1 files changed, 49 insertions, 0 deletions
diff --git a/tests/test-lz4-multiple-legacy.sh b/tests/test-lz4-multiple-legacy.sh
new file mode 100755
index 0000000..da3896d
--- /dev/null
+++ b/tests/test-lz4-multiple-legacy.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+FPREFIX="tmp-lml"
+
+set -e
+
+remove () {
+    rm $FPREFIX*
+}
+
+trap remove EXIT
+
+set -x
+
+datagen -s1        > "${FPREFIX}1" 2> $FPREFIX-trash
+datagen -s2 -g100K > "${FPREFIX}2" 2> $FPREFIX-trash
+datagen -s3 -g200K > "${FPREFIX}3" 2> $FPREFIX-trash
+# compress multiple files using legacy format: one .lz4 per source file
+lz4 -f -l -m $FPREFIX*
+test -f ${FPREFIX}1.lz4
+test -f ${FPREFIX}2.lz4
+test -f ${FPREFIX}3.lz4
+# decompress multiple files compressed using legacy format: one output file per .lz4
+mv ${FPREFIX}1 ${FPREFIX}1-orig
+mv ${FPREFIX}2 ${FPREFIX}2-orig
+mv ${FPREFIX}3 ${FPREFIX}3-orig
+lz4 -d -f -m $FPREFIX*.lz4
+lz4 -l -d -f -m $FPREFIX*.lz4 # -l mustn't impact -d option
+cmp ${FPREFIX}1 ${FPREFIX}1-orig   # must be identical
+cmp ${FPREFIX}2 ${FPREFIX}2-orig
+cmp ${FPREFIX}3 ${FPREFIX}3-orig
+# compress multiple files into stdout using legacy format
+cat ${FPREFIX}1.lz4 ${FPREFIX}2.lz4 ${FPREFIX}3.lz4 > $FPREFIX-concat1
+rm $FPREFIX*.lz4
+lz4 -l -m ${FPREFIX}1 ${FPREFIX}2 ${FPREFIX}3 -c > $FPREFIX-concat2
+test ! -f ${FPREFIX}1.lz4  # must not create .lz4 artefact
+cmp $FPREFIX-concat1 $FPREFIX-concat2  # must be equivalent
+# # # decompress multiple files into stdout using legacy format
+rm $FPREFIX-concat1 $FPREFIX-concat2
+lz4 -l -f -m ${FPREFIX}1 ${FPREFIX}2 ${FPREFIX}3   # generate .lz4 to decompress
+cat ${FPREFIX}1 ${FPREFIX}2 ${FPREFIX}3 > ${FPREFIX}-concat1   # create concatenated reference
+rm ${FPREFIX}1 ${FPREFIX}2 ${FPREFIX}3
+lz4 -d -m ${FPREFIX}1.lz4 ${FPREFIX}2.lz4 ${FPREFIX}3.lz4 -c > $FPREFIX-concat2
+lz4 -d -l -m ${FPREFIX}1.lz4 ${FPREFIX}2.lz4 ${FPREFIX}3.lz4 -c > $FPREFIX-concat2 # -l mustn't impact option -d
+test ! -f ${FPREFIX}1  # must not create file artefact
+cmp $FPREFIX-concat1 $FPREFIX-concat2  # must be equivalent
+# # # compress multiple files, one of which is absent (must fail)
+lz4 -f -l -m $FPREFIX-concat1 notHere-legacy $FPREFIX-concat2 && exit 1 # must fail : notHere-legacy not present
+true