xref: /aosp_15_r20/external/lz4/tests/test-lz4-basic.sh (revision 27162e4e17433d5aa7cb38e7b6a433a09405fc7f)
1#!/bin/sh
2
3FPREFIX="tmp-tlb"
4
5set -e
6
7remove () {
8    rm -rf $FPREFIX*
9}
10
11trap remove EXIT
12
13set -x
14
15datagen -g0       | lz4 -v     | lz4 -t
16datagen -g16KB    | lz4 -9     | lz4 -t
17datagen -g20KB > $FPREFIX-dg20k
18lz4 < $FPREFIX-dg20k | lz4 -d > $FPREFIX-dec
19diff -q $FPREFIX-dg20k $FPREFIX-dec
20lz4 --no-frame-crc < $FPREFIX-dg20k | lz4 -d > $FPREFIX-dec
21diff -q $FPREFIX-dg20k $FPREFIX-dec
22datagen           | lz4 -BI    | lz4 -t
23datagen           | lz4 --no-crc | lz4 -t
24datagen -g6M -P99 | lz4 -9BD   | lz4 -t
25datagen -g17M     | lz4 -9v    | lz4 -qt
26datagen -g33M     | lz4 --no-frame-crc | lz4 -t
27datagen -g256MB   | lz4 -vqB4D | lz4 -t --no-crc
28echo "hello world" > $FPREFIX-hw
29lz4 --rm -f $FPREFIX-hw $FPREFIX-hw.lz4
30test ! -f $FPREFIX-hw                   # must fail (--rm)
31test   -f $FPREFIX-hw.lz4
32lz4 -d --rm -f $FPREFIX-hw.lz4
33test ! -f $FPREFIX-hw.lz4
34lz4 --rm -f $FPREFIX-hw > /dev/null
35test   -f $FPREFIX-hw.lz4               # no more implicit stdout
36lz4cat $FPREFIX-hw.lz4 | grep "hello world"
37unlz4 --rm $FPREFIX-hw.lz4 $FPREFIX-hw
38test   -f $FPREFIX-hw
39test ! -f $FPREFIX-hw.lz4               # must fail (--rm)
40test ! -f $FPREFIX-hw.lz4.lz4           # must fail (unlz4)
41lz4cat $FPREFIX-hw                      # pass-through mode
42test   -f $FPREFIX-hw
43test ! -f $FPREFIX-hw.lz4               # must fail (lz4cat)
44lz4 $FPREFIX-hw $FPREFIX-hw.lz4         # creates $FPREFIX-hw.lz4
45lz4cat < $FPREFIX-hw.lz4 > ${FPREFIX}3  # checks lz4cat works with stdin (#285)
46diff -q $FPREFIX-hw ${FPREFIX}3
47lz4cat < $FPREFIX-hw > ${FPREFIX}2      # checks lz4cat works in pass-through mode
48diff -q $FPREFIX-hw ${FPREFIX}2
49cp $FPREFIX-hw ./-d
50lz4 --rm -- -d -d.lz4                   # compresses ./d into ./-d.lz4
51test   -f ./-d.lz4
52test ! -f ./-d
53mv ./-d.lz4 ./-z
54lz4 -d --rm -- -z ${FPREFIX}4           # uncompresses ./-z into $FPREFIX4
55test ! -f ./-z
56diff -q $FPREFIX-hw ${FPREFIX}4
57lz4 ${FPREFIX}2 ${FPREFIX}3 ${FPREFIX}4 && exit 1  # must fail: refuse to handle 3+ file names
58mkdir -p ${FPREFIX}-dir
59lz4 ${FPREFIX}-dir && exit 1          # must fail: refuse to compress directory
60test ! -f ${FPREFIX}-dir.lz4          # must not create artifact (#1211)
61lz4 -f $FPREFIX-hw                    # create $FPREFIX-hw.lz4, for next tests
62lz4 --list $FPREFIX-hw.lz4            # test --list on valid single-frame file
63lz4 --list < $FPREFIX-hw.lz4          # test --list from stdin (file only)
64cat $FPREFIX-hw >> $FPREFIX-hw.lz4
65lz4 -f $FPREFIX-hw.lz4 && exit 1      # uncompress valid frame followed by invalid data (must fail now)
66lz4 -BX $FPREFIX-hw -c -q | lz4 -tv   # test block checksum
67# datagen -g20KB generates the same file every single time
68# cannot save output of datagen -g20KB as input file to lz4 because the following shell commands are run before datagen -g20KB
69test "$(datagen -g20KB | lz4 -c --fast | wc -c)" -lt "$(datagen -g20KB | lz4 -c --fast=9 | wc -c)" # -1 vs -9
70test "$(datagen -g20KB | lz4 -c -1 | wc -c)" -lt "$(datagen -g20KB| lz4 -c --fast=1 | wc -c)" # 1 vs -1
71test "$(datagen -g20KB | lz4 -c --fast=1 | wc -c)" -eq "$(datagen -g20KB| lz4 -c --fast| wc -c)" # checks default fast compression is -1
72lz4 -c --fast=0 $FPREFIX-dg20K && exit 1  # lz4 should fail when fast=0
73lz4 -c --fast=-1 $FPREFIX-dg20K && exit 1 # lz4 should fail when fast=-1
74# Multithreading commands
75datagen -g16M | lz4 -T2 | lz4 -t
76datagen -g16M | lz4 --threads=2 | lz4 -t
77# High --fast values can result in out-of-bound dereferences #876
78datagen -g1M | lz4 -c --fast=999999999 > $FPREFIX-trash
79# Test for #596
80echo "TEST" > $FPREFIX-test
81lz4 -m $FPREFIX-test
82lz4 $FPREFIX-test.lz4 $FPREFIX-test2
83diff -q $FPREFIX-test $FPREFIX-test2
84# bug #1374
85datagen -g4194302 | lz4 -B4 -c > $FPREFIX-test3
86