Few initial ftruncate(2) tests. One of them covers stand/154873.
PR: stand/154873
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=219439
58
tools/regression/pjdfstest/tests/ftruncate/00.t
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58
tools/regression/pjdfstest/tests/ftruncate/00.t
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#!/bin/sh
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# $FreeBSD$
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desc="ftruncate descrease/increase file size"
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dir=`dirname $0`
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. ${dir}/../misc.sh
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echo "1..21"
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n0=`namegen`
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n1=`namegen`
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expect 0 mkdir ${n1} 0755
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cdir=`pwd`
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cd ${n1}
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expect 0 create ${n0} 0644
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expect 0 open ${n0} O_RDWR : ftruncate 0 1234567
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expect 1234567 lstat ${n0} size
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expect 0 open ${n0} O_WRONLY : ftruncate 0 567
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expect 567 lstat ${n0} size
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expect 0 unlink ${n0}
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dd if=/dev/random of=${n0} bs=12345 count=1 >/dev/null 2>&1
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expect 0 open ${n0} O_RDWR : ftruncate 0 23456
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expect 23456 lstat ${n0} size
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expect 0 open ${n0} O_WRONLY : ftruncate 0 1
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expect 1 lstat ${n0} size
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expect 0 unlink ${n0}
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# successful ftruncate(2) updates ctime.
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expect 0 create ${n0} 0644
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ctime1=`${fstest} stat ${n0} ctime`
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sleep 1
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expect 0 open ${n0} O_RDWR : ftruncate 0 123
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ctime2=`${fstest} stat ${n0} ctime`
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test_check $ctime1 -lt $ctime2
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expect 0 unlink ${n0}
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# unsuccessful ftruncate(2) does not update ctime.
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expect 0 create ${n0} 0644
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ctime1=`${fstest} stat ${n0} ctime`
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sleep 1
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expect EINVAL -u 65534 open ${n0} O_RDONLY : ftruncate 0 123
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ctime2=`${fstest} stat ${n0} ctime`
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test_check $ctime1 -eq $ctime2
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expect 0 unlink ${n0}
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# third argument should not affect permission.
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expect 0 open ${n0} O_CREAT,O_RDWR 0 : ftruncate 0 0
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expect 0 unlink ${n0}
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expect 0 chmod . 0777
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expect 0 -u 65534 open ${n0} O_CREAT,O_RDWR 0 : ftruncate 0 0
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expect 0 unlink ${n0}
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cd ${cdir}
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expect 0 rmdir ${n1}
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