziplist myziplist {a b c}
assert_equal {a b c} [r lrange myziplist 0 -1]
assert_equal c [r rpoplpush myziplist myziplist]
assert_equal {c a b} [r lrange myziplist 0 -1]
}
test {RPOPLPUSH with the same list as src and dst - regular list} {
create_regular_list mylist {a b c}
assert_equal {a b c} [r lrange mylist 0 -1]
assert_equal c [r rpoplpush mylist mylist]
assert_equal {c a b} [r lrange mylist 0 -1]
}
test {RPOPLPUSH target list already exists, being a ziplist} {
create_regular_list srclist {a b c d}
create_ziplist dstlist {x}
assert_equal d [r rpoplpush srclist dstlist]
assert_equal c [r rpoplpush srclist dstlist]
assert_equal {a b} [r lrange srclist 0 -1]
assert_equal {c d x} [r lrange dstlist 0 -1]
}
test {RPOPLPUSH target list already exists, being a regular list} {
create_regular_list srclist {a b c d}
create_regular_list dstlist {x}
assert_equal d [r rpoplpush srclist dstlist]
assert_equal c [r rpoplpush srclist dstlist]
assert_equal {a b} [r lrange srclist 0 -1]
assert_equal {c d x} [r lrange dstlist 0 -1]
}
test {RPOPLPUSH against non existing key} {
r del mylist
r del newlist
set v1 [r rpoplpush mylist newlist]
list $v1 [r exists mylist] [r exists newlist]
} {{} 0 0}
r del srclist dstlist
assert_equal {} [r rpoplpush srclist dstlist]
assert_equal 0 [r exists srclist]
assert_equal 0 [r exists dstlist]
}
test {RPOPLPUSH against non list src key} {
r del mylist
r del newlist
r set mylist x
catch {r rpoplpush mylist newlist} err
list [r type mylist] [r exists newlist] [string range $err 0 2]
} {string 0 ERR}
r del srclist dstlist
r set srclist x
assert_error ERR* {r rpoplpush srclist dstlist}
assert_type string srclist
assert_equal 0 [r exists newlist]
}
test {RPOPLPUSH against non list dst key} {
r del mylist
r del newlist
r rpush mylist a
r rpush mylist b
r rpush mylist c
r rpush mylist d
r set newlist x
catch {r rpoplpush mylist newlist} err
list [r lrange mylist 0 -1] [r type newlist] [string range $err 0 2]
} {{a b c d} string ERR}
create_ziplist srclist {a b c d}
r set dstlist x
assert_error ERR* {r rpoplpush srclist dstlist}
assert_type string dstlist
assert_equal {a b c d} [r lrange srclist 0 -1]
}
test {RPOPLPUSH against non existing src key} {
r del mylist
r del newlist
r rpoplpush mylist newlist
} {}
test {Basic LPOP/RPOP} {
r del mylist
r rpush mylist 1
r rpush mylist 2
r lpush mylist 0
list [r lpop mylist] [r rpop mylist] [r lpop mylist] [r llen mylist]
} [list 0 2 1 0]
test {LPOP/RPOP against empty list} {
r lpop mylist
r del srclist dstlist
assert_equal {} [r rpoplpush srclist dstlist]
} {}
test {LPOP against non list value} {
test {Basic LPOP/RPOP - ziplist} {
create_ziplist myziplist {0 1 2}
assert_equal 0 [r lpop myziplist]
assert_equal 2 [r rpop myziplist]
assert_equal 1 [r lpop myziplist]
assert_equal 0 [r llen myziplist]
# pop on empty list
assert_equal {} [r lpop myziplist]
assert_equal {} [r rpop myziplist]
}
test {Basic LPOP/RPOP - regular list} {
create_regular_list mylist {0 1 2}
assert_equal 0 [r lpop mylist]
assert_equal 2 [r rpop mylist]
assert_equal 1 [r lpop mylist]
assert_equal 0 [r llen mylist]
# pop on empty list
assert_equal {} [r lpop mylist]
assert_equal {} [r rpop mylist]
}
test {LPOP/RPOP against non list value} {
r set notalist foo
catch {r lpop notalist} err
format $err
} {ERR*kind*}
assert_error ERR*kind* {r lpop notalist}
assert_error ERR*kind* {r rpop notalist}
}
test {Mass LPUSH/LPOP} {
set sum 0
for {set i 0} {$i < 1000} {incr i} {
test {Mass RPOP/LPOP - ziplist} {
r del mylist
set sum1 0
for {set i 0} {$i < 250} {incr i} {
r lpush mylist $i
incr sum $i
incr sum1 $i
}
assert_encoding ziplist mylist
set sum2 0
for {set i 0} {$i < 500} {incr i} {
for {set i 0} {$i < 125} {incr i} {
incr sum2 [r lpop mylist]
incr sum2 [r rpop mylist]
}
expr $sum == $sum2
} {1}
assert_equal $sum1 $sum2
}
test {LRANGE basics} {
for {set i 0} {$i < 10} {incr i} {
r rpush mylist $i
test {Mass RPOP/LPOP - regular list} {
r del mylist
set sum1 0
for {set i 0} {$i < 500} {incr i} {
r lpush mylist $i
incr sum1 $i
}
list [r lrange mylist 1 -2] \
[r lrange mylist -3 -1] \
[r lrange mylist 4 4]
} {{1 2 3 4 5 6 7 8} {7 8 9} 4}
assert_encoding list mylist
set sum2 0
for {set i 0} {$i < 250} {incr i} {
incr sum2 [r lpop mylist]
incr sum2 [r rpop mylist]
}
assert_equal $sum1 $sum2
}
test {LRANGE inverted indexes} {
r lrange mylist 6 2
} {}
test {LRANGE basics - ziplist} {
create_ziplist mylist {0 1 2 3 4 5 6 7 8 9}
assert_equal {1 2 3 4 5 6 7 8} [r lrange mylist 1 -2]
assert_equal {7 8 9} [r lrange mylist -3 -1]
assert_equal {4} [r lrange mylist 4 4]
}
test {LRANGE out of range indexes including the full list} {
r lrange mylist -1000 1000
} {0 1 2 3 4 5 6 7 8 9}
test {LRANGE basics - ziplist} {
create_regular_list mylist {0 1 2 3 4 5 6 7 8 9}
assert_equal {1 2 3 4 5 6 7 8} [r lrange mylist 1 -2]
assert_equal {7 8 9} [r lrange mylist -3 -1]
assert_equal {4} [r lrange mylist 4 4]
}
test {LRANGE inverted indexes - ziplist} {
create_ziplist mylist {0 1 2 3 4 5 6 7 8 9}
assert_equal {} [r lrange mylist 6 2]
}
test {LRANGE inverted indexes - regular list} {
create_regular_list mylist {0 1 2 3 4 5 6 7 8 9}
assert_equal {} [r lrange mylist 6 2]
}
test {LRANGE out of range indexes including the full list - ziplist} {
create_ziplist mylist {1 2 3}
assert_equal {1 2 3} [r lrange mylist -1000 1000]
}
test {LRANGE out of range indexes including the full list - regular list} {
create_regular_list mylist {1 2 3}
assert_equal {1 2 3} [r lrange mylist -1000 1000]
}
test {LRANGE against non existing key} {
r lrange nosuchkey 0 1
} {}
assert_equal {} [r lrange nosuchkey 0 1]
}
test {LTRIM basics} {
test {LTRIM basics - ziplist} {
r del mylist
r lpush mylist "aaa"
assert_encoding ziplist mylist
for {set i 0} {$i < 100} {incr i} {
r lpush mylist $i
r ltrim mylist 0 4
@ -223,106 +347,114 @@ start_server {tags {"list"}} {
r lrange mylist 0 -1
} {99 98 97 96 95}
test {LTRIM stress testing} {
test {LTRIM basics - regular list} {
r del mylist
r lpush mylist "aaaaaaaaaaaaaaaaa"
assert_encoding list mylist
for {set i 0} {$i < 100} {incr i} {
r lpush mylist $i
r ltrim mylist 0 4
}
r lrange mylist 0 -1
} {99 98 97 96 95}
test {LTRIM stress testing - ziplist} {
set mylist {}
set err {}
for {set i 0} {$i < 20} {incr i} {
lappend mylist $i
}
for {set j 0} {$j < 100} {incr j} {
# Fill the list
r del mylist
for {set i 0} {$i < 20} {incr i} {
r rpush mylist $i
}
create_ziplist mylist $mylist
# Trim at random
set a [randomInt 20]
set b [randomInt 20]
r ltrim mylist $a $b
if {[r lrange mylist 0 -1] ne [lrange $mylist $a $b]} {
set err "[r lrange mylist 0 -1] != [lrange $mylist $a $b]"
break
}
assert_equal [lrange $mylist $a $b] [r lrange mylist 0 -1]
}
set _ $err
} {}
}
test {LSET} {
r del mylist
foreach x {99 98 97 96 95} {
r rpush mylist $x
test {LTRIM stress testing - regular list} {
set mylist {}
for {set i 0} {$i < 20} {incr i} {
lappend mylist $i
}
for {set j 0} {$j < 100} {incr j} {
create_regular_list mylist $mylist
# Trim at random
set a [randomInt 20]
set b [randomInt 20]
r ltrim mylist $a $b
assert_equal [lrange $mylist $a $b] [r lrange mylist 0 -1]
}
}
test {LSET - ziplist} {
create_ziplist mylist {99 98 97 96 95}
r lset mylist 1 foo
r lset mylist -1 bar
r lrange mylist 0 -1
} {99 foo 97 96 bar}
assert_equal {99 foo 97 96 bar} [r lrange mylist 0 -1]
}
test {LSET out of range index} {
catch {r lset mylist 10 foo} err
format $err
} {ERR*range*}
test {LSET out of range index - ziplist} {
assert_error ERR*range* {r lset mylist 10 foo}
}
test {LSET - regular list} {
create_regular_list mylist {99 98 97 96 95}
r lset mylist 1 foo
r lset mylist -1 bar
assert_equal {99 foo 97 96 bar} [r lrange mylist 0 -1]
}
test {LSET out of range index - regular list} {
assert_error ERR*range* {r lset mylist 10 foo}
}
test {LSET against non existing key} {
catch {r lset nosuchkey 10 foo} err
format $err
} {ERR*key*}
assert_error ERR*key* {r lset nosuchkey 10 foo}
}
test {LSET against non list value} {
r set nolist foobar
catch {r lset nolist 0 foo} err
format $err
} {ERR*value*}
test {LREM, remove all the occurrences} {
r flushdb
r rpush mylist foo
r rpush mylist bar
r rpush mylist foobar
r rpush mylist foobared
r rpush mylist zap
r rpush mylist bar
r rpush mylist test
r rpush mylist foo
set res [r lrem mylist 0 bar]
list [r lrange mylist 0 -1] $res
} {{foo foobar foobared zap test foo} 2}
assert_error ERR*value* {r lset nolist 0 foo}
}
test {LREM, remove the first occurrence} {
set res [r lrem mylist 1 foo]
list [r lrange mylist 0 -1] $res
} {{foobar foobared zap test foo} 1}
foreach type {ziplist regular_list} {
set formatted_type [string map {"_" " "} $type]
test {LREM, remove non existing element} {
set res [r lrem mylist 1 nosuchelement]
list [r lrange mylist 0 -1] $res
} {{foobar foobared zap test foo} 0}
test "LREM remove all the occurrences - $formatted_type" {
create_$type mylist {foo bar foobar foobared zap bar test foo}
assert_equal 2 [r lrem mylist 0 bar]
assert_equal {foo foobar foobared zap test foo} [r lrange mylist 0 -1]
}
test {LREM, starting from tail with negative count} {
r flushdb
r rpush mylist foo
r rpush mylist bar
r rpush mylist foobar
r rpush mylist foobared
r rpush mylist zap
r rpush mylist bar
r rpush mylist test
r rpush mylist foo
r rpush mylist foo
set res [r lrem mylist -1 bar]
list [r lrange mylist 0 -1] $res
} {{foo bar foobar foobared zap test foo foo} 1}
test "LREM remove the first occurrence - $formatted_type" {
assert_equal 1 [r lrem mylist 1 foo]
assert_equal {foobar foobared zap test foo} [r lrange mylist 0 -1]
}
test {LREM, starting from tail with negative count (2)} {
set res [r lrem mylist -2 foo]
list [r lrange mylist 0 -1] $res
} {{foo bar foobar foobared zap test} 2}
test "LREM remove non existing element - $formatted_type" {
assert_equal 0 [r lrem mylist 1 nosuchelement]
assert_equal {foobar foobared zap test foo} [r lrange mylist 0 -1]
}
test {LREM, deleting objects that may be encoded as integers} {
r lpush myotherlist 1
r lpush myotherlist 2
r lpush myotherlist 3
r lrem myotherlist 1 2
r llen myotherlist
} {2}
test "LREM starting from tail with negative count - $formatted_type" {
create_$type mylist {foo bar foobar foobared zap bar test foo foo}
assert_equal 1 [r lrem mylist -1 bar]
assert_equal {foo bar foobar foobared zap test foo foo} [r lrange mylist 0 -1]
}
test "LREM starting from tail with negative count (2) - $formatted_type" {
assert_equal 2 [r lrem mylist -2 foo]
assert_equal {foo bar foobar foobared zap test} [r lrange mylist 0 -1]
}
test "LREM deleting objects that may be int encoded - $formatted_type" {
create_$type myotherlist {1 2 3}
assert_equal 1 [r lrem myotherlist 1 2]
assert_equal 2 [r llen myotherlist]
}
}
}