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Geo: improve fuzz test.

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The test now uses more diverse radius sizes, especially sizes near or
greater the whole earth surface are used, that are known to trigger edge
cases. Moreover the PRNG seeding was probably resulting into the same
sequence tested over and over again, now seeding unsing the current unix
time in milliseconds.

Related to #3631.
This commit is contained in:
antirez 2016-12-05 14:15:08 +01:00
parent 001138aec3
commit b1fc06f7eb
1 changed files with 11 additions and 3 deletions
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14
tests/unit/geo.tcl
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@ -221,18 +221,26 @@ start_server {tags {"geo"}} {
}
test {GEOADD + GEORANGE randomized test} {
set attempt 20
set attempt 30
while {[incr attempt -1]} {
set rv [lindex $regression_vectors $rv_idx]
incr rv_idx
unset -nocomplain debuginfo
set srand_seed [randomInt 1000000]
set srand_seed [clock milliseconds]
if {$rv ne {}} {set srand_seed [lindex $rv 0]}
lappend debuginfo "srand_seed is $srand_seed"
expr {srand($srand_seed)} ; # If you need a reproducible run
r del mypoints
set radius_km [expr {[randomInt 200]+10}]
if {[randomInt 10] == 0} {
# From time to time use very big radiuses
set radius_km [expr {[randomInt 50000]+10}]
} else {
# Normally use a few - ~200km radiuses to stress
# test the code the most in edge cases.
set radius_km [expr {[randomInt 200]+10}]
}
if {$rv ne {}} {set radius_km [lindex $rv 1]}
set radius_m [expr {$radius_km*1000}]
geo_random_point search_lon search_lat