tests/crossparse-c-random.sh

   1 #!/bin/sh
   2 #
   3 # Copyright © 2012 Nick Bowler
   4 #
   5 # Randomized tests that libcdecl can parse its own output.
   6 #
   7 # License WTFPL2: Do What The Fuck You Want To Public License, version 2.
   8 # This is free software: you are free to do what the fuck you want to.
   9 # There is NO WARRANTY, to the extent permitted by law.
  10
  11 : "${RANDOMSEED=$RANDOM}" "${TESTITER=500}"
  12
  13 randomdecl=test/randomdecl$EXEEXT
  14 crossparse=test/crossparse$EXEEXT
  15 test -x $randomdecl || exit 77
  16
  17 proc() {
  18         result=pass
  19         count=0
  20
  21         while read decl
  22         do
  23                 count=`expr $count + 1`
  24                 $crossparse "$decl" || { result=fail
  25                         printf 'original input: %s\n' "$decl" 1>&2
  26                         break
  27                         }
  28         done
  29
  30         echo "result=$result"
  31         echo "count=$count"
  32 }
  33
  34 printf '%s: randomized test using RANDOMSEED=%d\n' "$0" "$RANDOMSEED"
  35
  36 eval_cmd=`exec 3>&1
  37         { $randomdecl -s "$RANDOMSEED" -n "$TESTITER" 3>&-
  38                 echo gen_status=$? >&3
  39         } | proc >&3`
  40 eval "$eval_cmd"
  41
  42 expected_count=`expr "$TESTITER" + 0`
  43 if test x"$count" != x"$expected_count"; then
  44         printf '%s: failed after %d successful tests (out of %d)\n' \
  45                 "$0" "$count" "$expected_count" 1>&2
  46         exit 1
  47 fi
  48
  49 test x"$result" = x"pass" && test x"$gen_status" = x"0" && exit 0
  50 exit 1