27 lines
781 B
Bash
Executable File
27 lines
781 B
Bash
Executable File
#!/bin/sh
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#
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# Make sure -S stops at the given size.
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true "${testSubject:?not set - call this from 'make check'}"
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true "${workFile1:?not set - call this from 'make check'}"
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true "${workFile2:?not set - call this from 'make check'}"
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# generate some data
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dd if=/dev/urandom of="${workFile1}" bs=1024 count=10 2>/dev/null
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# read through pv and test afterwards
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"${testSubject}" -S -s 5120 -q "${workFile1}" > "${workFile2}"
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outputChecksum=$(cksum "${workFile2}" | awk '{print $1}')
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# take the first 5120 bytes of workFile1 and cksum them
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dd if="${workFile1}" of="${workFile2}" bs=1024 count=5 2>/dev/null
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inputChecksum=$(cksum "${workFile2}" | awk '{print $1}')
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if ! test "${inputChecksum}" = "${outputChecksum}"; then
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echo "input and output checksums differ"
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exit 1
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fi
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exit 0
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