#!/usr/bin/perl -w

# Controlling script for xfpt tests

$xfpt = "../src/xfpt -S ../share";
$cf = (-f "/usr/local/bin/cf")? "cf" : "diff";

$force_update = 0;
$starttest = undef;
$endtest = undef;
$started = 0;

$cmd_options = "";
while (defined $ARGV[0] && $ARGV[0] =~ /^-/)
  {
  my($arg) = shift @ARGV;
  $cmd_options .= "$arg ";
  } 

if (defined $ARGV[0])
  {
  $starttest = $endtest = $ARGV[0];
  $endtest = $ARGV[1] if defined $ARGV[1];
  $endtest = undef if $endtest eq "+"; 
  }   
  
opendir(DIR, "./infiles") || die "Failed to opendir ./infiles: $!\n";
@files = sort(readdir(DIR));
closedir(DIR);

while (scalar @files > 0)
  {
  my($copy) = 0;
  my($file) = shift @files;
  my($options) = $cmd_options; 

  # Skip . and .. and also skip any file ending in .opt because that
  # contains options for any given test, and any file ending in .inc
  # because that is an included file. 
    
  next if $file =~ /^\.\.?$|\.opt$|\.inc$/;
  
  next if !$started && defined $starttest && $file !~ /^$starttest/;
  $started = 1; 
  
  $options .= `cat infiles/$file.opt` if -e "infiles/$file.opt";
  chomp $options; 
  
  my ($rc) = system("$xfpt $options -o test.xml infiles/$file " .
                    "2> test.err");

#  if (($rc >> 8) != 0)
#    {
#    printf("Test $file RC = 0x%x\n", $rc);
#    system("more test.err"); 
#    exit 1;
#    }
    
  # Compare stderr output
    
  if (! -z "test.err")
    {
    if (! -e "outfiles/$file.err")
      {
      printf("There is stderr output, but outfiles/$file.err does not exist.\n");
      system("more test.err"); 
      exit 1;
      }    

    $rc = system("$cf test.err outfiles/$file.err >test.cf");
    
    if ($rc != 0)
      {
      # printf("text cf RC=$rc\n");
      system("more test.cf");
    
      for (;;)
        {
        print "Continue, Update & retry, Quit? [Q] ";
    
        if ($force_update)
          {
          $_ = "u";
          print "... update forced\n";
          }
        else
          {
          open(T, "/dev/tty") || die "Failed to open /dev/tty: $!\n";
          $_ = <T>;
          close(T);
          }
    
        exit 1 if /^q?$/i;
        goto CHECK_MAIN if /^c$/i; 
        
        if (/^u$/)
          {
          exit 1 if system("cp test.err outfiles/$file.err") != 0;
          unshift @files, $file; 
          print (("#" x 79) . "\n");
          last;
          }
        }

      redo;   # Repeats the test
      } 
    }  

  # Compare the main output

  CHECK_MAIN:
   
  $rc = system("$cf test.xml outfiles/$file >test.cf");
  if ($rc != 0)
    {
    # printf("cf RC=$rc\n");
    system("more test.cf");

    for (;;)
      {
      print "View, Continue, Update & retry, Quit? [Q] ";

      if ($force_update)
        {
        $_ = "u";
        print "... update forced\n";
        }
      else
        {
        open(T, "/dev/tty") || die "Failed to open /dev/tty: $!\n";
        $_ = <T>;
        close(T);
        }

      exit 1 if /^\s*q?$/i;
      last if /^\s*c$/i; 
      
      if (/^\s*v$/)
        {
        system ("less -XF test.xml"); 
        # Stay in loop to reprompt 
        }  
      
      elsif (/^\s*u$/)
        {
        exit 1 if system("cp test.xml outfiles/$file") != 0;
        unshift @files, $file; 
        print (("#" x 79) . "\n");
        last;
        }
      }
    }
  else
    {
    printf ("Test $file OK\n");
#    system("gzip outfiles/$file"); 
    last if defined $endtest && $file =~ /^$endtest/;
    }
  }
  
die "No selected test found\n" if !$started; 

system("/bin/rm -rf test.* test-*"); 

# End