+ test {MSET base case} {
+ $r mset x 10 y "foo bar" z "x x x x x x x\n\n\r\n"
+ $r mget x y z
+ } [list 10 {foo bar} "x x x x x x x\n\n\r\n"]
+
+ test {MSET wrong number of args} {
+ catch {$r mset x 10 y "foo bar" z} err
+ format $err
+ } {*wrong number*}
+
+ test {MSETNX with already existent key} {
+ list [$r msetnx x1 xxx y2 yyy x 20] [$r exists x1] [$r exists y2]
+ } {0 0 0}
+
+ test {MSETNX with not existing keys} {
+ list [$r msetnx x1 xxx y2 yyy] [$r get x1] [$r get y2]
+ } {1 xxx yyy}
+
+ test {MSETNX should remove all the volatile keys even on failure} {
+ $r mset x 1 y 2 z 3
+ $r expire y 10000
+ $r expire z 10000
+ list [$r msetnx x A y B z C] [$r mget x y z]
+ } {0 {1 {} {}}}
+
+ test {ZSET basic ZADD and score update} {
+ $r zadd ztmp 10 x
+ $r zadd ztmp 20 y
+ $r zadd ztmp 30 z
+ set aux1 [$r zrange ztmp 0 -1]
+ $r zadd ztmp 1 y
+ set aux2 [$r zrange ztmp 0 -1]
+ list $aux1 $aux2
+ } {{x y z} {y x z}}
+
+ test {ZCARD basics} {
+ $r zcard ztmp
+ } {3}
+
+ test {ZCARD non existing key} {
+ $r zcard ztmp-blabla
+ } {0}
+
+ test {ZRANK basics} {
+ $r zadd zranktmp 10 x
+ $r zadd zranktmp 20 y
+ $r zadd zranktmp 30 z
+ list [$r zrank zranktmp x] [$r zrank zranktmp y] [$r zrank zranktmp z]
+ } {0 1 2}
+
+ test {ZREVRANK basics} {
+ list [$r zrevrank zranktmp x] [$r zrevrank zranktmp y] [$r zrevrank zranktmp z]
+ } {2 1 0}
+
+ test {ZRANK - after deletion} {
+ $r zrem zranktmp y
+ list [$r zrank zranktmp x] [$r zrank zranktmp z]
+ } {0 1}
+
+ test {ZSCORE} {
+ set aux {}
+ set err {}
+ for {set i 0} {$i < 1000} {incr i} {
+ set score [expr rand()]
+ lappend aux $score
+ $r zadd zscoretest $score $i
+ }
+ for {set i 0} {$i < 1000} {incr i} {
+ if {[$r zscore zscoretest $i] != [lindex $aux $i]} {
+ set err "Expected score was [lindex $aux $i] but got [$r zscore zscoretest $i] for element $i"
+ break
+ }
+ }
+ set _ $err
+ } {}
+
+ test {ZSCORE after a DEBUG RELOAD} {
+ set aux {}
+ set err {}
+ $r del zscoretest
+ for {set i 0} {$i < 1000} {incr i} {
+ set score [expr rand()]
+ lappend aux $score
+ $r zadd zscoretest $score $i
+ }
+ $r debug reload
+ for {set i 0} {$i < 1000} {incr i} {
+ if {[$r zscore zscoretest $i] != [lindex $aux $i]} {
+ set err "Expected score was [lindex $aux $i] but got [$r zscore zscoretest $i] for element $i"
+ break
+ }
+ }
+ set _ $err
+ } {}
+
+ test {ZRANGE and ZREVRANGE basics} {
+ list [$r zrange ztmp 0 -1] [$r zrevrange ztmp 0 -1] \
+ [$r zrange ztmp 1 -1] [$r zrevrange ztmp 1 -1]
+ } {{y x z} {z x y} {x z} {x y}}
+
+ test {ZRANGE WITHSCORES} {
+ $r zrange ztmp 0 -1 withscores
+ } {y 1 x 10 z 30}
+
+ test {ZSETs stress tester - sorting is working well?} {
+ set delta 0
+ for {set test 0} {$test < 2} {incr test} {
+ unset -nocomplain auxarray
+ array set auxarray {}
+ set auxlist {}
+ $r del myzset
+ for {set i 0} {$i < 1000} {incr i} {
+ if {$test == 0} {
+ set score [expr rand()]
+ } else {
+ set score [expr int(rand()*10)]
+ }
+ set auxarray($i) $score
+ $r zadd myzset $score $i
+ # Random update
+ if {[expr rand()] < .2} {
+ set j [expr int(rand()*1000)]
+ if {$test == 0} {
+ set score [expr rand()]
+ } else {
+ set score [expr int(rand()*10)]
+ }
+ set auxarray($j) $score
+ $r zadd myzset $score $j
+ }
+ }
+ foreach {item score} [array get auxarray] {
+ lappend auxlist [list $score $item]
+ }
+ set sorted [lsort -command zlistAlikeSort $auxlist]
+ set auxlist {}
+ foreach x $sorted {
+ lappend auxlist [lindex $x 1]
+ }
+ set fromredis [$r zrange myzset 0 -1]
+ set delta 0
+ for {set i 0} {$i < [llength $fromredis]} {incr i} {
+ if {[lindex $fromredis $i] != [lindex $auxlist $i]} {
+ incr delta
+ }
+ }
+ }
+ format $delta
+ } {0}
+
+ test {ZINCRBY - can create a new sorted set} {
+ $r del zset
+ $r zincrby zset 1 foo
+ list [$r zrange zset 0 -1] [$r zscore zset foo]
+ } {foo 1}
+
+ test {ZINCRBY - increment and decrement} {
+ $r zincrby zset 2 foo
+ $r zincrby zset 1 bar
+ set v1 [$r zrange zset 0 -1]
+ $r zincrby zset 10 bar
+ $r zincrby zset -5 foo
+ $r zincrby zset -5 bar
+ set v2 [$r zrange zset 0 -1]
+ list $v1 $v2 [$r zscore zset foo] [$r zscore zset bar]
+ } {{bar foo} {foo bar} -2 6}
+
+ test {ZRANGEBYSCORE and ZCOUNT basics} {
+ $r del zset
+ $r zadd zset 1 a
+ $r zadd zset 2 b
+ $r zadd zset 3 c
+ $r zadd zset 4 d
+ $r zadd zset 5 e
+ list [$r zrangebyscore zset 2 4] [$r zrangebyscore zset (2 (4] \
+ [$r zcount zset 2 4] [$r zcount zset (2 (4]
+ } {{b c d} c 3 1}
+
+ test {ZRANGEBYSCORE withscores} {
+ $r del zset
+ $r zadd zset 1 a
+ $r zadd zset 2 b
+ $r zadd zset 3 c
+ $r zadd zset 4 d
+ $r zadd zset 5 e
+ $r zrangebyscore zset 2 4 withscores
+ } {b 2 c 3 d 4}
+
+ test {ZRANGEBYSCORE fuzzy test, 100 ranges in 1000 elements sorted set} {
+ set err {}
+ $r del zset
+ for {set i 0} {$i < 1000} {incr i} {
+ $r zadd zset [expr rand()] $i
+ }
+ for {set i 0} {$i < 100} {incr i} {
+ set min [expr rand()]
+ set max [expr rand()]
+ if {$min > $max} {
+ set aux $min
+ set min $max
+ set max $aux
+ }
+ set low [$r zrangebyscore zset -inf $min]
+ set ok [$r zrangebyscore zset $min $max]
+ set high [$r zrangebyscore zset $max +inf]
+ set lowx [$r zrangebyscore zset -inf ($min]
+ set okx [$r zrangebyscore zset ($min ($max]
+ set highx [$r zrangebyscore zset ($max +inf]
+
+ if {[$r zcount zset -inf $min] != [llength $low]} {
+ append err "Error, len does not match zcount\n"
+ }
+ if {[$r zcount zset $min $max] != [llength $ok]} {
+ append err "Error, len does not match zcount\n"
+ }
+ if {[$r zcount zset $max +inf] != [llength $high]} {
+ append err "Error, len does not match zcount\n"
+ }
+ if {[$r zcount zset -inf ($min] != [llength $lowx]} {
+ append err "Error, len does not match zcount\n"
+ }
+ if {[$r zcount zset ($min ($max] != [llength $okx]} {
+ append err "Error, len does not match zcount\n"
+ }
+ if {[$r zcount zset ($max +inf] != [llength $highx]} {
+ append err "Error, len does not match zcount\n"
+ }
+
+ foreach x $low {
+ set score [$r zscore zset $x]
+ if {$score > $min} {
+ append err "Error, score for $x is $score > $min\n"
+ }
+ }
+ foreach x $lowx {
+ set score [$r zscore zset $x]
+ if {$score >= $min} {
+ append err "Error, score for $x is $score >= $min\n"
+ }
+ }
+ foreach x $ok {
+ set score [$r zscore zset $x]
+ if {$score < $min || $score > $max} {
+ append err "Error, score for $x is $score outside $min-$max range\n"
+ }
+ }
+ foreach x $okx {
+ set score [$r zscore zset $x]
+ if {$score <= $min || $score >= $max} {
+ append err "Error, score for $x is $score outside $min-$max open range\n"
+ }
+ }
+ foreach x $high {
+ set score [$r zscore zset $x]
+ if {$score < $max} {
+ append err "Error, score for $x is $score < $max\n"
+ }
+ }
+ foreach x $highx {
+ set score [$r zscore zset $x]
+ if {$score <= $max} {
+ append err "Error, score for $x is $score <= $max\n"
+ }
+ }
+ }
+ set _ $err
+ } {}
+
+ test {ZRANGEBYSCORE with LIMIT} {
+ $r del zset
+ $r zadd zset 1 a
+ $r zadd zset 2 b
+ $r zadd zset 3 c
+ $r zadd zset 4 d
+ $r zadd zset 5 e
+ list \
+ [$r zrangebyscore zset 0 10 LIMIT 0 2] \
+ [$r zrangebyscore zset 0 10 LIMIT 2 3] \
+ [$r zrangebyscore zset 0 10 LIMIT 2 10] \
+ [$r zrangebyscore zset 0 10 LIMIT 20 10]
+ } {{a b} {c d e} {c d e} {}}
+
+ test {ZRANGEBYSCORE with LIMIT and withscores} {
+ $r del zset
+ $r zadd zset 10 a
+ $r zadd zset 20 b
+ $r zadd zset 30 c
+ $r zadd zset 40 d
+ $r zadd zset 50 e
+ $r zrangebyscore zset 20 50 LIMIT 2 3 withscores
+ } {d 40 e 50}
+
+ test {ZREMRANGEBYSCORE basics} {
+ $r del zset
+ $r zadd zset 1 a
+ $r zadd zset 2 b
+ $r zadd zset 3 c
+ $r zadd zset 4 d
+ $r zadd zset 5 e
+ list [$r zremrangebyscore zset 2 4] [$r zrange zset 0 -1]
+ } {3 {a e}}
+
+ test {ZREMRANGEBYSCORE from -inf to +inf} {
+ $r del zset
+ $r zadd zset 1 a
+ $r zadd zset 2 b
+ $r zadd zset 3 c
+ $r zadd zset 4 d
+ $r zadd zset 5 e
+ list [$r zremrangebyscore zset -inf +inf] [$r zrange zset 0 -1]
+ } {5 {}}
+
+ test {ZREMRANGEBYRANK basics} {
+ $r del zset
+ $r zadd zset 1 a
+ $r zadd zset 2 b
+ $r zadd zset 3 c
+ $r zadd zset 4 d
+ $r zadd zset 5 e
+ list [$r zremrangebyrank zset 1 3] [$r zrange zset 0 -1]
+ } {3 {a e}}
+
+ test {SORT against sorted sets} {
+ $r del zset
+ $r zadd zset 1 a
+ $r zadd zset 5 b
+ $r zadd zset 2 c
+ $r zadd zset 10 d
+ $r zadd zset 3 e
+ $r sort zset alpha desc
+ } {e d c b a}
+
+ test {Sorted sets +inf and -inf handling} {
+ $r del zset
+ $r zadd zset -100 a
+ $r zadd zset 200 b
+ $r zadd zset -300 c
+ $r zadd zset 1000000 d
+ $r zadd zset +inf max
+ $r zadd zset -inf min
+ $r zrange zset 0 -1
+ } {min c a b d max}
+
+ test {EXPIRE - don't set timeouts multiple times} {
+ $r set x foobar
+ set v1 [$r expire x 5]
+ set v2 [$r ttl x]
+ set v3 [$r expire x 10]
+ set v4 [$r ttl x]
+ list $v1 $v2 $v3 $v4
+ } {1 5 0 5}
+
+ test {EXPIRE - It should be still possible to read 'x'} {
+ $r get x
+ } {foobar}
+
+ test {EXPIRE - After 6 seconds the key should no longer be here} {
+ after 6000
+ list [$r get x] [$r exists x]
+ } {{} 0}
+
+ test {EXPIRE - Delete on write policy} {
+ $r del x
+ $r lpush x foo
+ $r expire x 1000
+ $r lpush x bar
+ $r lrange x 0 -1
+ } {bar}
+
+ test {EXPIREAT - Check for EXPIRE alike behavior} {
+ $r del x
+ $r set x foo
+ $r expireat x [expr [clock seconds]+15]
+ $r ttl x
+ } {1[345]}
+
+ test {ZSETs skiplist implementation backlink consistency test} {
+ set diff 0
+ set elements 10000
+ for {set j 0} {$j < $elements} {incr j} {
+ $r zadd myzset [expr rand()] "Element-$j"
+ $r zrem myzset "Element-[expr int(rand()*$elements)]"
+ }
+ set l1 [$r zrange myzset 0 -1]
+ set l2 [$r zrevrange myzset 0 -1]
+ for {set j 0} {$j < [llength $l1]} {incr j} {
+ if {[lindex $l1 $j] ne [lindex $l2 end-$j]} {
+ incr diff
+ }
+ }
+ format $diff
+ } {0}
+
+ test {ZSETs ZRANK augmented skip list stress testing} {
+ set err {}
+ $r del myzset
+ for {set k 0} {$k < 10000} {incr k} {
+ set i [expr {$k%1000}]
+ if {[expr rand()] < .2} {
+ $r zrem myzset $i
+ } else {
+ set score [expr rand()]
+ $r zadd myzset $score $i
+ }
+ set card [$r zcard myzset]
+ if {$card > 0} {
+ set index [randomInt $card]
+ set ele [lindex [$r zrange myzset $index $index] 0]
+ set rank [$r zrank myzset $ele]
+ if {$rank != $index} {
+ set err "$ele RANK is wrong! ($rank != $index)"
+ break
+ }
+ }
+ }
+ set _ $err
+ } {}
+