zstd/programs/playTests.sh
2016-05-10 05:56:09 +02:00

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#!/bin/sh -e
die() {
echo "$@" 1>&2
exit 1
}
roundTripTest() {
if [ -n "$3" ]; then
local c="$3"
local p="$2"
else
local c="$2"
fi
rm -f tmp1 tmp2
echo "roundTripTest: ./datagen $1 $p | $ZSTD -v$c | $ZSTD -d"
./datagen $1 $p | md5sum > tmp1
./datagen $1 $p | $ZSTD -vq$c | $ZSTD -d | md5sum > tmp2
diff -q tmp1 tmp2
}
[ -n "$ZSTD" ] || die "ZSTD variable must be defined!"
echo "\n**** simple tests **** "
./datagen > tmp
$ZSTD -f tmp # trivial compression case, creates tmp.zst
$ZSTD -df tmp.zst # trivial decompression case (overwrites tmp)
echo "test : too large compression level (must fail)"
$ZSTD -99 tmp && die "too large compression level undetected"
echo "test : compress to stdout"
$ZSTD tmp -c > tmpCompressed
$ZSTD tmp --stdout > tmpCompressed # long command format
echo "test : null-length file roundtrip"
echo -n '' | $ZSTD - --stdout | $ZSTD -d --stdout
echo "test : decompress file with wrong suffix (must fail)"
$ZSTD -d tmpCompressed && die "wrong suffix error not detected!"
$ZSTD -d tmpCompressed -c > tmpResult # decompression using stdout
$ZSTD --decompress tmpCompressed -c > tmpResult
$ZSTD --decompress tmpCompressed --stdout > tmpResult
$ZSTD -d < tmp.zst > /dev/null # combine decompression, stdin & stdout
$ZSTD -d - < tmp.zst > /dev/null
$ZSTD -dc < tmp.zst > /dev/null
$ZSTD -dc - < tmp.zst > /dev/null
$ZSTD -q tmp && die "overwrite check failed!"
$ZSTD -q -f tmp
$ZSTD -q --force tmp
$ZSTD -df tmp && die "should have refused : wrong extension"
cp tmp tmp2.zst
$ZSTD -df tmp2.zst && die "should have failed : wrong format"
rm tmp2.zst
echo "\n**** frame concatenation **** "
echo "hello " > hello.tmp
echo "world!" > world.tmp
cat hello.tmp world.tmp > helloworld.tmp
$ZSTD -c hello.tmp > hello.zstd
$ZSTD -c world.tmp > world.zstd
cat hello.zstd world.zstd > helloworld.zstd
$ZSTD -dc helloworld.zstd > result.tmp
cat result.tmp
sdiff helloworld.tmp result.tmp
rm ./*.tmp ./*.zstd
echo frame concatenation test completed
echo "\n**** flush write error test **** "
echo "echo foo | $ZSTD > /dev/full"
echo foo | $ZSTD > /dev/full && die "write error not detected!"
echo "echo foo | $ZSTD | $ZSTD -d > /dev/full"
echo foo | $ZSTD | $ZSTD -d > /dev/full && die "write error not detected!"
echo "\n**** dictionary tests **** "
./datagen > tmpDict
./datagen -g1M | md5sum > tmp1
./datagen -g1M | $ZSTD -D tmpDict | $ZSTD -D tmpDict -dvq | md5sum > tmp2
diff -q tmp1 tmp2
$ZSTD --train *.c *.h -o tmpDict
$ZSTD xxhash.c -D tmpDict -of tmp
$ZSTD -d tmp -D tmpDict -of result
diff xxhash.c result
echo "\n**** multiple files tests **** "
./datagen -s1 > tmp1 2> /dev/null
./datagen -s2 -g100K > tmp2 2> /dev/null
./datagen -s3 -g1M > tmp3 2> /dev/null
$ZSTD -f tmp*
echo "compress tmp* : "
ls -ls tmp*
rm tmp1 tmp2 tmp3
echo "decompress tmp* : "
$ZSTD -df *.zst
ls -ls tmp*
echo "compress tmp* into stdout > tmpall : "
$ZSTD -c tmp1 tmp2 tmp3 > tmpall
ls -ls tmp*
echo "decompress tmpall* into stdout > tmpdec : "
cp tmpall tmpall2
$ZSTD -dc tmpall* > tmpdec
ls -ls tmp*
echo "compress multiple files including a missing one (notHere) : "
$ZSTD -f tmp1 notHere tmp2 && die "missing file not detected!"
echo "\n**** integrity tests **** "
echo "test one file (tmp1.zst) "
$ZSTD -t tmp1.zst
$ZSTD --test tmp1.zst
echo "test multiple files (*.zst) "
$ZSTD -t *.zst
echo "test good and bad files (*) "
$ZSTD -t * && die "bad files not detected !"
echo "\n**** zstd round-trip tests **** "
roundTripTest
roundTripTest -g15K # TableID==3
roundTripTest -g127K # TableID==2
roundTripTest -g255K # TableID==1
roundTripTest -g513K # TableID==0
roundTripTest -g512K 6 # greedy, hash chain
roundTripTest -g512K 16 # btlazy2
roundTripTest -g512K 19 # btopt
rm tmp*
if [ "$1" != "--test-large-data" ]; then
echo "Skipping large data tests"
exit 0
fi
roundTripTest -g270000000 1
roundTripTest -g270000000 2
roundTripTest -g270000000 3
roundTripTest -g140000000 -P60 4
roundTripTest -g140000000 -P60 5
roundTripTest -g140000000 -P60 6
roundTripTest -g70000000 -P70 7
roundTripTest -g70000000 -P70 8
roundTripTest -g70000000 -P70 9
roundTripTest -g35000000 -P75 10
roundTripTest -g35000000 -P75 11
roundTripTest -g35000000 -P75 12
roundTripTest -g18000000 -P80 13
roundTripTest -g18000000 -P80 14
roundTripTest -g18000000 -P80 15
roundTripTest -g18000000 -P80 16
roundTripTest -g18000000 -P80 17
roundTripTest -g50000000 -P94 18
roundTripTest -g50000000 -P94 19
roundTripTest -g99000000 -P99 20
roundTripTest -g6000000000 -P99 1
rm tmp*