mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-04-21 06:45:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

More robust tests for #5453 (#5469)

Browse Source
This commit is contained in:
Florent
2017-03-03 01:30:49 +01:00
committed by Andreas Rumpf
parent a81247dcbe
commit f7af16a1c9
1 changed files with 9 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
tests/stdlib/nre/find.nim
View File

@@ -30,17 +30,12 @@ suite "find":
test "bail early":
## we expect nothing to be found and we should be bailing out early which means that
## the timing difference between searching in small and large data should be well
## within a tolerance area
const tolerance = 0.0001
var smallData = repeat("url.sequence = \"http://whatever.com/jwhrejrhrjrhrjhrrjhrjrhrjrh\"", 10)
var largeData = repeat("url.sequence = \"http://whatever.com/jwhrejrhrjrhrjhrrjhrjrhrjrh\"", 1000000)
var start = cpuTime()
check(largeData.findAll(re"url.*? = '(.*?)'") == newSeq[string]())
var stop = cpuTime()
var elapsedLarge = stop - start
start = cpuTime()
check(smallData.findAll(re"url.*? = '(.*?)'") == newSeq[string]())
stop = cpuTime()
var elapsedSmall = stop - start
var difference = elapsedLarge - elapsedSmall
check(difference < tolerance)
## within a tolerance margin
const small = 10
const large = 1000
var smallData = repeat("url.sequence = \"http://whatever.com/jwhrejrhrjrhrjhrrjhrjrhrjrh\" ", small)
var largeData = repeat("url.sequence = \"http://whatever.com/jwhrejrhrjrhrjhrrjhrjrhrjrh\" ", large)
var expression = re"^url.* = &#34;(.*?)&#34;"
check(smallData.findAll(expression) == newSeq[string]())
check(largeData.findAll(expression) == newSeq[string]())