20 lines
759 B
Bash
Executable File
20 lines
759 B
Bash
Executable File
#!/bin/sh
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#
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# Check that "--buffer-percent" displays correctly.
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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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# The output should show 100% and 0% as the buffer initially fills up due to
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# there being nowhere to write it to, and then empties.
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( dd if=/dev/zero bs=1024 count=1024; sleep 2; ) 2>/dev/null \
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| "${testSubject}" -f -T -i 0.5 -B 1024 2>"${workFile1}" \
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| (sleep 1; dd bs=1024 count=512; sleep 1; cat; ) >/dev/null 2>&1
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differentLines=$(tr '\r' '\n' < "${workFile1}" | sed '/^ *$/d' | sort | uniq | wc -l | tr -dc '0-9')
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test "${differentLines}" -gt 1 && exit 0
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echo "expected output changes not seen"
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tr '\r' '\n' < "${workFile1}" | sed 's/^ *$/d' | sort | uniq
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exit 1
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