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275c078fb4
Run "make update-copyright", but then also run this, perl -pi -e 's/2\d\d\d-//' tests/sample-test to make that one script use the single most recent year number.
45 lines
1.6 KiB
Bash
Executable File
45 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# When reading a specified number of lines, ensure that the output
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# file pointer is positioned just after those lines.
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# Copyright (C) 2002-2014 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ head
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(echo a; echo b) > in || framework_failure_
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echo b > exp || framework_failure_
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for i in -1 1; do
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(head -n $i >/dev/null; cat) < in > out || fail=1
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compare exp out || fail=1
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done
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# Exercise the (start_pos < pos) block in elide_tail_lines_seekable.
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# So far, this is the only test to do that.
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# Do that by creating a file larger than BUFSIZ (I've seen 128K) and
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# elide a suffix of it (by line count) that is also larger than BUFSIZ.
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# 50000 lines times 6 bytes per line gives us enough leeway even on a
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# system with a BUFSIZ of 256K.
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n_lines=50000
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seq 70000 > in2 || framework_failure_
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echo $n_lines > exp-n || framework_failure_
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(head -n-$n_lines>/dev/null; wc -l) < in2 > n
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compare exp-n n || fail=1
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Exit $fail
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