| 1 | #!/bin/sh
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| 2 | # Unit tests for init.sh
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| 3 | # Copyright (C) 2011-2022 Free Software Foundation, Inc.
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| 4 | # This file is part of the GNUlib Library.
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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 | : "${srcdir=.}"
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| 20 | . "$srcdir/init.sh"; path_prepend_ .
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| 21 |
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| 22 | fail=0
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| 23 |
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| 24 | test_compare()
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| 25 | {
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| 26 | touch empty || fail=1
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| 27 | echo xyz > in || fail=1
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| 28 |
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| 29 | compare /dev/null /dev/null >out 2>err || fail=1
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| 30 | test -s out && fail_ "out not empty: $(cat out)"
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| 31 | # "err" should be empty, too, but has "set -x" output when VERBOSE=yes
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| 32 | case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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| 33 |
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| 34 | compare /dev/null empty >out 2>err || fail=1
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| 35 | test -s out && fail_ "out not empty: $(cat out)"
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| 36 | case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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| 37 |
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| 38 | compare in in >out 2>err || fail=1
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| 39 | test -s out && fail_ "out not empty: $(cat out)"
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| 40 | case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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| 41 |
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| 42 | compare /dev/null in >out 2>err && fail=1
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| 43 | cat <<\EOF > exp
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| 44 | diff -u /dev/null in
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| 45 | --- /dev/null 1970-01-01
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| 46 | +++ in 1970-01-01
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| 47 | +xyz
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| 48 | EOF
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| 49 | compare exp out || fail=1
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| 50 | case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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| 51 |
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| 52 | compare empty in >out 2>err && fail=1
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| 53 | # Compare against expected output only if compare is using diff -u.
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| 54 | if grep @ out >/dev/null; then
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| 55 | # Remove the TAB-date suffix on each --- and +++ line,
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| 56 | # for both the expected and the actual output files.
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| 57 | # Also remove the @@ line, since Solaris 5.10 and GNU diff formats differ:
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| 58 | # -@@ -0,0 +1 @@
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| 59 | # +@@ -1,0 +1,1 @@
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| 60 | # Also, remove space after leading '+', since AIX 7.1 diff outputs a space.
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| 61 | sed 's/ .*//;/^@@/d;s/^+ /+/' out > k && mv k out
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| 62 | cat <<\EOF > exp
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| 63 | --- empty
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| 64 | +++ in
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| 65 | +xyz
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| 66 | EOF
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| 67 | compare exp out || fail=1
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| 68 | fi
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| 69 | case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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| 70 | }
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| 71 |
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| 72 | test_compare
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| 73 |
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| 74 | Exit $fail
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