+ 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 {ZREMRANGE 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 {ZREMRANGE 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 {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
+ } {}
+
+ foreach fuzztype {binary alpha compr} {
+ test "FUZZ stresser with data model $fuzztype" {
+ set err 0
+ for {set i 0} {$i < 10000} {incr i} {
+ set fuzz [randstring 0 512 $fuzztype]
+ $r set foo $fuzz
+ set got [$r get foo]
+ if {$got ne $fuzz} {
+ set err [list $fuzz $got]
+ break
+ }
+ }
+ set _ $err
+ } {0}
+ }
+
+ test {BGSAVE} {
+ waitForBgsave $r
+ $r flushdb
+ $r save
+ $r set x 10
+ $r bgsave
+ waitForBgsave $r
+ $r debug reload
+ $r get x
+ } {10}
+
+ test {Handle an empty query well} {
+ set fd [$r channel]
+ puts -nonewline $fd "\r\n"
+ flush $fd
+ $r ping
+ } {PONG}
+
+ test {Negative multi bulk command does not create problems} {
+ set fd [$r channel]
+ puts -nonewline $fd "*-10\r\n"
+ flush $fd
+ $r ping
+ } {PONG}
+
+ test {Negative multi bulk payload} {
+ set fd [$r channel]
+ puts -nonewline $fd "SET x -10\r\n"
+ flush $fd
+ gets $fd
+ } {*invalid bulk*}
+
+ test {Too big bulk payload} {
+ set fd [$r channel]
+ puts -nonewline $fd "SET x 2000000000\r\n"
+ flush $fd
+ gets $fd
+ } {*invalid bulk*count*}
+
+ test {Multi bulk request not followed by bulk args} {
+ set fd [$r channel]
+ puts -nonewline $fd "*1\r\nfoo\r\n"
+ flush $fd
+ gets $fd
+ } {*protocol error*}
+
+ test {Generic wrong number of args} {
+ catch {$r ping x y z} err
+ set _ $err
+ } {*wrong*arguments*ping*}
+
+ test {SELECT an out of range DB} {
+ catch {$r select 1000000} err
+ set _ $err
+ } {*invalid*}
+
+ if {![catch {package require sha1}]} {
+ test {Check consistency of different data types after a reload} {
+ $r flushdb
+ createComplexDataset $r 10000
+ set sha1 [datasetDigest $r]
+ $r debug reload
+ set sha1_after [datasetDigest $r]
+ expr {$sha1 eq $sha1_after}
+ } {1}
+
+ test {Same dataset digest if saving/reloading as AOF?} {
+ $r bgrewriteaof
+ waitForBgrewriteaof $r
+ $r debug loadaof
+ set sha1_after [datasetDigest $r]
+ expr {$sha1 eq $sha1_after}
+ } {1}
+ }
+
+ test {EXPIRES after a reload (snapshot + append only file)} {
+ $r flushdb
+ $r set x 10
+ $r expire x 1000
+ $r save
+ $r debug reload
+ set ttl [$r ttl x]
+ set e1 [expr {$ttl > 900 && $ttl <= 1000}]
+ $r bgrewriteaof
+ waitForBgrewriteaof $r
+ set ttl [$r ttl x]
+ set e2 [expr {$ttl > 900 && $ttl <= 1000}]
+ list $e1 $e2
+ } {1 1}
+
+ test {PIPELINING stresser (also a regression for the old epoll bug)} {
+ set fd2 [socket 127.0.0.1 6379]
+ fconfigure $fd2 -encoding binary -translation binary
+ puts -nonewline $fd2 "SELECT 9\r\n"
+ flush $fd2
+ gets $fd2
+
+ for {set i 0} {$i < 100000} {incr i} {
+ set q {}
+ set val "0000${i}0000"
+ append q "SET key:$i [string length $val]\r\n$val\r\n"
+ puts -nonewline $fd2 $q
+ set q {}
+ append q "GET key:$i\r\n"
+ puts -nonewline $fd2 $q
+ }
+ flush $fd2
+
+ for {set i 0} {$i < 100000} {incr i} {
+ gets $fd2 line
+ gets $fd2 count
+ set count [string range $count 1 end]
+ set val [read $fd2 $count]
+ read $fd2 2
+ }
+ close $fd2
+ set _ 1
+ } {1}
+
+ test {MUTLI / EXEC basics} {
+ $r del mylist
+ $r rpush mylist a
+ $r rpush mylist b
+ $r rpush mylist c
+ $r multi
+ set v1 [$r lrange mylist 0 -1]
+ set v2 [$r ping]
+ set v3 [$r exec]
+ list $v1 $v2 $v3
+ } {QUEUED QUEUED {{a b c} PONG}}
+
+ test {DISCARD} {
+ $r del mylist
+ $r rpush mylist a
+ $r rpush mylist b
+ $r rpush mylist c
+ $r multi
+ set v1 [$r del mylist]
+ set v2 [$r discard]
+ set v3 [$r lrange mylist 0 -1]
+ list $v1 $v2 $v3
+ } {QUEUED OK {a b c}}
+
+ test {APPEND basics} {
+ list [$r append foo bar] [$r get foo] \
+ [$r append foo 100] [$r get foo]
+ } {3 bar 6 bar100}
+
+ test {APPEND fuzzing} {
+ set err {}
+ foreach type {binary alpha compr} {
+ set buf {}
+ $r del x
+ for {set i 0} {$i < 1000} {incr i} {
+ set bin [randstring 0 10 $type]
+ append buf $bin
+ $r append x $bin
+ }
+ if {$buf != [$r get x]} {
+ set err "Expected '$buf' found '[$r get x]'"
+ break
+ }
+ }
+ set _ $err
+ } {}
+
+ # Leave the user with a clean DB before to exit
+ test {FLUSHDB} {
+ set aux {}
+ $r select 9
+ $r flushdb
+ lappend aux [$r dbsize]
+ $r select 10
+ $r flushdb
+ lappend aux [$r dbsize]
+ } {0 0}
+
+ test {Perform a final SAVE to leave a clean DB on disk} {
+ $r save
+ } {OK}
+
+ catch {
+ if {[string match {*Darwin*} [exec uname -a]]} {
+ test {Check for memory leaks} {
+ exec leaks redis-server
+ } {*0 leaks*}
+ }
+ }
+