grep ".lz4" tmplg > $INTOVOID && die "Unsupported suffix listed"
fi
+println "\n===> tar extension tests "
+
+rm -f tmp tmp.tar tmp.tzst tmp.tgz tmp.txz tmp.tlz4
+
+./datagen > tmp
+tar cf tmp.tar tmp
+$ZSTD tmp.tar -o tmp.tzst
+rm tmp.tar
+$ZSTD -d tmp.tzst
+[ -e tmp.tar ] || die ".tzst failed to decompress to .tar!"
+rm -f tmp.tar tmp.tzst
+
+if [ $GZIPMODE -eq 1 ]; then
+ tar czf tmp.tgz tmp
+ $ZSTD -d tmp.tgz
+ [ -e tmp.tar ] || die ".tgz failed to decompress to .tar!"
+ rm -f tmp.tar tmp.tgz
+fi
+
+if [ $LZMAMODE -eq 1 ]; then
+ tar c tmp | xz > tmp.txz
+ $ZSTD -d tmp.txz
+ [ -e tmp.tar ] || die ".txz failed to decompress to .tar!"
+ rm -f tmp.tar tmp.txz
+fi
+
+if [ $LZ4MODE -eq 1 ]; then
+ tar c tmp | lz4 > tmp.tlz4
+ $ZSTD -d tmp.tlz4
+ [ -e tmp.tar ] || die ".tlz4 failed to decompress to .tar!"
+ rm -f tmp.tar tmp.tlz4
+fi
+
+touch tmp.t tmp.tz tmp.tzs
+! $ZSTD -d tmp.t
+! $ZSTD -d tmp.tz
+! $ZSTD -d tmp.tzs
+
+exit
+
println "\n===> zstd round-trip tests "
roundTripTest