#!/usr/bin/perl -w
use strict; no strict 'vars';

########################################################################
# Configuration options.

# Your compiler
$compiler = './comp';

# Name of the log file.
$log = 'test-runs-log';

# Verbose log (includes output for succesful runs)?
$verbose = 0;

# List of tops of directory trees with tests.
$testdir = '../tests/';
$dirfile = $testdir.'dirs';

########################################################################


$me = `whoami`;
chomp($me);
$templog = '/tmp/' . $me . '-log';

system("rm -f $log");

if (! -x $compiler) {
  die ("Cannot execute \"$compiler\"");
}

$success = 0;
$failure = 0;

$| = 1;
open(TESTS, "find `cat $dirfile` -type f -name '*.p?'  2> /dev/null |") or die;
undef $/;
$_ = <TESTS>;
@test = split;
close(TESTS);

foreach $test (@test) {
  if (! -r $test) {
    print STDERR "Skipping unreadable test $test\n";
  }

  print STDERR "Doing test $test\n";
  system("echo Doing test $test >> $log");

  $test =~ m/^.*\.p([01])$/;
  $expected = $1;

  # Call the compiler; all output to $templog
  system("$compiler < $test 2> $templog > $templog");

  $exitval = $? >> 8;
  if ($exitval == $expected) {
    $success++;
    system("echo Succeeded >> $log");
    if ($verbose) {
      system("cat $templog >> $log");
    }
  } else {
    print "Failed test \"$test\" with exitcode $exitval \n";
    system("cat $templog >> $log");
    system("echo Failed test $test with exitcode $exitval >> $log");
    $failure++;
  }
}

open(RES, "| tee -a $log");
print RES "\n\n";
print RES "#tests: ", $success + $failure, "\n";
print RES "#successes: $success\n";
print RES "#failures: $failure\n";
printf RES "Success rate: %3.2f %%\n", (100 * $success / ($success + $failure));
close(RES);

exit ($failure == 0);