tests/util/t_gzip.sh

   1 # $NetBSD$
   2 #
   3 # Copyright (c) 2008 The NetBSD Foundation, Inc.
   4 # All rights reserved.
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   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
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   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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  20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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  24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25 # POSSIBILITY OF SUCH DAMAGE.
  26 #
  27
  28 atf_test_case concatenated
  29 concatenated_head()
  30 {
  31         atf_set "descr" "Checks concatenated gzipped data"
  32 }
  33 concatenated_body()
  34 {
  35         echo -n "aaaa" | gzip > tmp.gz
  36         echo -n "bbbb" | gzip >> tmp.gz
  37
  38         atf_check -o inline:"aaaabbbb" gzip -d tmp.gz -c
  39 }
  40
  41 atf_test_case pipe
  42 pipe_head()
  43 {
  44         atf_set "descr" "Checks input from pipe"
  45 }
  46 pipe_body()
  47 {
  48         atf_check -x "dd if=/dev/zero count=102400 2>/dev/null \
  49 | gzip -c | dd bs=1 2>/dev/null | gzip -tc"
  50 }
  51
  52 atf_test_case truncated
  53 truncated_head()
  54 {
  55         atf_set "descr" "Checks that gzip fails on truncated data"
  56 }
  57 truncated_body()
  58 {
  59         cat >truncated.gz.uue <<EOF
  60 begin-base64 644 truncated.gz
  61 H4sIAAAAAAAAA0tMSk7hAgCspIpYCg==
  62 ====
  63 EOF
  64         uudecode -m truncated.gz.uue
  65
  66         atf_check -s ne:0 -e ignore gzip -d truncated.gz
  67 }
  68
  69 atf_test_case crcerror
  70 crcerror_head()
  71 {
  72         atf_set "descr" "Checks that gzip fails on crc error"
  73 }
  74 crcerror_body()
  75 {
  76         cat >crcerror.gz.uue <<EOF
  77 begin-base64 644 crcerror.gz
  78 H4sIAAAAAAAAA0tMSk7hAgCspFhYBQAAAA==
  79 ====
  80 EOF
  81         uudecode -m crcerror.gz.uue
  82
  83         atf_check -s ne:0 -e ignore gzip -d crcerror.gz
  84 }
  85
  86 atf_test_case good
  87 good_head()
  88 {
  89         atf_set "descr" "Checks decompressing correct file"
  90 }
  91 good_body()
  92 {
  93         cat >good.gz.uue <<EOF
  94 begin-base64 644 good.gz
  95 H4sICC8G8UAAA2FiY2QAS0xKTuECAKykilgFAAAA
  96 ====
  97 EOF
  98         uudecode -m good.gz.uue
  99
 100         atf_check gzip -d good.gz
 101 }
 102
 103 atf_init_test_cases()
 104 {
 105         atf_add_test_case concatenated
 106         atf_add_test_case pipe
 107         atf_add_test_case truncated
 108         atf_add_test_case crcerror
 109         atf_add_test_case good
 110 }