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pv/tests/Display_-_--eta_-_plausible_values.test
T

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#!/bin/sh
#
# Check that the estimated time counter counts.
# 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 "${workFile1:?not set - call this from 'make check'}"
dd if=/dev/zero bs=100 count=1 2>/dev/null \
| "${testSubject}" -f -e -s 100 -i 0.1 -L 25 >/dev/null 2>"${workFile1}"
# Count the number of different ETA values there have been.
#
valueCount=$(tr '\r' '\n' < "${workFile1}" | tr -d ' ' | sed '/^$/d' | sort | uniq | wc -l | tr -dc '0-9')
# 3 or less - not OK, since it should have taken 4 seconds.
#
if ! test "${valueCount}" -gt 3; then
echo "fewer than 4 ETA values seen"
tr '\r' '\n' < "${workFile1}" | sed '/^ *$/d' | sort | uniq
exit 1
fi
# 12 or more - not OK, since even on a heavily loaded system that's too long.
#
if ! test "${valueCount}" -lt 12; then
echo "more than 11 ETA values seen"
tr '\r' '\n' < "${workFile1}" | sed '/^ *$/d' | sort | uniq
exit 1
fi
exit 0