sh/tests/expansion/arith2.0

   1 # $FreeBSD: head/bin/sh/tests/expansion/arith2.0 209652 2010-07-02 21:31:24Z jilles $
   2
   3 failures=0
   4
   5 check() {
   6         if [ $(($1)) != $2 ]; then
   7                 failures=$((failures+1))
   8                 echo "For $1, expected $2 actual $(($1))"
   9         fi
  10 }
  11
  12 # variables
  13 unset v
  14 check "v=2" 2
  15 check "v" 2
  16 check "$(($v))" 2
  17 check "v+=1" 3
  18 check "v" 3
  19
  20 # constants
  21 check "4611686018427387904" 4611686018427387904
  22 check "0x4000000000000000" 4611686018427387904
  23 check "0400000000000000000000" 4611686018427387904
  24 check "0x4Ab0000000000000" 5381801554707742720
  25 check "010" 8
  26
  27 # try out all operators
  28 v=42
  29 check "!v" 0
  30 check "!!v" 1
  31 check "!0" 1
  32 check "~0" -1
  33 check "~(-1)" 0
  34 check "-0" 0
  35 check "-v" -42
  36 check "v*v" 1764
  37 check "v/2" 21
  38 check "v%10" 2
  39 check "v+v" 84
  40 check "v-4" 38
  41 check "v<<1" 84
  42 check "v>>1" 21
  43 check "v<43" 1
  44 check "v>42" 0
  45 check "v<=43" 1
  46 check "v>=43" 0
  47 check "v==41" 0
  48 check "v!=42" 0
  49 check "v&3" 2
  50 check "v^3" 41
  51 check "v|3" 43
  52 check "v>=40&&v<=44" 1
  53 check "v<40||v>44" 0
  54 check "(v=42)&&(v+=1)==43" 1
  55 check "v" 43
  56 check "(v=42)&&(v-=1)==41" 1
  57 check "v" 41
  58 check "(v=42)&&(v*=2)==84" 1
  59 check "v" 84
  60 check "(v=42)&&(v/=10)==4" 1
  61 check "v" 4
  62 check "(v=42)&&(v%=10)==2" 1
  63 check "v" 2
  64 check "(v=42)&&(v<<=1)==84" 1
  65 check "v" 84
  66 check "(v=42)&&(v>>=2)==10" 1
  67 check "v" 10
  68 check "(v=42)&&(v&=32)==32" 1
  69 check "v" 32
  70 check "(v=42)&&(v^=32)==10" 1
  71 check "v" 10
  72 check "(v=42)&&(v|=32)==42" 1
  73 check "v" 42
  74
  75 # missing: ternary
  76
  77 exit $((failures != 0))