skip_on_cran()
sysname <- tolower(Sys.info()[["sysname"]])
if (!any(sysname == c("sunos", "darwin"))) {
  library(digest)
  files <- list.files(pattern=".*\\.test\\.g$")
  skipTests <- NULL#("g50.test.g: g50.test.g.1", "g10.test.g: g10.test.g.1");
  #files <- NULL
  for (file in files){
    flags <- sprintf("%s.flags",file);
    if (file.exists(flags)){
      flags <- readLines(flags);
      if (flags == "-A"){
        flags <- list(states_for_all_nterms=TRUE);
      }
    } else {
      flags <- list();
    }
    context(sprintf("Grammar %s", file));
    ## sink("%s.check");
    ## dparse_gram(file, function(name, value, pos, depth){
    ##     cat(sprintf("name:%s;value:%s;pos:%s;depth:%s\n", name, value, pos, depth))
    ## })
    ## sink();
    out <- sprintf("%s.d_parser.c",file);
    flags$file <- file;
    flags$use_r_header <- TRUE;
    flags$verbose <- FALSE;
    do.call("mkdparse",flags);
    sink("Makevars");
    cat(sprintf("PKG_CPPFLAGS=-I\"%s\"\n",dpIncludeDir()))
    sink();
    parser <- sprintf("sample_parser%s",.Platform$dynlib.ext);
    unlink(parser)
    cmd <- sprintf("%s/bin/R CMD SHLIB sample_parser.c %s ",
                   Sys.getenv("R_HOME"), base::basename(out));
    system(cmd,ignore.stdout=FALSE,ignore.stderr=FALSE)
    unlink("Makevars");
    unlink(out);
    unlink(gsub("\\.c$",".h",out));
    unlink(gsub("\\.c$",".o",out));
    unlink("sample_parser.o");
    dyn.load(parser);
    ret <- tryCatch(dyn.load(parser),error=function(e){return(FALSE)});
    if ((class(ret) == "DLLInfo")){
      for (parseFile in list.files(pattern=sprintf("%s.[0-9]+$",file))){
        parseFlags <- sprintf("%s.flags",parseFile);
        test.name <- sprintf("%s: %s", file, parseFile);
        args <- list(fileName=parseFile,
                     start_state=0,
                     save_parse_tree= 1,
                     partial_parses = 0,
                     compare_stacks = 1,
                     commit_actions_interval = 100,
                     fixup = 1,
                     fixup_ebnf = 0,
                     nogreedy = 0,
                     noheight = 0,
                     use_file_name = 1);
        if (file.exists(parseFlags)){
          parseFlags <- readLines(parseFlags);
          if (parseFlags == "-S 3"){
            args$start_state = 3;
          } else if (parseFlags == "-e"){
            args$fixup_ebnf = 1;
          } else if (parseFlags == "-f") {
            args$fixup = 0;
          } else {
            print(parseFlags)
          }
          ## print(parseFlags);
          ## stop();
        }
        if(parseFile == "g50.test.g.1"){
          args$use_file_name <- 0;
        }
        sink("test-dparser");
        with(args,
             cat(.Call("sample_parser",
                       fileName,
                       as.integer(start_state),
                       as.integer(save_parse_tree),
                       as.integer(partial_parses),
                       as.integer(compare_stacks),
                       as.integer(commit_actions_interval),
                       as.integer(fixup),
                       as.integer(fixup_ebnf),
                       as.integer(nogreedy),
                       as.integer(noheight),
                       as.integer(use_file_name))));
        sink()
        test <- readLines("test-dparser");
        unlink("test-dparser");
        ## writeLines(test, sprintf("%s.check",parseFile))
        ref <- readLines(sprintf("%s.check",parseFile));
        if (!any(skipTests == test.name)){
          test_that(test.name, {
            expect_equal(test,ref);
          });
        } else {
          if (all(test == ref)){
            test_that(test.name, {
              expect_equal(test,ref);
            });
          } else {
            cat("\n################################################################################\n");
            cat("Expected:\n");
            cat(paste(ref, collapse="\n"));
            cat("\n################################################################################\n");
            cat("Out:\n");
            cat(paste(test, collapse="\n"));
            cat("\n################################################################################\n");
            if (Sys.which("diff") != ""){
              sink("ref")
              cat(paste(ref, collapse="\n"));
              sink()
              sink("test")
              cat(paste(test, collapse="\n"));
              sink()
              system("diff ref test")
              unlink("ref")
              unlink("test")
            }
          }
        }

      }
      dyn.unload(parser);
      unlink(parser);
    }
    while(sink.number() != 0){
      sink();
    }
  }
}