| 1 | #!/bin/sh
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| 2 | # Test for a performance regression with -Fw and a non-UTF8 multibyte locale.
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| 3 |
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| 4 | # Copyright 2019-2021 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 | . "${srcdir=.}/init.sh"; path_prepend_ ../src
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| 20 |
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| 21 | fail=0
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| 22 |
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| 23 | require_timeout_
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| 24 | require_JP_EUC_locale_
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| 25 |
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| 26 | yes 00 | head -10000000 > in || framework_failure_
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| 27 |
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| 28 | # Since we're using an absolute timeout below and want to avoid any initial
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| 29 | # disk read performance penalty, run first with a large timeout and no error
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| 30 | # test to prime any cache. Prompted by a report of test failure on a netbsd8.1
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| 31 | # VM whereby the first run would take 2.5 MINUTES, yet the second would complete
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| 32 | # in just half a second.
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| 33 | timeout 500 grep -Fw 0 in
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| 34 |
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| 35 | # Before fixing the regression, this would have taken minutes.
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| 36 | # With the fix, it typically completes in well under one second.
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| 37 | returns_ 1 timeout 30 grep -Fw 0 in || fail=1
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| 38 |
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| 39 | Exit $fail
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