#!/usr/bin/perl -w

$join = 'join';
$join = '/usr/bin/join';
$join = './join';
$test = 0;
$| = 1;

print ":\n$join --version\nerrors=0\n";
$expected = '';
$flags = '';
$f1 = '';
$f2 = '';

while (<>)
  {
    next if (/^\s*#/ || /^\s+$/);

    $test++;
    chop;
    $prog = '($test_name, $flags,$f1,$f2,$expected,$e_ret_code) = ' . $_ . ';';
    eval $prog;
    if (defined ($seen{$test_name}))
      {
	die "$0: $.: duplicate test name \`$test_name'\n";
      }
    $seen{$test_name} = 1;
    $in1 = "t$test_name.1";
    $in2 = "t$test_name.2";
    $log = "t$test_name.log";
    $exp_name = 't' . $test_name . '.exp';
    $out = "t$test_name.out";

    open(IN, ">$in1") || die "Couldn't open $in1 for writing.\n";
    print IN $f1;
    close(IN);
    open(IN, ">$in2") || die "Couldn't open $in2 for writing.\n";
    print IN $f2;
    close(IN);
    open(EXP, ">$exp_name")
	|| die "Couldn't open $exp_name for writing.\n";
    print EXP $expected;
    close(EXP);
    $cmd = "$join $flags $in1 $in2 > $out";
    print <<EOF ;
$cmd 2> $log
code=\$?
fail=yes
if test \$code != $e_ret_code ; then
  err_msg="Test $test_name failed: join return code \$code differs from expected value $e_ret_code"
else
  cmp $out $exp_name >> $log 2>&1
  case \$? in
    0) # equal files
       if test "\$verbose" ; then
	 echo passed $test_name
       fi
       fail=no
       ;;
    1) err_msg="Test $test_name failed: files $out and $exp_name differ"
       ;;
    2) err_msg="Test $test_name may have failed.
echo The command \"cmp $out $exp_name\" failed."
       ;;
  esac
fi
if test \$fail = yes; then
  errors=`expr \$errors + 1`
  echo "Failing command: $cmd" >> $log
  echo "\$err_msg" >> $log
fi
test -s $log || rm -f $log
EOF
  }
print <<EOF2 ;
if test \$errors -gt 0 ; then
  echo "Failed \$errors tests." 1>&2
else
  echo 'Passed all tests.' 1>&2
fi
EOF2