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-rw-r--r--src/third_party/zstandard-1.4.3/zstd/tests/playTests.sh1023
1 files changed, 1023 insertions, 0 deletions
diff --git a/src/third_party/zstandard-1.4.3/zstd/tests/playTests.sh b/src/third_party/zstandard-1.4.3/zstd/tests/playTests.sh
new file mode 100644
index 00000000000..69387321f92
--- /dev/null
+++ b/src/third_party/zstandard-1.4.3/zstd/tests/playTests.sh
@@ -0,0 +1,1023 @@
+#!/bin/sh
+
+set -e
+
+die() {
+ println "$@" 1>&2
+ exit 1
+}
+
+roundTripTest() {
+ if [ -n "$3" ]; then
+ cLevel="$3"
+ proba="$2"
+ else
+ cLevel="$2"
+ proba=""
+ fi
+ if [ -n "$4" ]; then
+ dLevel="$4"
+ else
+ dLevel="$cLevel"
+ fi
+
+ rm -f tmp1 tmp2
+ println "roundTripTest: ./datagen $1 $proba | $ZSTD -v$cLevel | $ZSTD -d$dLevel"
+ ./datagen $1 $proba | $MD5SUM > tmp1
+ ./datagen $1 $proba | $ZSTD --ultra -v$cLevel | $ZSTD -d$dLevel | $MD5SUM > tmp2
+ $DIFF -q tmp1 tmp2
+}
+
+fileRoundTripTest() {
+ if [ -n "$3" ]; then
+ local_c="$3"
+ local_p="$2"
+ else
+ local_c="$2"
+ local_p=""
+ fi
+ if [ -n "$4" ]; then
+ local_d="$4"
+ else
+ local_d="$local_c"
+ fi
+
+ rm -f tmp.zstd tmp.md5.1 tmp.md5.2
+ println "fileRoundTripTest: ./datagen $1 $local_p > tmp && $ZSTD -v$local_c -c tmp | $ZSTD -d$local_d"
+ ./datagen $1 $local_p > tmp
+ < tmp $MD5SUM > tmp.md5.1
+ $ZSTD --ultra -v$local_c -c tmp | $ZSTD -d$local_d | $MD5SUM > tmp.md5.2
+ $DIFF -q tmp.md5.1 tmp.md5.2
+}
+
+truncateLastByte() {
+ dd bs=1 count=$(($(wc -c < "$1") - 1)) if="$1"
+}
+
+println() {
+ printf '%b\n' "${*}"
+}
+
+
+SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
+PRGDIR="$SCRIPT_DIR/../programs"
+TESTDIR="$SCRIPT_DIR/../tests"
+UNAME=$(uname)
+
+isTerminal=false
+if [ -t 0 ] && [ -t 1 ]
+then
+ isTerminal=true
+fi
+
+isWindows=false
+INTOVOID="/dev/null"
+case "$UNAME" in
+ GNU) DEVDEVICE="/dev/random" ;;
+ *) DEVDEVICE="/dev/zero" ;;
+esac
+case "$OS" in
+ Windows*)
+ isWindows=true
+ INTOVOID="NUL"
+ DEVDEVICE="NUL"
+ ;;
+esac
+
+case "$UNAME" in
+ Darwin) MD5SUM="md5 -r" ;;
+ FreeBSD) MD5SUM="gmd5sum" ;;
+ OpenBSD) MD5SUM="md5" ;;
+ *) MD5SUM="md5sum" ;;
+esac
+
+DIFF="diff"
+case "$UNAME" in
+ SunOS) DIFF="gdiff" ;;
+esac
+
+println "\nStarting playTests.sh isWindows=$isWindows ZSTD='$ZSTD'"
+
+[ -n "$ZSTD" ] || die "ZSTD variable must be defined!"
+
+if echo hello | $ZSTD -v -T2 2>&1 > $INTOVOID | grep -q 'multi-threading is disabled'
+then
+ hasMT=""
+else
+ hasMT="true"
+fi
+
+
+
+println "\n===> simple tests "
+
+./datagen > tmp
+println "test : basic compression "
+$ZSTD -f tmp # trivial compression case, creates tmp.zst
+println "test : basic decompression"
+$ZSTD -df tmp.zst # trivial decompression case (overwrites tmp)
+println "test : too large compression level => auto-fix"
+$ZSTD -99 -f tmp # too large compression level, automatic sized down
+$ZSTD -5000000000 -f tmp && die "too large numeric value : must fail"
+println "test : --fast aka negative compression levels"
+$ZSTD --fast -f tmp # == -1
+$ZSTD --fast=3 -f tmp # == -3
+$ZSTD --fast=200000 -f tmp # too low compression level, automatic fixed
+$ZSTD --fast=5000000000 -f tmp && die "too large numeric value : must fail"
+$ZSTD -c --fast=0 tmp > $INTOVOID && die "--fast must not accept value 0"
+println "test : too large numeric argument"
+$ZSTD --fast=9999999999 -f tmp && die "should have refused numeric value"
+println "test : set compression level with environment variable ZSTD_CLEVEL"
+ZSTD_CLEVEL=12 $ZSTD -f tmp # positive compression level
+ZSTD_CLEVEL=-12 $ZSTD -f tmp # negative compression level
+ZSTD_CLEVEL=+12 $ZSTD -f tmp # valid: verbose '+' sign
+ZSTD_CLEVEL='' $ZSTD -f tmp # empty env var, warn and revert to default setting
+ZSTD_CLEVEL=- $ZSTD -f tmp # malformed env var, warn and revert to default setting
+ZSTD_CLEVEL=a $ZSTD -f tmp # malformed env var, warn and revert to default setting
+ZSTD_CLEVEL=+a $ZSTD -f tmp # malformed env var, warn and revert to default setting
+ZSTD_CLEVEL=3a7 $ZSTD -f tmp # malformed env var, warn and revert to default setting
+ZSTD_CLEVEL=50000000000 $ZSTD -f tmp # numeric value too large, warn and revert to default setting
+println "test : override ZSTD_CLEVEL with command line option"
+ZSTD_CLEVEL=12 $ZSTD --fast=3 -f tmp # overridden by command line option
+println "test : compress to stdout"
+$ZSTD tmp -c > tmpCompressed
+$ZSTD tmp --stdout > tmpCompressed # long command format
+println "test : compress to named file"
+rm tmpCompressed
+$ZSTD tmp -o tmpCompressed
+test -f tmpCompressed # file must be created
+println "test : -o must be followed by filename (must fail)"
+$ZSTD tmp -of tmpCompressed && die "-o must be followed by filename "
+println "test : force write, correct order"
+$ZSTD tmp -fo tmpCompressed
+println "test : forgotten argument"
+cp tmp tmp2
+$ZSTD tmp2 -fo && die "-o must be followed by filename "
+println "test : implied stdout when input is stdin"
+println bob | $ZSTD | $ZSTD -d
+if [ "$isTerminal" = true ]; then
+println "test : compressed data to terminal"
+println bob | $ZSTD && die "should have refused : compressed data to terminal"
+println "test : compressed data from terminal (a hang here is a test fail, zstd is wrongly waiting on data from terminal)"
+$ZSTD -d > $INTOVOID && die "should have refused : compressed data from terminal"
+fi
+println "test : null-length file roundtrip"
+println -n '' | $ZSTD - --stdout | $ZSTD -d --stdout
+println "test : ensure small file doesn't add 3-bytes null block"
+./datagen -g1 > tmp1
+$ZSTD tmp1 -c | wc -c | grep "14"
+$ZSTD < tmp1 | wc -c | grep "14"
+println "test : decompress file with wrong suffix (must fail)"
+$ZSTD -d tmpCompressed && die "wrong suffix error not detected!"
+$ZSTD -df tmp && die "should have refused : wrong extension"
+println "test : decompress into stdout"
+$ZSTD -d tmpCompressed -c > tmpResult # decompression using stdout
+$ZSTD --decompress tmpCompressed -c > tmpResult
+$ZSTD --decompress tmpCompressed --stdout > tmpResult
+println "test : decompress from stdin into stdout"
+$ZSTD -dc < tmp.zst > $INTOVOID # combine decompression, stdin & stdout
+$ZSTD -dc - < tmp.zst > $INTOVOID
+$ZSTD -d < tmp.zst > $INTOVOID # implicit stdout when stdin is used
+$ZSTD -d - < tmp.zst > $INTOVOID
+println "test : impose memory limitation (must fail)"
+$ZSTD -d -f tmp.zst -M2K -c > $INTOVOID && die "decompression needs more memory than allowed"
+$ZSTD -d -f tmp.zst --memlimit=2K -c > $INTOVOID && die "decompression needs more memory than allowed" # long command
+$ZSTD -d -f tmp.zst --memory=2K -c > $INTOVOID && die "decompression needs more memory than allowed" # long command
+$ZSTD -d -f tmp.zst --memlimit-decompress=2K -c > $INTOVOID && die "decompression needs more memory than allowed" # long command
+println "test : overwrite protection"
+$ZSTD -q tmp && die "overwrite check failed!"
+println "test : force overwrite"
+$ZSTD -q -f tmp
+$ZSTD -q --force tmp
+println "test : overwrite readonly file"
+rm -f tmpro tmpro.zst
+println foo > tmpro.zst
+println foo > tmpro
+chmod 400 tmpro.zst
+$ZSTD -q tmpro && die "should have refused to overwrite read-only file"
+$ZSTD -q -f tmpro
+println "test: --no-progress flag"
+$ZSTD tmpro -c --no-progress | $ZSTD -d -f -o "$INTOVOID" --no-progress
+$ZSTD tmpro -cv --no-progress | $ZSTD -dv -f -o "$INTOVOID" --no-progress
+rm -f tmpro tmpro.zst
+println "test: overwrite input file (must fail)"
+$ZSTD tmp -fo tmp && die "zstd compression overwrote the input file"
+$ZSTD tmp.zst -dfo tmp.zst && die "zstd decompression overwrote the input file"
+println "test: detect that input file does not exist"
+$ZSTD nothere && die "zstd hasn't detected that input file does not exist"
+println "test: --[no-]compress-literals"
+$ZSTD tmp -c --no-compress-literals -1 | $ZSTD -t
+$ZSTD tmp -c --no-compress-literals --fast=1 | $ZSTD -t
+$ZSTD tmp -c --no-compress-literals -19 | $ZSTD -t
+$ZSTD tmp -c --compress-literals -1 | $ZSTD -t
+$ZSTD tmp -c --compress-literals --fast=1 | $ZSTD -t
+$ZSTD tmp -c --compress-literals -19 | $ZSTD -t
+$ZSTD -b --fast=1 -i1e1 tmp --compress-literals
+$ZSTD -b --fast=1 -i1e1 tmp --no-compress-literals
+
+println "test : file removal"
+$ZSTD -f --rm tmp
+test ! -f tmp # tmp should no longer be present
+$ZSTD -f -d --rm tmp.zst
+test ! -f tmp.zst # tmp.zst should no longer be present
+println "test : should quietly not remove non-regular file"
+println hello > tmp
+$ZSTD tmp -f -o "$DEVDEVICE" 2>tmplog > "$INTOVOID"
+grep -v "Refusing to remove non-regular file" tmplog
+rm -f tmplog
+$ZSTD tmp -f -o "$INTOVOID" 2>&1 | grep -v "Refusing to remove non-regular file"
+println "test : --rm on stdin"
+println a | $ZSTD --rm > $INTOVOID # --rm should remain silent
+rm tmp
+$ZSTD -f tmp && die "tmp not present : should have failed"
+test ! -f tmp.zst # tmp.zst should not be created
+println "test : -d -f do not delete destination when source is not present"
+touch tmp # create destination file
+$ZSTD -d -f tmp.zst && die "attempt to decompress a non existing file"
+test -f tmp # destination file should still be present
+println "test : -f do not delete destination when source is not present"
+rm tmp # erase source file
+touch tmp.zst # create destination file
+$ZSTD -f tmp && die "attempt to compress a non existing file"
+test -f tmp.zst # destination file should still be present
+rm tmp*
+
+
+println "test : compress multiple files"
+println hello > tmp1
+println world > tmp2
+$ZSTD tmp1 tmp2 -o "$INTOVOID" -f
+$ZSTD tmp1 tmp2 -c | $ZSTD -t
+$ZSTD tmp1 tmp2 -o tmp.zst
+test ! -f tmp1.zst
+test ! -f tmp2.zst
+$ZSTD tmp1 tmp2
+$ZSTD -t tmp1.zst tmp2.zst
+$ZSTD -dc tmp1.zst tmp2.zst
+$ZSTD tmp1.zst tmp2.zst -o "$INTOVOID" -f
+$ZSTD -d tmp1.zst tmp2.zst -o tmp
+touch tmpexists
+$ZSTD tmp1 tmp2 -f -o tmpexists
+$ZSTD tmp1 tmp2 -o tmpexists && die "should have refused to overwrite"
+# Bug: PR #972
+if [ "$?" -eq 139 ]; then
+ die "should not have segfaulted"
+fi
+rm tmp*
+
+
+println "\n===> Advanced compression parameters "
+println "Hello world!" | $ZSTD --zstd=windowLog=21, - -o tmp.zst && die "wrong parameters not detected!"
+println "Hello world!" | $ZSTD --zstd=windowLo=21 - -o tmp.zst && die "wrong parameters not detected!"
+println "Hello world!" | $ZSTD --zstd=windowLog=21,slog - -o tmp.zst && die "wrong parameters not detected!"
+println "Hello world!" | $ZSTD --zstd=strategy=10 - -o tmp.zst && die "parameter out of bound not detected!" # > btultra2 : does not exist
+test ! -f tmp.zst # tmp.zst should not be created
+roundTripTest -g512K
+roundTripTest -g512K " --zstd=mml=3,tlen=48,strat=6"
+roundTripTest -g512K " --zstd=strat=6,wlog=23,clog=23,hlog=22,slog=6"
+roundTripTest -g512K " --zstd=windowLog=23,chainLog=23,hashLog=22,searchLog=6,minMatch=3,targetLength=48,strategy=6"
+roundTripTest -g512K " --single-thread --long --zstd=ldmHashLog=20,ldmMinMatch=64,ldmBucketSizeLog=1,ldmHashRateLog=7"
+roundTripTest -g512K " --single-thread --long --zstd=lhlog=20,lmml=64,lblog=1,lhrlog=7"
+roundTripTest -g64K "19 --zstd=strat=9" # btultra2
+
+
+println "\n===> Pass-Through mode "
+println "Hello world 1!" | $ZSTD -df
+println "Hello world 2!" | $ZSTD -dcf
+println "Hello world 3!" > tmp1
+$ZSTD -dcf tmp1
+
+
+println "\n===> frame concatenation "
+
+println "hello " > hello.tmp
+println "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
+$ZSTD -dc helloworld.zstd > result.tmp
+cat result.tmp
+$DIFF helloworld.tmp result.tmp
+println "frame concatenation without checksum"
+$ZSTD -c hello.tmp > hello.zstd --no-check
+$ZSTD -c world.tmp > world.zstd --no-check
+cat hello.zstd world.zstd > helloworld.zstd
+$ZSTD -dc helloworld.zstd > result.tmp
+$DIFF helloworld.tmp result.tmp
+println "testing zstdcat symlink"
+ln -sf $ZSTD zstdcat
+./zstdcat helloworld.zstd > result.tmp
+$DIFF helloworld.tmp result.tmp
+ln -s helloworld.zstd helloworld.link.zstd
+./zstdcat helloworld.link.zstd > result.tmp
+$DIFF helloworld.tmp result.tmp
+rm zstdcat
+rm result.tmp
+println "testing zcat symlink"
+ln -sf $ZSTD zcat
+./zcat helloworld.zstd > result.tmp
+$DIFF helloworld.tmp result.tmp
+./zcat helloworld.link.zstd > result.tmp
+$DIFF helloworld.tmp result.tmp
+rm zcat
+rm ./*.tmp ./*.zstd
+println "frame concatenation tests completed"
+
+
+if [ "$isWindows" = false ] && [ "$UNAME" != 'SunOS' ] && [ "$UNAME" != "OpenBSD" ] ; then
+println "\n**** flush write error test **** "
+
+println "println foo | $ZSTD > /dev/full"
+println foo | $ZSTD > /dev/full && die "write error not detected!"
+println "println foo | $ZSTD | $ZSTD -d > /dev/full"
+println foo | $ZSTD | $ZSTD -d > /dev/full && die "write error not detected!"
+
+fi
+
+
+if [ "$isWindows" = false ] && [ "$UNAME" != 'SunOS' ] ; then
+
+println "\n===> symbolic link test "
+
+rm -f hello.tmp world.tmp world2.tmp hello.tmp.zst world.tmp.zst
+println "hello world" > hello.tmp
+ln -s hello.tmp world.tmp
+ln -s hello.tmp world2.tmp
+$ZSTD world.tmp hello.tmp || true
+test -f hello.tmp.zst # regular file should have been compressed!
+test ! -f world.tmp.zst # symbolic link should not have been compressed!
+$ZSTD world.tmp || true
+test ! -f world.tmp.zst # symbolic link should not have been compressed!
+$ZSTD world.tmp world2.tmp || true
+test ! -f world.tmp.zst # symbolic link should not have been compressed!
+test ! -f world2.tmp.zst # symbolic link should not have been compressed!
+$ZSTD world.tmp hello.tmp -f
+test -f world.tmp.zst # symbolic link should have been compressed with --force
+rm -f hello.tmp world.tmp world2.tmp hello.tmp.zst world.tmp.zst
+
+fi
+
+
+println "\n===> test sparse file support "
+
+./datagen -g5M -P100 > tmpSparse
+$ZSTD tmpSparse -c | $ZSTD -dv -o tmpSparseRegen
+$DIFF -s tmpSparse tmpSparseRegen
+$ZSTD tmpSparse -c | $ZSTD -dv --sparse -c > tmpOutSparse
+$DIFF -s tmpSparse tmpOutSparse
+$ZSTD tmpSparse -c | $ZSTD -dv --no-sparse -c > tmpOutNoSparse
+$DIFF -s tmpSparse tmpOutNoSparse
+ls -ls tmpSparse* # look at file size and block size on disk
+./datagen -s1 -g1200007 -P100 | $ZSTD | $ZSTD -dv --sparse -c > tmpSparseOdd # Odd size file (to not finish on an exact nb of blocks)
+./datagen -s1 -g1200007 -P100 | $DIFF -s - tmpSparseOdd
+ls -ls tmpSparseOdd # look at file size and block size on disk
+println "\n Sparse Compatibility with Console :"
+println "Hello World 1 !" | $ZSTD | $ZSTD -d -c
+println "Hello World 2 !" | $ZSTD | $ZSTD -d | cat
+println "\n Sparse Compatibility with Append :"
+./datagen -P100 -g1M > tmpSparse1M
+cat tmpSparse1M tmpSparse1M > tmpSparse2M
+$ZSTD -v -f tmpSparse1M -o tmpSparseCompressed
+$ZSTD -d -v -f tmpSparseCompressed -o tmpSparseRegenerated
+$ZSTD -d -v -f tmpSparseCompressed -c >> tmpSparseRegenerated
+ls -ls tmpSparse* # look at file size and block size on disk
+$DIFF tmpSparse2M tmpSparseRegenerated
+rm tmpSparse*
+
+
+println "\n===> multiple files tests "
+
+./datagen -s1 > tmp1 2> $INTOVOID
+./datagen -s2 -g100K > tmp2 2> $INTOVOID
+./datagen -s3 -g1M > tmp3 2> $INTOVOID
+println "compress tmp* : "
+$ZSTD -f tmp*
+ls -ls tmp*
+rm tmp1 tmp2 tmp3
+println "decompress tmp* : "
+$ZSTD -df ./*.zst
+ls -ls tmp*
+println "compress tmp* into stdout > tmpall : "
+$ZSTD -c tmp1 tmp2 tmp3 > tmpall
+ls -ls tmp* # check size of tmpall (should be tmp1.zst + tmp2.zst + tmp3.zst)
+println "decompress tmpall* into stdout > tmpdec : "
+cp tmpall tmpall2
+$ZSTD -dc tmpall* > tmpdec
+ls -ls tmp* # check size of tmpdec (should be 2*(tmp1 + tmp2 + tmp3))
+println "compress multiple files including a missing one (notHere) : "
+$ZSTD -f tmp1 notHere tmp2 && die "missing file not detected!"
+
+
+println "\n===> dictionary tests "
+
+println "- test with raw dict (content only) "
+./datagen > tmpDict
+./datagen -g1M | $MD5SUM > tmp1
+./datagen -g1M | $ZSTD -D tmpDict | $ZSTD -D tmpDict -dvq | $MD5SUM > tmp2
+$DIFF -q tmp1 tmp2
+println "- Create first dictionary "
+TESTFILE="$PRGDIR"/zstdcli.c
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict
+cp "$TESTFILE" tmp
+println "- Test dictionary compression with tmpDict as an input file and dictionary"
+$ZSTD -f tmpDict -D tmpDict && die "compression error not detected!"
+println "- Dictionary compression roundtrip"
+$ZSTD -f tmp -D tmpDict
+$ZSTD -d tmp.zst -D tmpDict -fo result
+$DIFF "$TESTFILE" result
+println "- Dictionary compression with btlazy2 strategy"
+$ZSTD -f tmp -D tmpDict --zstd=strategy=6
+$ZSTD -d tmp.zst -D tmpDict -fo result
+$DIFF "$TESTFILE" result
+if [ -n "$hasMT" ]
+then
+ println "- Test dictionary compression with multithreading "
+ ./datagen -g5M | $ZSTD -T2 -D tmpDict | $ZSTD -t -D tmpDict # fails with v1.3.2
+fi
+println "- Create second (different) dictionary "
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c "$PRGDIR"/*.h -o tmpDictC
+$ZSTD -d tmp.zst -D tmpDictC -fo result && die "wrong dictionary not detected!"
+println "- Create dictionary with short dictID"
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID=1 -o tmpDict1
+cmp tmpDict tmpDict1 && die "dictionaries should have different ID !"
+println "- Create dictionary with wrong dictID parameter order (must fail)"
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID -o 1 tmpDict1 && die "wrong order : --dictID must be followed by argument "
+println "- Create dictionary with size limit"
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict2 --maxdict=4K -v
+println "- Create dictionary with small size limit"
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict3 --maxdict=1K -v
+println "- Create dictionary with wrong parameter order (must fail)"
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict3 --maxdict -v 4K && die "wrong order : --maxdict must be followed by argument "
+println "- Compress without dictID"
+$ZSTD -f tmp -D tmpDict1 --no-dictID
+$ZSTD -d tmp.zst -D tmpDict -fo result
+$DIFF "$TESTFILE" result
+println "- Compress with wrong argument order (must fail)"
+$ZSTD tmp -Df tmpDict1 -c > $INTOVOID && die "-D must be followed by dictionary name "
+println "- Compress multiple files with dictionary"
+rm -rf dirTestDict
+mkdir dirTestDict
+cp "$TESTDIR"/*.c dirTestDict
+cp "$PRGDIR"/*.c dirTestDict
+cp "$PRGDIR"/*.h dirTestDict
+$MD5SUM dirTestDict/* > tmph1
+$ZSTD -f --rm dirTestDict/* -D tmpDictC
+$ZSTD -d --rm dirTestDict/*.zst -D tmpDictC # note : use internal checksum by default
+case "$UNAME" in
+ Darwin) println "md5sum -c not supported on OS-X : test skipped" ;; # not compatible with OS-X's md5
+ *) $MD5SUM -c tmph1 ;;
+esac
+rm -rf dirTestDict
+println "- dictionary builder on bogus input"
+println "Hello World" > tmp
+$ZSTD --train-legacy -q tmp && die "Dictionary training should fail : not enough input source"
+./datagen -P0 -g10M > tmp
+$ZSTD --train-legacy -q tmp && die "Dictionary training should fail : source is pure noise"
+println "- Test -o before --train"
+rm -f tmpDict dictionary
+$ZSTD -o tmpDict --train "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f tmpDict
+$ZSTD --train "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f dictionary
+rm tmp* dictionary
+
+
+println "\n===> fastCover dictionary builder : advanced options "
+TESTFILE="$PRGDIR"/zstdcli.c
+./datagen > tmpDict
+println "- Create first dictionary"
+$ZSTD --train-fastcover=k=46,d=8,f=15,split=80 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict
+cp "$TESTFILE" tmp
+$ZSTD -f tmp -D tmpDict
+$ZSTD -d tmp.zst -D tmpDict -fo result
+$DIFF "$TESTFILE" result
+println "- Create second (different) dictionary"
+$ZSTD --train-fastcover=k=56,d=8 "$TESTDIR"/*.c "$PRGDIR"/*.c "$PRGDIR"/*.h -o tmpDictC
+$ZSTD -d tmp.zst -D tmpDictC -fo result && die "wrong dictionary not detected!"
+$ZSTD --train-fastcover=k=56,d=8 && die "Create dictionary without input file"
+println "- Create dictionary with short dictID"
+$ZSTD --train-fastcover=k=46,d=8,f=15,split=80 "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID=1 -o tmpDict1
+cmp tmpDict tmpDict1 && die "dictionaries should have different ID !"
+println "- Create dictionaries with shrink-dict flag enabled"
+$ZSTD --train-fastcover=steps=256,shrink "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpShrinkDict
+$ZSTD --train-fastcover=steps=256,shrink=1 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpShrinkDict1
+$ZSTD --train-fastcover=steps=256,shrink=5 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpShrinkDict2
+println "- Create dictionary with size limit"
+$ZSTD --train-fastcover=steps=8 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict2 --maxdict=4K
+println "- Compare size of dictionary from 90% training samples with 80% training samples"
+$ZSTD --train-fastcover=split=90 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+$ZSTD --train-fastcover=split=80 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+println "- Create dictionary using all samples for both training and testing"
+$ZSTD --train-fastcover=split=100 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+println "- Create dictionary using f=16"
+$ZSTD --train-fastcover=f=16 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+$ZSTD --train-fastcover=accel=15 -r "$TESTDIR"/*.c "$PRGDIR"/*.c && die "Created dictionary using accel=15"
+println "- Create dictionary using accel=2"
+$ZSTD --train-fastcover=accel=2 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+println "- Create dictionary using accel=10"
+$ZSTD --train-fastcover=accel=10 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+println "- Create dictionary with multithreading"
+$ZSTD --train-fastcover -T4 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+println "- Test -o before --train-fastcover"
+rm -f tmpDict dictionary
+$ZSTD -o tmpDict --train-fastcover "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f tmpDict
+$ZSTD --train-fastcover "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f dictionary
+rm tmp* dictionary
+
+
+println "\n===> legacy dictionary builder "
+
+TESTFILE="$PRGDIR"/zstdcli.c
+./datagen > tmpDict
+println "- Create first dictionary"
+$ZSTD --train-legacy=selectivity=8 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict
+cp "$TESTFILE" tmp
+$ZSTD -f tmp -D tmpDict
+$ZSTD -d tmp.zst -D tmpDict -fo result
+$DIFF "$TESTFILE" result
+$ZSTD --train-legacy=s=8 && die "Create dictionary without input files (should error)"
+println "- Create second (different) dictionary"
+$ZSTD --train-legacy=s=5 "$TESTDIR"/*.c "$PRGDIR"/*.c "$PRGDIR"/*.h -o tmpDictC
+$ZSTD -d tmp.zst -D tmpDictC -fo result && die "wrong dictionary not detected!"
+println "- Create dictionary with short dictID"
+$ZSTD --train-legacy -s5 "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID=1 -o tmpDict1
+cmp tmpDict tmpDict1 && die "dictionaries should have different ID !"
+println "- Create dictionary with size limit"
+$ZSTD --train-legacy -s9 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict2 --maxdict=4K
+println "- Test -o before --train-legacy"
+rm -f tmpDict dictionary
+$ZSTD -o tmpDict --train-legacy "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f tmpDict
+$ZSTD --train-legacy "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f dictionary
+rm tmp* dictionary
+
+
+println "\n===> integrity tests "
+
+println "test one file (tmp1.zst) "
+./datagen > tmp1
+$ZSTD tmp1
+$ZSTD -t tmp1.zst
+$ZSTD --test tmp1.zst
+println "test multiple files (*.zst) "
+$ZSTD -t ./*.zst
+println "test bad files (*) "
+$ZSTD -t ./* && die "bad files not detected !"
+$ZSTD -t tmp1 && die "bad file not detected !"
+cp tmp1 tmp2.zst
+$ZSTD -t tmp2.zst && die "bad file not detected !"
+./datagen -g0 > tmp3
+$ZSTD -t tmp3 && die "bad file not detected !" # detects 0-sized files as bad
+println "test --rm and --test combined "
+$ZSTD -t --rm tmp1.zst
+test -f tmp1.zst # check file is still present
+split -b16384 tmp1.zst tmpSplit.
+$ZSTD -t tmpSplit.* && die "bad file not detected !"
+./datagen | $ZSTD -c | $ZSTD -t
+
+
+
+println "\n===> golden files tests "
+
+$ZSTD -t -r "$TESTDIR/files"
+$ZSTD -c -r "$TESTDIR/files" | $ZSTD -t
+
+
+println "\n===> benchmark mode tests "
+
+println "bench one file"
+./datagen > tmp1
+$ZSTD -bi0 tmp1
+println "bench multiple levels"
+$ZSTD -i0b0e3 tmp1
+println "bench negative level"
+$ZSTD -bi0 --fast tmp1
+println "with recursive and quiet modes"
+$ZSTD -rqi1b1e2 tmp1
+println "benchmark decompression only"
+$ZSTD -f tmp1
+$ZSTD -b -d -i1 tmp1.zst
+
+println "\n===> zstd compatibility tests "
+
+./datagen > tmp
+rm -f tmp.zst
+$ZSTD --format=zstd -f tmp
+test -f tmp.zst
+
+println "\n===> gzip compatibility tests "
+
+GZIPMODE=1
+$ZSTD --format=gzip -V || GZIPMODE=0
+if [ $GZIPMODE -eq 1 ]; then
+ println "gzip support detected"
+ GZIPEXE=1
+ gzip -V || GZIPEXE=0
+ if [ $GZIPEXE -eq 1 ]; then
+ ./datagen > tmp
+ $ZSTD --format=gzip -f tmp
+ gzip -t -v tmp.gz
+ gzip -f tmp
+ $ZSTD -d -f -v tmp.gz
+ rm tmp*
+ else
+ println "gzip binary not detected"
+ fi
+else
+ println "gzip mode not supported"
+fi
+
+
+println "\n===> gzip frame tests "
+
+if [ $GZIPMODE -eq 1 ]; then
+ ./datagen > tmp
+ $ZSTD -f --format=gzip tmp
+ $ZSTD -f tmp
+ cat tmp.gz tmp.zst tmp.gz tmp.zst | $ZSTD -d -f -o tmp
+ truncateLastByte tmp.gz | $ZSTD -t > $INTOVOID && die "incomplete frame not detected !"
+ rm tmp*
+else
+ println "gzip mode not supported"
+fi
+
+if [ $GZIPMODE -eq 1 ]; then
+ ./datagen > tmp
+ rm -f tmp.zst
+ $ZSTD --format=gzip --format=zstd -f tmp
+ test -f tmp.zst
+fi
+
+println "\n===> xz compatibility tests "
+
+LZMAMODE=1
+$ZSTD --format=xz -V || LZMAMODE=0
+if [ $LZMAMODE -eq 1 ]; then
+ println "xz support detected"
+ XZEXE=1
+ xz -Q -V && lzma -Q -V || XZEXE=0
+ if [ $XZEXE -eq 1 ]; then
+ println "Testing zstd xz and lzma support"
+ ./datagen > tmp
+ $ZSTD --format=lzma -f tmp
+ $ZSTD --format=xz -f tmp
+ xz -Q -t -v tmp.xz
+ xz -Q -t -v tmp.lzma
+ xz -Q -f -k tmp
+ lzma -Q -f -k --lzma1 tmp
+ $ZSTD -d -f -v tmp.xz
+ $ZSTD -d -f -v tmp.lzma
+ rm tmp*
+ println "Creating symlinks"
+ ln -s $ZSTD ./xz
+ ln -s $ZSTD ./unxz
+ ln -s $ZSTD ./lzma
+ ln -s $ZSTD ./unlzma
+ println "Testing xz and lzma symlinks"
+ ./datagen > tmp
+ ./xz tmp
+ xz -Q -d tmp.xz
+ ./lzma tmp
+ lzma -Q -d tmp.lzma
+ println "Testing unxz and unlzma symlinks"
+ xz -Q tmp
+ ./xz -d tmp.xz
+ lzma -Q tmp
+ ./lzma -d tmp.lzma
+ rm xz unxz lzma unlzma
+ rm tmp*
+ else
+ println "xz binary not detected"
+ fi
+else
+ println "xz mode not supported"
+fi
+
+
+println "\n===> xz frame tests "
+
+if [ $LZMAMODE -eq 1 ]; then
+ ./datagen > tmp
+ $ZSTD -f --format=xz tmp
+ $ZSTD -f --format=lzma tmp
+ $ZSTD -f tmp
+ cat tmp.xz tmp.lzma tmp.zst tmp.lzma tmp.xz tmp.zst | $ZSTD -d -f -o tmp
+ truncateLastByte tmp.xz | $ZSTD -t > $INTOVOID && die "incomplete frame not detected !"
+ truncateLastByte tmp.lzma | $ZSTD -t > $INTOVOID && die "incomplete frame not detected !"
+ rm tmp*
+else
+ println "xz mode not supported"
+fi
+
+println "\n===> lz4 compatibility tests "
+
+LZ4MODE=1
+$ZSTD --format=lz4 -V || LZ4MODE=0
+if [ $LZ4MODE -eq 1 ]; then
+ println "lz4 support detected"
+ LZ4EXE=1
+ lz4 -V || LZ4EXE=0
+ if [ $LZ4EXE -eq 1 ]; then
+ ./datagen > tmp
+ $ZSTD --format=lz4 -f tmp
+ lz4 -t -v tmp.lz4
+ lz4 -f tmp
+ $ZSTD -d -f -v tmp.lz4
+ rm tmp*
+ else
+ println "lz4 binary not detected"
+ fi
+else
+ println "lz4 mode not supported"
+fi
+
+
+println "\n===> lz4 frame tests "
+
+if [ $LZ4MODE -eq 1 ]; then
+ ./datagen > tmp
+ $ZSTD -f --format=lz4 tmp
+ $ZSTD -f tmp
+ cat tmp.lz4 tmp.zst tmp.lz4 tmp.zst | $ZSTD -d -f -o tmp
+ truncateLastByte tmp.lz4 | $ZSTD -t > $INTOVOID && die "incomplete frame not detected !"
+ rm tmp*
+else
+ println "lz4 mode not supported"
+fi
+
+println "\n===> suffix list test"
+
+! $ZSTD -d tmp.abc 2> tmplg
+
+if [ $GZIPMODE -ne 1 ]; then
+ grep ".gz" tmplg > $INTOVOID && die "Unsupported suffix listed"
+fi
+
+if [ $LZMAMODE -ne 1 ]; then
+ grep ".lzma" tmplg > $INTOVOID && die "Unsupported suffix listed"
+ grep ".xz" tmplg > $INTOVOID && die "Unsupported suffix listed"
+fi
+
+if [ $LZ4MODE -ne 1 ]; then
+ grep ".lz4" tmplg > $INTOVOID && die "Unsupported suffix listed"
+fi
+
+println "\n===> zstd round-trip tests "
+
+roundTripTest
+roundTripTest -g15K # TableID==3
+roundTripTest -g127K # TableID==2
+roundTripTest -g255K # TableID==1
+roundTripTest -g522K # TableID==0
+roundTripTest -g519K 6 # greedy, hash chain
+roundTripTest -g517K 16 # btlazy2
+roundTripTest -g516K 19 # btopt
+
+fileRoundTripTest -g500K
+
+println "\n===> zstd long distance matching round-trip tests "
+roundTripTest -g0 "2 --single-thread --long"
+roundTripTest -g1000K "1 --single-thread --long"
+roundTripTest -g517K "6 --single-thread --long"
+roundTripTest -g516K "16 --single-thread --long"
+roundTripTest -g518K "19 --single-thread --long"
+fileRoundTripTest -g5M "3 --single-thread --long"
+
+
+roundTripTest -g96K "5 --single-thread"
+if [ -n "$hasMT" ]
+then
+ println "\n===> zstdmt round-trip tests "
+ roundTripTest -g4M "1 -T0"
+ roundTripTest -g8M "3 -T2"
+ roundTripTest -g8000K "2 --threads=2"
+ fileRoundTripTest -g4M "19 -T2 -B1M"
+
+ println "\n===> zstdmt long distance matching round-trip tests "
+ roundTripTest -g8M "3 --long=24 -T2"
+
+ println "\n===> ovLog tests "
+ ./datagen -g2MB > tmp
+ refSize=$($ZSTD tmp -6 -c --zstd=wlog=18 | wc -c)
+ ov9Size=$($ZSTD tmp -6 -c --zstd=wlog=18,ovlog=9 | wc -c)
+ ov1Size=$($ZSTD tmp -6 -c --zstd=wlog=18,ovlog=1 | wc -c)
+ if [ "$refSize" -eq "$ov9Size" ]; then
+ echo ov9Size should be different from refSize
+ exit 1
+ fi
+ if [ "$refSize" -eq "$ov1Size" ]; then
+ echo ov1Size should be different from refSize
+ exit 1
+ fi
+ if [ "$ov9Size" -ge "$ov1Size" ]; then
+ echo ov9Size="$ov9Size" should be smaller than ov1Size="$ov1Size"
+ exit 1
+ fi
+
+else
+ println "\n===> no multithreading, skipping zstdmt tests "
+fi
+
+rm tmp*
+
+println "\n===> zstd --list/-l single frame tests "
+./datagen > tmp1
+./datagen > tmp2
+./datagen > tmp3
+$ZSTD tmp*
+$ZSTD -l ./*.zst
+$ZSTD -lv ./*.zst | grep "Decompressed Size:" # check that decompressed size is present in header
+$ZSTD --list ./*.zst
+$ZSTD --list -v ./*.zst
+
+println "\n===> zstd --list/-l multiple frame tests "
+cat tmp1.zst tmp2.zst > tmp12.zst
+cat tmp12.zst tmp3.zst > tmp123.zst
+$ZSTD -l ./*.zst
+$ZSTD -lv ./*.zst
+
+println "\n===> zstd --list/-l error detection tests "
+$ZSTD -l tmp1 tmp1.zst && die "-l must fail on non-zstd file"
+$ZSTD --list tmp* && die "-l must fail on non-zstd file"
+$ZSTD -lv tmp1* && die "-l must fail on non-zstd file"
+$ZSTD --list -v tmp2 tmp12.zst && die "-l must fail on non-zstd file"
+
+println "test : detect truncated compressed file "
+TEST_DATA_FILE=truncatable-input.txt
+FULL_COMPRESSED_FILE=${TEST_DATA_FILE}.zst
+TRUNCATED_COMPRESSED_FILE=truncated-input.txt.zst
+./datagen -g50000 > $TEST_DATA_FILE
+$ZSTD -f $TEST_DATA_FILE -o $FULL_COMPRESSED_FILE
+dd bs=1 count=100 if=$FULL_COMPRESSED_FILE of=$TRUNCATED_COMPRESSED_FILE
+$ZSTD --list $TRUNCATED_COMPRESSED_FILE && die "-l must fail on truncated file"
+
+rm $TEST_DATA_FILE
+rm $FULL_COMPRESSED_FILE
+rm $TRUNCATED_COMPRESSED_FILE
+
+println "\n===> zstd --list/-l errors when presented with stdin / no files"
+$ZSTD -l && die "-l must fail on empty list of files"
+$ZSTD -l - && die "-l does not work on stdin"
+$ZSTD -l < tmp1.zst && die "-l does not work on stdin"
+$ZSTD -l - < tmp1.zst && die "-l does not work on stdin"
+$ZSTD -l - tmp1.zst && die "-l does not work on stdin"
+$ZSTD -l - tmp1.zst < tmp1.zst && die "-l does not work on stdin"
+$ZSTD -l tmp1.zst < tmp2.zst # this will check tmp1.zst, but not tmp2.zst, which is not an error : zstd simply doesn't read stdin in this case. It must not error just because stdin is not a tty
+
+println "\n===> zstd --list/-l test with null files "
+./datagen -g0 > tmp5
+$ZSTD tmp5
+$ZSTD -l tmp5.zst
+$ZSTD -l tmp5* && die "-l must fail on non-zstd file"
+$ZSTD -lv tmp5.zst | grep "Decompressed Size: 0.00 KB (0 B)" # check that 0 size is present in header
+$ZSTD -lv tmp5* && die "-l must fail on non-zstd file"
+
+println "\n===> zstd --list/-l test with no content size field "
+./datagen -g513K | $ZSTD > tmp6.zst
+$ZSTD -l tmp6.zst
+$ZSTD -lv tmp6.zst | grep "Decompressed Size:" && die "Field :Decompressed Size: should not be available in this compressed file"
+
+println "\n===> zstd --list/-l test with no checksum "
+$ZSTD -f --no-check tmp1
+$ZSTD -l tmp1.zst
+$ZSTD -lv tmp1.zst
+
+rm tmp*
+
+
+println "\n===> zstd long distance matching tests "
+roundTripTest -g0 " --single-thread --long"
+roundTripTest -g9M "2 --single-thread --long"
+# Test parameter parsing
+roundTripTest -g1M -P50 "1 --single-thread --long=29" " --memory=512MB"
+roundTripTest -g1M -P50 "1 --single-thread --long=29 --zstd=wlog=28" " --memory=256MB"
+roundTripTest -g1M -P50 "1 --single-thread --long=29" " --long=28 --memory=512MB"
+roundTripTest -g1M -P50 "1 --single-thread --long=29" " --zstd=wlog=28 --memory=512MB"
+
+
+if [ -n "$hasMT" ]
+then
+ println "\n===> adaptive mode "
+ roundTripTest -g270000000 " --adapt"
+ roundTripTest -g27000000 " --adapt=min=1,max=4"
+ println "===> test: --adapt must fail on incoherent bounds "
+ ./datagen > tmp
+ $ZSTD -f -vv --adapt=min=10,max=9 tmp && die "--adapt must fail on incoherent bounds"
+
+ println "\n===> rsyncable mode "
+ roundTripTest -g10M " --rsyncable"
+ roundTripTest -g10M " --rsyncable -B100K"
+ println "===> test: --rsyncable must fail with --single-thread"
+ $ZSTD -f -vv --rsyncable --single-thread tmp && die "--rsyncable must fail with --single-thread"
+fi
+
+
+if [ "$1" != "--test-large-data" ]; then
+ println "Skipping large data tests"
+ exit 0
+fi
+
+
+#############################################################################
+
+println "\n===> large files tests "
+
+roundTripTest -g270000000 1
+roundTripTest -g250000000 2
+roundTripTest -g230000000 3
+
+roundTripTest -g140000000 -P60 4
+roundTripTest -g130000000 -P62 5
+roundTripTest -g120000000 -P65 6
+
+roundTripTest -g70000000 -P70 7
+roundTripTest -g60000000 -P71 8
+roundTripTest -g50000000 -P73 9
+
+roundTripTest -g35000000 -P75 10
+roundTripTest -g30000000 -P76 11
+roundTripTest -g25000000 -P78 12
+
+roundTripTest -g18000013 -P80 13
+roundTripTest -g18000014 -P80 14
+roundTripTest -g18000015 -P81 15
+roundTripTest -g18000016 -P84 16
+roundTripTest -g18000017 -P88 17
+roundTripTest -g18000018 -P94 18
+roundTripTest -g18000019 -P96 19
+
+roundTripTest -g5000000000 -P99 1
+roundTripTest -g1700000000 -P0 "1 --zstd=strategy=6" # ensure btlazy2 can survive an overflow rescale
+
+fileRoundTripTest -g4193M -P99 1
+
+
+println "\n===> zstd long, long distance matching round-trip tests "
+roundTripTest -g270000000 "1 --single-thread --long"
+roundTripTest -g130000000 -P60 "5 --single-thread --long"
+roundTripTest -g35000000 -P70 "8 --single-thread --long"
+roundTripTest -g18000001 -P80 "18 --single-thread --long"
+# Test large window logs
+roundTripTest -g700M -P50 "1 --single-thread --long=29"
+roundTripTest -g600M -P50 "1 --single-thread --long --zstd=wlog=29,clog=28"
+
+
+if [ -n "$hasMT" ]
+then
+ println "\n===> zstdmt long round-trip tests "
+ roundTripTest -g80000000 -P99 "19 -T2" " "
+ roundTripTest -g5000000000 -P99 "1 -T2" " "
+ roundTripTest -g500000000 -P97 "1 -T999" " "
+ fileRoundTripTest -g4103M -P98 " -T0" " "
+ roundTripTest -g400000000 -P97 "1 --long=24 -T2" " "
+ # Exposes the bug in https://github.com/facebook/zstd/pull/1678
+ # This test fails on 4 different travis builds at the time of writing
+ # because it needs to allocate 8 GB of memory.
+ # roundTripTest -g10G -P99 "1 -T1 --long=31 --zstd=clog=27 --fast=1000"
+else
+ println "\n**** no multithreading, skipping zstdmt tests **** "
+fi
+
+
+println "\n===> cover dictionary builder : advanced options "
+
+TESTFILE="$PRGDIR"/zstdcli.c
+./datagen > tmpDict
+println "- Create first dictionary"
+$ZSTD --train-cover=k=46,d=8,split=80 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict
+cp "$TESTFILE" tmp
+$ZSTD -f tmp -D tmpDict
+$ZSTD -d tmp.zst -D tmpDict -fo result
+$DIFF "$TESTFILE" result
+$ZSTD --train-cover=k=56,d=8 && die "Create dictionary without input file (should error)"
+println "- Create second (different) dictionary"
+$ZSTD --train-cover=k=56,d=8 "$TESTDIR"/*.c "$PRGDIR"/*.c "$PRGDIR"/*.h -o tmpDictC
+$ZSTD -d tmp.zst -D tmpDictC -fo result && die "wrong dictionary not detected!"
+println "- Create dictionary using shrink-dict flag"
+$ZSTD --train-cover=steps=256,shrink "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID=1 -o tmpShrinkDict
+$ZSTD --train-cover=steps=256,shrink=1 "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID=1 -o tmpShrinkDict1
+$ZSTD --train-cover=steps=256,shrink=5 "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID=1 -o tmpShrinkDict2
+println "- Create dictionary with short dictID"
+$ZSTD --train-cover=k=46,d=8,split=80 "$TESTDIR"/*.c "$PRGDIR"/*.c --dictID=1 -o tmpDict1
+cmp tmpDict tmpDict1 && die "dictionaries should have different ID !"
+println "- Create dictionary with size limit"
+$ZSTD --train-cover=steps=8 "$TESTDIR"/*.c "$PRGDIR"/*.c -o tmpDict2 --maxdict=4K
+println "- Compare size of dictionary from 90% training samples with 80% training samples"
+$ZSTD --train-cover=split=90 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+$ZSTD --train-cover=split=80 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+println "- Create dictionary using all samples for both training and testing"
+$ZSTD --train-cover=split=100 -r "$TESTDIR"/*.c "$PRGDIR"/*.c
+println "- Test -o before --train-cover"
+rm -f tmpDict dictionary
+$ZSTD -o tmpDict --train-cover "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f tmpDict
+$ZSTD --train-cover "$TESTDIR"/*.c "$PRGDIR"/*.c
+test -f dictionary
+rm -f tmp* dictionary
+
+
+rm -f tmp*