diff options
Diffstat (limited to 'posix/ptestcases.h')
| -rw-r--r-- | posix/ptestcases.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/posix/ptestcases.h b/posix/ptestcases.h index 2819004..506b1cc 100644 --- a/posix/ptestcases.h +++ b/posix/ptestcases.h @@ -221,11 +221,18 @@ { 1, 20, "a\\(.*b\\)c", "axcaxbbbcsxbbbbbbbbc", }, { 0, 0, "GA135", NULL, }, { 1, 7, "\\(a\\(b\\(c\\(d\\(e\\)\\)\\)\\)\\)\\4", "abcdededede", }, - { 1, 2, "a\\(b\\)*c\\1", "acb", }, + { 0, 0, NULL, "POSIX does not really specify whether a\\(b\\)*c\\1 matches acb." }, + { 0, 0, NULL, "back references are supposed to expand to the last match, but what" }, + { 0, 0, NULL, "if there never was a match as in this case?" }, + { -1, -1, "a\\(b\\)*c\\1", "acb", }, { 1, 11, "\\(a\\(b\\(c\\(d\\(e\\(f\\(g\\)h\\(i\\(j\\)\\)\\)\\)\\)\\)\\)\\)\\9", "abcdefghijjk", }, { 0, 0, "GA136", NULL, }, - { 1, 2, "a\\(b\\)*c\\1", "acb", }, - { 4, 7, "a\\(b\\(c\\(d\\(f\\)*\\)\\)\\)\\4", "xYzabcdePQRST", }, + { 0, 0, NULL, "These two tests have the same problem as the test in GA135. No match" }, + { 0, 0, NULL, "of a subexpression, why should the back reference be usable?" }, + { 0, 0, NULL, "1 2 a\\(b\\)*c\\1 acb" }, + { 0, 0, NULL, "4 7 a\\(b\\(c\\(d\\(f\\)*\\)\\)\\)\\4¦xYzabcdePQRST" }, + { -1, -1, "a\\(b\\)*c\\1", "acb", }, + { -1, -1, "a\\(b\\(c\\(d\\(f\\)*\\)\\)\\)\\4", "xYzabcdePQRST", }, { 0, 0, "GA137", NULL, }, { -2, -2, "\\(a\\(b\\)\\)\\3", "foo", }, { -2, -2, "\\(a\\(b\\)\\)\\(a\\(b\\)\\)\\5", "foo", }, |