toybox/tests/gunzip.test
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   1#!/bin/bash
   2
   3[ -f testing.sh ] && . testing.sh
   4
   5#testing "name" "command" "result" "infile" "stdin"
   6
   7# Decompress files.
   8# On success, the input files are removed and replaced by new
   9# files without the .gz suffix.
  10echo -n "foo " | gzip > f1.gz
  11echo "bar" | gzip > f2.gz
  12testing "with input files" "gunzip f1.gz f2.gz && 
  13    ! test -f f1.gz && ! test -f f2.gz && 
  14    test -f f1 && test -f f2 && 
  15    cat f1 f2" "foo bar\n" "" ""
  16rm -f f1 f2 f1.gz f2.gz
  17
  18# With no files, decompresses stdin to stdout.
  19echo "hello world" | gzip > f.gz
  20testing "no files (stdin to stdout)" "cat f.gz | gunzip > f && 
  21    test -f f.gz && cat f" "hello world\n" "" ""
  22rm -f f f.gz
  23
  24# -c    Output to stdout
  25echo -n "foo " | gzip > f1.gz
  26echo "bar" | gzip > f2.gz
  27testing "with input files and -c" "gunzip -c f1.gz f2.gz > out && 
  28    test -f f1.gz && test -f f2.gz && 
  29    ! test -f f1 && ! test -f f2 && 
  30    cat out" "foo bar\n" "" ""
  31rm -f f1.gz f2.gz out
  32
  33# TODO: how to test "gunzip -f"?
  34
  35# -k    Keep input files (don't remove)
  36echo "hello world" | gzip > f1.gz
  37testing "-k" "gunzip -k f1.gz && cat f1 && zcat f1.gz" \
  38    "hello world\nhello world\n" "" ""
  39rm -f f1 f1.gz
  40
  41# Test that gunzip preserves permissions and times.
  42export TZ=UTC
  43echo "hello world" | gzip > f1.gz
  44chmod 0411 f1.gz
  45touch -a -t 197801020304 f1.gz
  46touch -m -t 198704030201 f1.gz
  47testing "permissions/times preservation" \
  48    "gunzip -k f1.gz && stat -c '%a %X %Y' f1 && stat -c '%a %Y' f1.gz" \
  49    "411 252558240 544413660\n411 544413660\n" "" ""
  50rm -f f1 f1.gz
  51