aosp12/external/toybox/tests/gunzip.test

58 lines
1.7 KiB
Bash

#!/bin/bash
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
# Decompress files.
# On success, the input files are removed and replaced by new
# files without the .gz suffix.
echo -n "foo " | gzip > f1.gz
echo "bar" | gzip > f2.gz
testing "with input files" "gunzip f1.gz f2.gz &&
! test -f f1.gz && ! test -f f2.gz &&
test -f f1 && test -f f2 &&
cat f1 f2" "foo bar\n" "" ""
rm -f f1 f2 f1.gz f2.gz
# With no files, decompresses stdin to stdout.
echo "hello world" | gzip > f.gz
testing "no files (stdin to stdout)" "cat f.gz | gunzip > f &&
test -f f.gz && cat f" "hello world\n" "" ""
rm -f f f.gz
# test FEXTRA support
echo "1f8b08040000000000ff04000000ffff4bcbcfe70200a865327e04000000" | xxd -r -p > f1.gz
testing "FEXTRA flag skipped properly" "gunzip f1.gz &&
! test -f f1.gz && test -f f1 &&
cat f1" "foo\n" "" ""
rm -f f1 f1.gz
# -c Output to stdout
echo -n "foo " | gzip > f1.gz
echo "bar" | gzip > f2.gz
testing "with input files and -c" "gunzip -c f1.gz f2.gz > out &&
test -f f1.gz && test -f f2.gz &&
! test -f f1 && ! test -f f2 &&
cat out" "foo bar\n" "" ""
rm -f f1.gz f2.gz out
# TODO: how to test "gunzip -f"?
# -k Keep input files (don't remove)
echo "hello world" | gzip > f1.gz
testing "-k" "gunzip -k f1.gz && cat f1 && zcat f1.gz" \
"hello world\nhello world\n" "" ""
rm -f f1 f1.gz
# Test that gunzip preserves permissions and times.
export TZ=UTC
echo "hello world" | gzip > f1.gz
chmod 0411 f1.gz
touch -a -t 197801020304 f1.gz
touch -m -t 198704030201 f1.gz
testing "permissions/times preservation" \
"gunzip -k f1.gz && stat -c '%a %X %Y' f1 && stat -c '%a %Y' f1.gz" \
"411 252558240 544413660\n411 544413660\n" "" ""
rm -f f1 f1.gz