tests/test_compress.sh

   1 #!/bin/sh
   2
   3 ###############################################################################
   4 #
   5 # Author: Lasse Collin
   6 #
   7 # This file has been put into the public domain.
   8 # You can do whatever you want with this file.
   9 #
  10 ###############################################################################
  11
  12 # If xz wasn't built, this test is skipped.
  13 if test -x ../src/xz/xz ; then
  14         :
  15 else
  16         (exit 77)
  17         exit 77
  18 fi
  19
  20 # Find out if our shell supports functions.
  21 eval 'unset foo ; foo() { return 42; } ; foo'
  22 if test $? != 42 ; then
  23         echo "/bin/sh doesn't support functions, skipping this test."
  24         (exit 77)
  25         exit 77
  26 fi
  27
  28 test_xz() {
  29         if $XZ -c "$@" "$FILE" > tmp_compressed; then
  30                 :
  31         else
  32                 echo "Compressing failed: $* $FILE"
  33                 (exit 1)
  34                 exit 1
  35         fi
  36
  37         if $XZ -cd tmp_compressed > tmp_uncompressed ; then
  38                 :
  39         else
  40                 echo "Decompressing failed: $* $FILE"
  41                 (exit 1)
  42                 exit 1
  43         fi
  44
  45         if cmp tmp_uncompressed "$FILE" ; then
  46                 :
  47         else
  48                 echo "Decompressed file does not match" \
  49                                 "the original: $* $FILE"
  50                 (exit 1)
  51                 exit 1
  52         fi
  53
  54         if test -n "$XZDEC" ; then
  55                 if $XZDEC tmp_compressed > tmp_uncompressed ; then
  56                         :
  57                 else
  58                         echo "Decompressing failed: $* $FILE"
  59                         (exit 1)
  60                         exit 1
  61                 fi
  62
  63                 if cmp tmp_uncompressed "$FILE" ; then
  64                         :
  65                 else
  66                         echo "Decompressed file does not match" \
  67                                         "the original: $* $FILE"
  68                         (exit 1)
  69                         exit 1
  70                 fi
  71         fi
  72
  73         # Show progress:
  74         echo . | tr -d '\n\r'
  75 }
  76
  77 XZ="../src/xz/xz --memlimit-compress=48MiB --memlimit-decompress=5MiB \
  78                 --no-adjust --threads=1 --check=crc64"
  79 XZDEC="../src/xzdec/xzdec" # No memory usage limiter available
  80 test -x ../src/xzdec/xzdec || XZDEC=
  81
  82 # Create the required input files.
  83 if ./create_compress_files ; then
  84         :
  85 else
  86         rm -f compress_*
  87         echo "Failed to create files to test compression."
  88         (exit 1)
  89         exit 1
  90 fi
  91
  92 # Remove temporary now (in case they are something weird), and on exit.
  93 rm -f tmp_compressed tmp_uncompressed
  94 trap 'rm -f tmp_compressed tmp_uncompressed' 0
  95
  96 # Compress and decompress each file with various filter configurations.
  97 # This takes quite a bit of time.
  98 echo "test_compress.sh:"
  99 for FILE in compress_generated_* "$srcdir"/compress_prepared_*
 100 do
 101         MSG=`echo "x$FILE" | sed 's,^x,,; s,^.*/,,; s,^compress_,,'`
 102         echo "  $MSG" | tr -d '\n\r'
 103
 104         # Don't test with empty arguments; it breaks some ancient
 105         # proprietary /bin/sh versions due to $@ used in test_xz().
 106         test_xz -1
 107         test_xz -2
 108         test_xz -3
 109         test_xz -4
 110
 111         # Disabled until Subblock format is stable.
 112 #               --subblock \
 113 #               --subblock=size=1 \
 114 #               --subblock=size=1,rle=1 \
 115 #               --subblock=size=1,rle=4 \
 116 #               --subblock=size=4,rle=4 \
 117 #               --subblock=size=8,rle=4 \
 118 #               --subblock=size=8,rle=8 \
 119 #               --subblock=size=4096,rle=12 \
 120 #
 121         for ARGS in \
 122                 --delta=dist=1 \
 123                 --delta=dist=4 \
 124                 --delta=dist=256 \
 125                 --x86 \
 126                 --powerpc \
 127                 --ia64 \
 128                 --arm \
 129                 --armthumb \
 130                 --sparc
 131         do
 132                 test_xz $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
 133
 134                 # Disabled until Subblock format is stable.
 135                 # test_xz --subblock $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
 136         done
 137
 138         echo
 139 done
 140
 141 (exit 0)
 142 exit 0