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39 lines
828 B
Bash
39 lines
828 B
Bash
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#!/bin/sh
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# This test would fail on solaris2.7 with tail from pre-1.22k textutils.
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# The problem was that using the solaris2.7 setvbuf function to turn off
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# buffering doesn't flush stdout.
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# FIXME: actually, I couldn't find a way to write the test (without resorting
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# to use of expect) so that it would provoke the failure on solaris2.7.
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# To exercise the bug, cat's stdout seems to have to be directed
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# to a terminal.
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if test "$VERBOSE" = yes; then
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set -x
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tail --version
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fi
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tmp=tail-flush.$$
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pwd=`pwd`
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trap "cd $pwd; rm -rf $tmp" 0 1 2 3 15
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test_failure=0
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mkdir $tmp || test_failure=1
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cd $tmp || test_failure=1
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if test $test_failure = 1; then
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echo 'failure in testing framework'
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exit 1
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fi
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echo fubar > in
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tail -f in | cat > out &
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pid=$!
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sleep 1
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kill $pid
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fail=0
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test "`cat out`" = fubar || fail=1
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exit $fail
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