#! /bin/bash

failed=0
all=0

env_program () {
  if [ -x ./"$1" ] ; then
    if ./"$1"; then : ; else
      echo FAIL: $1
      exit 1
    fi
  fi
}

test_program () {
  if "./$1" ; then
    echo PASS: ${1%-test}
  else
    echo FAIL: ${1%-test}
    failed=`expr $failed + 1`
  fi
  all=`expr $all + 1`
}

env_program setup-env

if [ $# -eq 0 ] ; then
  for f in *-test; do test_program "$f"; done
else
  for f in "$@" ; do test_program "$f"; done
fi

if [ $failed -eq 0 ] ; then
  banner="All $all tests passed"
else
  banner="$failed of $all tests failed"
fi
dashes=`echo "$banner" | sed s/./=/g`
echo "$dashes"
echo "$banner"
echo "$dashes"

env_program teardown-env

[ "$failed" -eq 0 ]