mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-29 01:14:41 +00:00
23 lines
1018 B
Nim
23 lines
1018 B
Nim
include nre
|
|
import unittest
|
|
|
|
suite "replace":
|
|
test "replace with 0-length strings":
|
|
check("".replace(re"1", proc (v: RegexMatch): string = "1") == "")
|
|
check(" ".replace(re"", proc (v: RegexMatch): string = "1") == "1 1")
|
|
check("".replace(re"", proc (v: RegexMatch): string = "1") == "1")
|
|
|
|
test "regular replace":
|
|
check("123".replace(re"\d", "foo") == "foofoofoo")
|
|
check("123".replace(re"(\d)", "$1$1") == "112233")
|
|
check("123".replace(re"(\d)(\d)", "$1$2") == "123")
|
|
check("123".replace(re"(\d)(\d)", "$#$#") == "123")
|
|
check("123".replace(re"(?<foo>\d)(\d)", "$foo$#$#") == "1123")
|
|
check("123".replace(re"(?<foo>\d)(\d)", "${foo}$#$#") == "1123")
|
|
|
|
test "replacing missing captures should throw instead of segfaulting":
|
|
expect IndexError: discard "ab".replace(re"(a)|(b)", "$1$2")
|
|
expect IndexError: discard "b".replace(re"(a)?(b)", "$1$2")
|
|
expect KeyError: discard "b".replace(re"(a)?", "${foo}")
|
|
expect KeyError: discard "b".replace(re"(?<foo>a)?", "${foo}")
|