diff options
Diffstat (limited to 'tests/stdlib/nre/find.nim')
-rw-r--r-- | tests/stdlib/nre/find.nim | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tests/stdlib/nre/find.nim b/tests/stdlib/nre/find.nim new file mode 100644 index 000000000..7e7555d73 --- /dev/null +++ b/tests/stdlib/nre/find.nim @@ -0,0 +1,41 @@ +import unittest, sequtils +import nre except toSeq +import optional_nonstrict +import times, strutils + +block: # find + block: # find text + check("3213a".find(re"[a-z]").match == "a") + check(toSeq(findIter("1 2 3 4 5 6 7 8 ", re" ")).map( + proc (a: RegexMatch): string = a.match + ) == @[" ", " ", " ", " ", " ", " ", " ", " "]) + + block: # find bounds + check(toSeq(findIter("1 2 3 4 5 ", re" ")).map( + proc (a: RegexMatch): Slice[int] = a.matchBounds + ) == @[1..1, 3..3, 5..5, 7..7, 9..9]) + + block: # overlapping find + check("222".findAll(re"22") == @["22"]) + check("2222".findAll(re"22") == @["22", "22"]) + + block: # len 0 find + check("".findAll(re"\ ") == newSeq[string]()) + check("".findAll(re"") == @[""]) + check("abc".findAll(re"") == @["", "", "", ""]) + check("word word".findAll(re"\b") == @["", "", "", ""]) + check("word\r\lword".findAll(re"(*ANYCRLF)(?m)$") == @["", ""]) + check("слово слово".findAll(re"(*U)\b") == @["", "", "", ""]) + + block: # 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 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.* = "(.*?)"" + + check(smallData.findAll(expression) == newSeq[string]()) + check(largeData.findAll(expression) == newSeq[string]()) |