+ test {HSET/HLEN - Small hash creation} {
+ array set smallhash {}
+ for {set i 0} {$i < 8} {incr i} {
+ set key [randstring 0 8 alpha]
+ set val [randstring 0 8 alpha]
+ if {[info exists smallhash($key)]} {
+ incr i -1
+ continue
+ }
+ $r hset smallhash $key $val
+ set smallhash($key) $val
+ }
+ list [$r hlen smallhash]
+ } {8}
+
+ test {Is the small hash encoded with a zipmap?} {
+ $r debug object smallhash
+ } {*zipmap*}
+
+ test {HSET/HLEN - Big hash creation} {
+ array set bighash {}
+ for {set i 0} {$i < 1024} {incr i} {
+ set key [randstring 0 8 alpha]
+ set val [randstring 0 8 alpha]
+ if {[info exists bighash($key)]} {
+ incr i -1
+ continue
+ }
+ $r hset bighash $key $val
+ set bighash($key) $val
+ }
+ list [$r hlen bighash]
+ } {1024}
+
+ test {Is the big hash encoded with a zipmap?} {
+ $r debug object bighash
+ } {*hashtable*}
+
+ test {HGET against the small hash} {
+ set err {}
+ foreach k [array names smallhash *] {
+ if {$smallhash($k) ne [$r hget smallhash $k]} {
+ set err "$smallhash($k) != [$r hget smallhash $k]"
+ break
+ }
+ }
+ set _ $err
+ } {}
+
+ test {HGET against the big hash} {
+ set err {}
+ foreach k [array names bighash *] {
+ if {$bighash($k) ne [$r hget bighash $k]} {
+ set err "$bighash($k) != [$r hget bighash $k]"
+ break
+ }
+ }
+ set _ $err
+ } {}
+
+ test {HGET against non existing key} {
+ set rv {}
+ lappend rv [$r hget smallhash __123123123__]
+ lappend rv [$r hget bighash __123123123__]
+ set _ $rv
+ } {{} {}}
+
+ test {HSET in update and insert mode} {
+ set rv {}
+ set k [lindex [array names smallhash *] 0]
+ lappend rv [$r hset smallhash $k newval1]
+ set smallhash($k) newval1
+ lappend rv [$r hget smallhash $k]
+ lappend rv [$r hset smallhash __foobar123__ newval]
+ set k [lindex [array names bighash *] 0]
+ lappend rv [$r hset bighash $k newval2]
+ set bighash($k) newval2
+ lappend rv [$r hget bighash $k]
+ lappend rv [$r hset bighash __foobar123__ newval]
+ lappend rv [$r hdel smallhash __foobar123__]
+ lappend rv [$r hdel bighash __foobar123__]
+ set _ $rv
+ } {0 newval1 1 0 newval2 1 1 1}
+
+ test {HSETNX target key missing - small hash} {
+ $r hsetnx smallhash __123123123__ foo
+ $r hget smallhash __123123123__
+ } {foo}
+
+ test {HSETNX target key exists - small hash} {
+ $r hsetnx smallhash __123123123__ bar
+ set result [$r hget smallhash __123123123__]
+ $r hdel smallhash __123123123__
+ set _ $result
+ } {foo}
+
+ test {HSETNX target key missing - big hash} {
+ $r hsetnx bighash __123123123__ foo
+ $r hget bighash __123123123__
+ } {foo}
+
+ test {HSETNX target key exists - big hash} {
+ $r hsetnx bighash __123123123__ bar
+ set result [$r hget bighash __123123123__]
+ $r hdel bighash __123123123__
+ set _ $result
+ } {foo}
+
+ test {HMSET wrong number of args} {
+ catch {$r hmset smallhash key1 val1 key2} err
+ format $err
+ } {*wrong number*}
+
+ test {HMSET - small hash} {
+ set args {}
+ foreach {k v} [array get smallhash] {
+ set newval [randstring 0 8 alpha]
+ set smallhash($k) $newval
+ lappend args $k $newval
+ }
+ $r hmset smallhash {*}$args
+ } {OK}
+
+ test {HMSET - big hash} {
+ set args {}
+ foreach {k v} [array get bighash] {
+ set newval [randstring 0 8 alpha]
+ set bighash($k) $newval
+ lappend args $k $newval
+ }
+ $r hmset bighash {*}$args
+ } {OK}
+
+ test {HMGET against non existing key and fields} {
+ set rv {}
+ lappend rv [$r hmget doesntexist __123123123__ __456456456__]
+ lappend rv [$r hmget smallhash __123123123__ __456456456__]
+ lappend rv [$r hmget bighash __123123123__ __456456456__]
+ set _ $rv
+ } {{{} {}} {{} {}} {{} {}}}
+
+ test {HMGET - small hash} {
+ set keys {}
+ set vals {}
+ foreach {k v} [array get smallhash] {
+ lappend keys $k
+ lappend vals $v
+ }
+ set err {}
+ set result [$r hmget smallhash {*}$keys]
+ if {$vals ne $result} {
+ set err "$vals != $result"
+ break
+ }
+ set _ $err
+ } {}
+
+ test {HMGET - big hash} {
+ set keys {}
+ set vals {}
+ foreach {k v} [array get bighash] {
+ lappend keys $k
+ lappend vals $v
+ }
+ set err {}
+ set result [$r hmget bighash {*}$keys]
+ if {$vals ne $result} {
+ set err "$vals != $result"
+ break
+ }
+ set _ $err
+ } {}
+
+ test {HKEYS - small hash} {
+ lsort [$r hkeys smallhash]
+ } [lsort [array names smallhash *]]
+
+ test {HKEYS - big hash} {
+ lsort [$r hkeys bighash]
+ } [lsort [array names bighash *]]
+
+ test {HVALS - small hash} {
+ set vals {}
+ foreach {k v} [array get smallhash] {
+ lappend vals $v
+ }
+ set _ [lsort $vals]
+ } [lsort [$r hvals smallhash]]
+
+ test {HVALS - big hash} {
+ set vals {}
+ foreach {k v} [array get bighash] {
+ lappend vals $v
+ }
+ set _ [lsort $vals]
+ } [lsort [$r hvals bighash]]
+
+ test {HGETALL - small hash} {
+ lsort [$r hgetall smallhash]
+ } [lsort [array get smallhash]]
+
+ test {HGETALL - big hash} {
+ lsort [$r hgetall bighash]
+ } [lsort [array get bighash]]
+
+ test {HDEL and return value} {
+ set rv {}
+ lappend rv [$r hdel smallhash nokey]
+ lappend rv [$r hdel bighash nokey]
+ set k [lindex [array names smallhash *] 0]
+ lappend rv [$r hdel smallhash $k]
+ lappend rv [$r hdel smallhash $k]
+ lappend rv [$r hget smallhash $k]
+ unset smallhash($k)
+ set k [lindex [array names bighash *] 0]
+ lappend rv [$r hdel bighash $k]
+ lappend rv [$r hdel bighash $k]
+ lappend rv [$r hget bighash $k]
+ unset bighash($k)
+ set _ $rv
+ } {0 0 1 0 {} 1 0 {}}
+
+ test {HEXISTS} {
+ set rv {}
+ set k [lindex [array names smallhash *] 0]
+ lappend rv [$r hexists smallhash $k]
+ lappend rv [$r hexists smallhash nokey]
+ set k [lindex [array names bighash *] 0]
+ lappend rv [$r hexists bighash $k]
+ lappend rv [$r hexists bighash nokey]
+ } {1 0 1 0}
+
+ test {Is a zipmap encoded Hash promoted on big payload?} {
+ $r hset smallhash foo [string repeat a 1024]
+ $r debug object smallhash
+ } {*hashtable*}
+
+ test {HINCRBY against non existing database key} {
+ $r del htest
+ list [$r hincrby htest foo 2]
+ } {2}
+
+ test {HINCRBY against non existing hash key} {
+ set rv {}
+ $r hdel smallhash tmp
+ $r hdel bighash tmp
+ lappend rv [$r hincrby smallhash tmp 2]
+ lappend rv [$r hget smallhash tmp]
+ lappend rv [$r hincrby bighash tmp 2]
+ lappend rv [$r hget bighash tmp]
+ } {2 2 2 2}
+
+ test {HINCRBY against hash key created by hincrby itself} {
+ set rv {}
+ lappend rv [$r hincrby smallhash tmp 3]
+ lappend rv [$r hget smallhash tmp]
+ lappend rv [$r hincrby bighash tmp 3]
+ lappend rv [$r hget bighash tmp]
+ } {5 5 5 5}
+
+ test {HINCRBY against hash key originally set with HSET} {
+ $r hset smallhash tmp 100
+ $r hset bighash tmp 100
+ list [$r hincrby smallhash tmp 2] [$r hincrby bighash tmp 2]
+ } {102 102}
+
+ test {HINCRBY over 32bit value} {
+ $r hset smallhash tmp 17179869184
+ $r hset bighash tmp 17179869184
+ list [$r hincrby smallhash tmp 1] [$r hincrby bighash tmp 1]
+ } {17179869185 17179869185}
+
+ test {HINCRBY over 32bit value with over 32bit increment} {
+ $r hset smallhash tmp 17179869184
+ $r hset bighash tmp 17179869184
+ list [$r hincrby smallhash tmp 17179869184] [$r hincrby bighash tmp 17179869184]
+ } {34359738368 34359738368}
+
+ test {HINCRBY fails against hash value with spaces} {
+ $r hset smallhash str " 11 "
+ $r hset bighash str " 11 "
+ catch {$r hincrby smallhash str 1} smallerr
+ catch {$r hincrby smallhash str 1} bigerr
+ set rv {}
+ lappend rv [string match "ERR*not an integer*" $smallerr]
+ lappend rv [string match "ERR*not an integer*" $bigerr]
+ } {1 1}
+
+ # TODO:
+ # Randomized test, small and big
+ # .rdb / AOF consistency test should include hashes
+