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Diffstat (limited to 'tests/stdlib/nre/replace.nim')
| -rw-r--r-- | tests/stdlib/nre/replace.nim | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/stdlib/nre/replace.nim b/tests/stdlib/nre/replace.nim new file mode 100644 index 000000000..516fd4328 --- /dev/null +++ b/tests/stdlib/nre/replace.nim @@ -0,0 +1,20 @@ +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 ValueError: discard "ab".replace(re"(a)|(b)", "$1$2") + expect ValueError: discard "b".replace(re"(a)?(b)", "$1$2") |