intset stress testing added, ziplist stress testing relocated in a more appropriate place

tests/unit/type/list.tcl

@@ -604,6 +604,16 @@ start_server {
             assert_equal 3 [r llen myotherlist]
         }
 
+    }
+}
+
+start_server {
+    tags {list ziplist}
+    overrides {
+        "list-max-ziplist-value" 200000
+        "list-max-ziplist-entries" 256
+    }
+} {
     test {Explicit regression for a list bug} {
         set mylist {49376042582 {BkG2o\pIC]4YYJa9cJ4GWZalG[4tin;1D2whSkCOW`mX;SFXGyS8sedcff3fQI^tgPCC@^Nu1J6o]meM@Lko]t_jRyo<xSJ1oObDYd`ppZuW6P@fS278YaOx=s6lvdFlMbP0[SbkI^Kr\HBXtuFaA^mDx:yzS4a[skiiPWhT<nNfAf=aQVfclcuwDrfe;iVuKdNvB9kbfq>tK?tH[\EvWqS]b`o2OCtjg:?nUTwdjpcUm]y:pg5q24q7LlCOwQE^}}
         r del l
@@ -666,4 +676,3 @@ start_server {
         }
     }
 }
-}

tests/unit/type/set.tcl

@@ -295,4 +295,40 @@ start_server {
         r set x 10
         assert_error "ERR*wrong kind*" {r smove myset2 x foo}
     }
+
+    tags {slow} {
+        test {intsets implementation stress testing} {
+            for {set j 0} {$j < 20} {incr j} {
+                unset -nocomplain s
+                array set s {}
+                r del s
+                set len [randomInt 1024]
+                for {set i 0} {$i < $len} {incr i} {
+                    randpath {
+                        set data [randomInt 65536]
+                    } {
+                        set data [randomInt 4294967296]
+                    } {
+                        set data [randomInt 18446744073709551616]
+                    }
+                    set s($data) {}
+                    r sadd s $data
+                }
+                assert_equal [lsort [r smembers s]] [lsort [array names s]]
+                set len [array size s]
+                for {set i 0} {$i < $len} {incr i} {
+                    set e [r spop s]
+                    if {![info exists s($e)]} {
+                        puts "Can't find '$e' on local array"
+                        puts "Local array: [lsort [r smembers s]]"
+                        puts "Remote array: [lsort [array names s]]"
+                        error "exception"
+                    }
+                    array unset s $e
+                }
+                assert_equal [r scard s] 0
+                assert_equal [array size s] 0
+            }
+        }
+    }
 }