| [3611] | 1 | #!/bin/sh
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| 2 | # Test character-class definitions in POSIX mode.
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| 3 |
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| 4 | # Copyright (C) 2016-2022 Free Software Foundation, Inc.
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| 5 |
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| 6 | # This program is free software: you can redistribute it and/or modify
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| 7 | # it under the terms of the GNU General Public License as published by
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| 8 | # the Free Software Foundation, either version 3 of the License, or
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| 9 | # (at your option) any later version.
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| 10 |
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| 11 | # This program is distributed in the hope that it will be useful,
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| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | # GNU General Public License for more details.
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| 15 |
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| 16 | # You should have received a copy of the GNU General Public License
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| 17 | # along with this program. If not, see <https://www.gnu.org/licenses/>.
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| 18 |
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| 19 | # NOTE:
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| 20 | # In GNU Extension mode, all text is normalized (e.g. backslash-X combinations).
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| 21 | # In POSIX mode, normalize_text() ensures content of character
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| 22 | # classes is not normalized.
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| 23 | #
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| 24 | # Compare:
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| 25 | # $ printf "t\t\n" | sed 's/[\t]/X/' | od -a
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| 26 | # 0000000 t X nl
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| 27 | # $ printf "t\t\n" | sed --posix 's/[\t]/X/' | od -a
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| 28 | # 0000000 X ht nl
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| 29 | #
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| 30 | # This test unit validates the special handling of character classes
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| 31 | # in posix mode (compile.c:normalize_text() implementation).
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| 32 |
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| 33 |
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| 34 | . "${srcdir=.}/testsuite/init.sh"; path_prepend_ ./sed
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| 35 | print_ver_ sed
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| 36 |
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| 37 | echo X > exp || framework_failure_
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| 38 |
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| 39 | # Closing bracket without opening bracket, match as-is
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| 40 | echo ']' | sed --posix 's/]/X/' > out1 || fail=1
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| 41 | compare_ exp out1 || fail=1
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| 42 |
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| 43 | # Two opening brackets (same state when opening the second one)
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| 44 | echo '[' | sed --posix 's/[[]/X/' > out2 || fail=1
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| 45 | compare_ exp out2 || fail=1
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| 46 |
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| 47 | # Escaping before and after the character class, but not inside it (POSIX MODE)
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| 48 | printf "\tt\t\n" | sed --posix 's/\t[\t]\t/X/' > out3 || fail=1
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| 49 | compare_ exp out3 || fail=1
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| 50 |
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| 51 | # Escaping before, inside, and after the character class (GNU MODE)
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| 52 | printf "\t\t\t\n" | sed 's/\t[\t]\t/X/' > out4 || fail=1
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| 53 | compare_ exp out4 || fail=1
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| 54 |
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| 55 | # Special characters, but outside a valid character-class syntax
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| 56 | printf "=\n" | sed --posix 's/[.=:.]/X/' > out5 || fail=1
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| 57 | compare_ exp out5 || fail=1
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| 58 |
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| 59 | # A valid character class definition
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| 60 | printf "b\n" | sed --posix 's/[[:alpha:]]/X/' > out6 || fail=1
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| 61 | compare_ exp out6 || fail=1
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| 62 |
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| 63 |
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| 64 |
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| 65 | Exit $fail
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