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#!/bin/sh
#
# Try repeatedly messaging a transfer process, and make sure the data stays
# intact.
# Allow all tests to be skipped, e.g. during a release build
test "${SKIP_ALL_TESTS}" = "1" && exit 77
true "${testSubject:?not set - call this from 'make check'}"
true "${workFile1:?not set - call this from 'make check'}"
true "${workFile2:?not set - call this from 'make check'}"
true "${workFile3:?not set - call this from 'make check'}"
true "${workFile4:?not set - call this from 'make check'}"
# Do nothing if it is not supported.
if ! "${testSubject}" -h 2>/dev/null | grep -Eq "^ -R,"; then
echo "Not supported on this platform"
exit 77
fi
# Generate 10MiB of data.
dd if=/dev/urandom of="${workFile1}" bs=1024 count=10240 2>/dev/null
# Run a few remote control commands in the background.
#
echo FAIL > "${workFile3}"
true > "${workFile4}"
(
set +e
# Don't start doing anything until the main transfer process, started below, has begun.
while test -e "${workFile4}" && ! test -s "${workFile4}"; do sleep 0.1; done
sleep 2
for loopCount in 1 2 3; do
"${testSubject}" -R "$(cat "${workFile4}")" -apterb || exit 1
(usleep 200000 || sleep 1) 2>/dev/null
"${testSubject}" -R "$(cat "${workFile4}")" -p || exit 1
(usleep 200000 || sleep 1) 2>/dev/null
"${testSubject}" -R "$(cat "${workFile4}")" -N "test" || exit 1
(usleep 200000 || sleep 1) 2>/dev/null
"${testSubject}" -R "$(cat "${workFile4}")" -F "%e" || exit 1
(usleep 200000 || sleep 1) 2>/dev/null
"${testSubject}" -R "$(cat "${workFile4}")" -x "window:%b" || exit 1
(usleep 200000 || sleep 1) 2>/dev/null
"${testSubject}" -R "$(cat "${workFile4}")" -N "." || exit 1
(usleep 200000 || sleep 1) 2>/dev/null
echo "${loopCount}" >/dev/null # dummy for shellcheck
done
"${testSubject}" -R "$(cat "${workFile4}")" -L 10M
echo OK > "${workFile3}"
) &
# Run our data transfer.
"${testSubject}" -L 100k -i 0.1 -f -P "${workFile4}" "${workFile1}" > "${workFile2}" 2>/dev/null
# Check our remote control calls ran OK.
backgroundStatus=$(cat "${workFile3}")
if ! test "${backgroundStatus}" = "OK"; then
echo "remote control calls failed"
exit 1
fi
# Check data integrity.
inputChecksum=$(cksum "${workFile1}" | awk '{print $1}')
outputChecksum=$(cksum "${workFile2}" | awk '{print $1}')
if ! test "${inputChecksum}" = "${outputChecksum}"; then
echo "input and output checksums differ"
exit 1
fi
exit 0
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