--- a/build-aux/common.mk	Fri Feb 08 16:05:04 2013 +0100
+++ b/build-aux/common.mk	Fri Feb 08 16:53:14 2013 -0500
@@ -363,6 +363,9 @@
 man1dir = @man1dir@
 man1ext = @man1ext@
 
+# Where to install test files.
+octtestsdir = @octtestsdir@
+
 # The full path to the default doc cache file.
 doc_cache_file = @doc_cache_file@
 
@@ -677,6 +680,7 @@
   -e "s|%OCTAVE_OCTINCLUDEDIR%|\"${octincludedir}\"|" \
   -e "s|%OCTAVE_OCTLIBDIR%|\"${octlibdir}\"|" \
   -e "s|%OCTAVE_OCTLOCALEDIR%|\"${octlocaledir}\"|" \
+  -e "s|%OCTAVE_OCTTESTSDIR%|\"${octtestsdir}\"|" \
   -e "s|%OCTAVE_STARTUPFILEDIR%|\"${startupfiledir}\"|" \
   -e "s|%OCTAVE_PREFIX%|\"${prefix}\"|" \
   -e "s|%OCTAVE_API_VERSION%|\"${api_version}\"|" \
@@ -725,3 +729,17 @@
 rm -f $(DESTDIR)$(fcnfiledir)/$(script_sub_dir)/PKG_ADD
 -rmdir $(DESTDIR)$(fcnfiledir)/$(script_sub_dir)
 endef
+
+define test-file-commands
+( echo "## DO NOT EDIT!  Generated automatically from $(<F) by Make."; grep '^%!' $< ) > $@-t
+mv $@-t $@
+endef
+
+%.cc-tst : %.cc
+	$(test-file-commands)
+
+%.yy-tst : %.yy
+	$(test-file-commands)
+
+%.ll-tst : %.ll
+	$(test-file-commands)

--- a/configure.ac	Fri Feb 08 16:05:04 2013 +0100
+++ b/configure.ac	Fri Feb 08 16:53:14 2013 -0500
@@ -82,6 +82,7 @@
 OCTAVE_SET_DEFAULT([octetcdir], '$(datadir)/octave/$(version)/etc')
 OCTAVE_SET_DEFAULT([octlocaledir], '$(datadir)/octave/$(version)/locale')
 OCTAVE_SET_DEFAULT([doc_cache_file], '$(octetcdir)/doc-cache')
+OCTAVE_SET_DEFAULT([octtestsdir], '$(octetcdir)/tests')
 OCTAVE_SET_DEFAULT([texi_macros_file], '$(octetcdir)/macros.texi')
 OCTAVE_SET_DEFAULT([imagedir], '$(datadir)/octave/$(version)/imagelib')
 OCTAVE_SET_DEFAULT([man1dir], '$(mandir)/man1')

--- a/libinterp/Makefile.am	Fri Feb 08 16:05:04 2013 +0100
+++ b/libinterp/Makefile.am	Fri Feb 08 16:53:14 2013 -0500
@@ -230,6 +230,16 @@
 	  -DMAKE_BUILTINS $< | $(srcdir)/mkdefs $(srcdir) $< > $@-t
 	mv $@-t $@
 
+## Rules to build test files
+
+TST_FILES_SRC := $(shell $(top_srcdir)/build-aux/find-files-with-tests.sh "$(srcdir)" $(DIST_SRC) $(DLDFCN_SRC))
+
+TST_FILES := $(addsuffix -tst,$(TST_FILES_SRC))
+
+libinterptestsdir := $(octtestsdir)/libinterp
+
+nobase_libinterptests_DATA = $(TST_FILES)
+
 ## Override Automake's rule that forces a .hh extension on us even
 ## though we don't want it.  It would be super awesome if automake
 ## would allow users to choose the header file extension.

--- a/libinterp/interpfcn/defaults.in.h	Fri Feb 08 16:05:04 2013 +0100
+++ b/libinterp/interpfcn/defaults.in.h	Fri Feb 08 16:53:14 2013 -0500
@@ -168,6 +168,10 @@
 #define OCTAVE_OCTLIBDIR %OCTAVE_OCTLIBDIR%
 #endif
 
+#ifndef OCTAVE_OCTTESTSDIR
+#define OCTAVE_OCTTESTSDIR %OCTAVE_OCTTESTSDIR%
+#endif
+
 #ifndef OCTAVE_PREFIX
 #define OCTAVE_PREFIX %OCTAVE_PREFIX%
 #endif

--- a/libinterp/interpfcn/toplev.cc	Fri Feb 08 16:05:04 2013 +0100
+++ b/libinterp/interpfcn/toplev.cc	Fri Feb 08 16:53:14 2013 -0500
@@ -1414,6 +1414,7 @@
       { true, "octetcdir", OCTAVE_OCTETCDIR },
       { true, "octincludedir", OCTAVE_OCTINCLUDEDIR },
       { true, "octlibdir", OCTAVE_OCTLIBDIR },
+      { true, "octtestsdir", OCTAVE_OCTTESTSDIR },
       { true, "prefix", OCTAVE_PREFIX },
       { true, "startupfiledir", OCTAVE_STARTUPFILEDIR },
       { false, "version", OCTAVE_VERSION },

--- a/liboctave/Makefile.am	Fri Feb 08 16:05:04 2013 +0100
+++ b/liboctave/Makefile.am	Fri Feb 08 16:53:14 2013 -0500
@@ -75,6 +75,8 @@
 ## C++ files with templates that are #included, not compiled
 TEMPLATE_SRC =
 
+## A list of all files that could include tests
+
 include array/module.mk
 include numeric/module.mk
 include operators/module.mk
@@ -117,5 +119,21 @@
   -bindir $(bindir) \
   $(LIBOCTAVE_LINK_OPTS)
 
+## Rules to build test files
+
+LIBOCTAVE_TST_SRC = \
+  $(array_libarray_la_SOURCES) \
+  $(numeric_libnumeric_la_SOURCES) \
+  $(system_libsystem_la_SOURCES) \
+  $(util_libutil_la_SOURCES)
+
+TST_FILES_SRC := $(shell $(top_srcdir)/build-aux/find-files-with-tests.sh "$(srcdir)" $(LIBOCTAVE_TST_SRC))
+
+TST_FILES := $(addsuffix -tst,$(TST_FILES_SRC))
+
+liboctavetestsdir := $(octtestsdir)/liboctave
+
+nobase_liboctavetests_DATA = $(TST_FILES)
+
 DISTCLEANFILES += $(BUILT_INCS)
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/testfun/__printf_assert__.m	Fri Feb 08 16:53:14 2013 -0500
@@ -0,0 +1,27 @@
+## Copyright (C) 2005-2012 David Bateman
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {} __printf_assert__ (@dots{})
+## Undocumented internal function.
+## @end deftypefn
+
+function __printf_assert__ (varargin)
+  global _assert_printf;
+  _assert_printf = cat (2, _assert_printf, sprintf (varargin{:}));
+endfunction

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/testfun/__prog_output_assert__.m	Fri Feb 08 16:53:14 2013 -0500
@@ -0,0 +1,34 @@
+## Copyright (C) 2005-2012 David Bateman
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {} __prog_output_assert__ (@var{str})
+## Undocumented internal function.
+## @end deftypefn
+
+function ret = __prog_output_assert__ (str)
+  global _assert_printf;
+  if (isempty (_assert_printf))
+    ret = isempty (str);
+  elseif (_assert_printf(end) == "\n")
+    ret = strcmp (_assert_printf(1:(end-1)), str);
+  else
+    ret = strcmp (_assert_printf, str);
+  endif
+  _assert_printf = "";
+endfunction

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/testfun/__run_test_suite__.m	Fri Feb 08 16:53:14 2013 -0500
@@ -0,0 +1,284 @@
+## Copyright (C) 2005-2012 David Bateman
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {} __run_test_suite__ (@var{fcndirs}, @var{fixedtestdirs})
+## Undocumented internal function.
+## @end deftypefn
+
+function __run_test_suite__ (fcndirs, fixedtestdirs)
+  testsdir = octave_config_info ("octtestsdir");
+  libinterptestdir = fullfile (testsdir, "libinterp")
+  liboctavetestdir = fullfile (testsdir, "liboctave")
+  fixedtestdir = fullfile (testsdir, "fixed");
+  fcnfiledir = octave_config_info ("fcnfiledir");
+  if (nargin == 0)
+    fcndirs = { libinterptestdir, liboctavetestdir, fcnfiledir };
+    fixedtestdirs = { fixedtestdir };
+  endif
+  global files_with_no_tests = {};
+  global files_with_tests = {};
+  ## FIXME -- these names don't really make sense if we are running
+  ## tests for an installed copy of Octave.
+  global topsrcdir = fcnfiledir;
+  global topbuilddir = testsdir;
+  pso = page_screen_output ();
+  warn_state = warning ("query", "quiet");
+  warning ("on", "quiet");
+  try
+    page_screen_output (0);
+    warning ("off", "Octave:deprecated-function");
+    fid = fopen ("fntests.log", "wt");
+    if (fid < 0)
+      error ("could not open fntests.log for writing");
+    endif
+    test ("", "explain", fid);
+    dp = dn = dxf = dsk = 0;
+    puts ("\nIntegrated test scripts:\n\n");
+    for i = 1:length (fcndirs)
+      [p, n, xf, sk] = run_test_script (fid, fcndirs{i});
+      dp += p;
+      dn += n;
+      dxf += xf;
+      dsk += sk;
+    endfor
+    puts ("\nFixed test scripts:\n\n");
+    for i = 1:length (fixedtestdirs)
+      [p, n, xf, sk] = run_test_dir (fid, fixedtestdirs{i});
+      dp += p;
+      dn += n;
+      dxf += xf;
+      dsk += sk;
+    endfor
+    puts ("\nSummary:\n\n");
+    nfail = dn - dp;
+    printf ("  PASS    %6d\n", dp);
+    printf ("  FAIL    %6d\n", nfail);
+    if (dxf > 0)
+      printf ("  XFAIL   %6d\n", dxf);
+    endif
+    if (dsk > 0)
+      printf ("  SKIPPED %6d\n", dsk);
+    endif
+    puts ("\n");
+    puts ("See the file test/fntests.log for additional details.\n");
+    if (dxf > 0)
+      puts ("\n");
+      puts ("Expected failures (listed as XFAIL above) are known bugs.\n");
+      puts ("Please help improve Octave by contributing fixes for them.\n");
+    endif
+    if (dsk > 0)
+      puts ("\n");
+      puts ("Tests are most often skipped because the features they require\n");
+      puts ("have been disabled.  Features are most often disabled because\n");
+      puts ("they require dependencies that were not present when Octave\n");
+      puts ("was built.  The configure script should have printed a summary\n");
+      puts ("at the end of its run indicating which dependencies were not found.\n");
+    endif
+
+    ## Weed out deprecated and private functions
+    weed_idx = cellfun (@isempty, regexp (files_with_tests, '\bdeprecated\b|\bprivate\b', 'once'));
+    files_with_tests = files_with_tests(weed_idx);
+    weed_idx = cellfun (@isempty, regexp (files_with_no_tests, '\bdeprecated\b|\bprivate\b', 'once'));
+    files_with_no_tests = files_with_no_tests(weed_idx);
+
+    report_files_with_no_tests (files_with_tests, files_with_no_tests, ".m");
+
+    puts ("\nPlease help improve Octave by contributing tests for\n");
+    puts ("these files (see the list in the file fntests.log).\n\n");
+
+    fprintf (fid, "\nFiles with no tests:\n\n%s",
+            list_in_columns (files_with_no_tests, 80));
+    fclose (fid);
+
+    page_screen_output (pso);
+    warning (warn_state.state, "quiet");
+  catch
+    page_screen_output (pso);
+    warning (warn_state.state, "quiet");
+    disp (lasterr ());
+  end_try_catch
+endfunction
+
+function print_test_file_name (nm)
+  filler = repmat (".", 1, 55-length (nm));
+  printf ("  %s %s", nm, filler);
+endfunction
+
+function print_pass_fail (n, p)
+  if (n > 0)
+    printf (" PASS %4d/%-4d", p, n);
+    nfail = n - p;
+    if (nfail > 0)
+      printf (" FAIL %d", nfail);
+    endif
+  endif
+  puts ("\n");
+endfunction
+
+function retval = has_functions (f)
+  n = length (f);
+  if (n > 3 && strcmp (f((end-2):end), ".cc"))
+    fid = fopen (f);
+    if (fid >= 0)
+      str = fread (fid, "*char")';
+      fclose (fid);
+      retval = ! isempty (regexp (str,'^(DEFUN|DEFUN_DLD)\b', 'lineanchors'));
+    else
+      error ("fopen failed: %s", f);
+    endif
+  elseif (n > 2 && strcmp (f((end-1):end), ".m"))
+    retval = true;
+  else
+    retval = false;
+  endif
+endfunction
+
+function retval = has_tests (f)
+  fid = fopen (f);
+  if (fid >= 0)
+    str = fread (fid, "*char")';
+    fclose (fid);
+    retval = ! isempty (regexp (str, '^%!(assert|error|fail|test|warning)', "lineanchors"));
+  else
+    error ("fopen failed: %s", f);
+  endif
+endfunction
+
+function retval = has_demos (f)
+  fid = fopen (f);
+  if (fid >= 0)
+    str = fread (fid, "*char")';
+    fclose (fid);
+    retval = ! isempty (regexp (str, '^%!demo', "lineanchors"));
+  else
+    error ("fopen failed: %s", f);
+  endif
+endfunction
+
+function [dp, dn, dxf, dsk] = run_test_dir (fid, d);
+  global files_with_tests;
+  global files_with_no_tests;
+  lst = dir (d);
+  dp = dn = dxf = dsk = 0;
+  for i = 1:length (lst)
+    nm = lst(i).name;
+    if (lst(i).isdir
+        && ! strcmp (nm, ".") && ! strcmp (nm, "..")
+        && ! strcmp (nm, "private") && nm(1) != "@"
+        && ! strcmp (nm, "CVS"))
+      [p, n, xf, sk] = run_test_dir (fid, [d, filesep, nm]);
+      dp += p;
+      dn += n;
+      dxf += xf;
+      dsk += sk;
+    endif
+  endfor
+  saved_dir = pwd ();
+  unwind_protect
+    chdir (d);
+    for i = 1:length (lst)
+      nm = lst(i).name;
+      if (length (nm) > 5 && strcmp (nm(1:5), "test_")
+          && strcmp (nm((end-1):end), ".m"))
+        p = n = xf = sk = 0;
+        ffnm = fullfile (d, nm);
+        if (has_tests (ffnm))
+          print_test_file_name (nm);
+          [p, n, xf, sk] = test (nm(1:(end-2)), "quiet", fid);
+          print_pass_fail (n, p);
+          files_with_tests(end+1) = ffnm;
+        ##elseif (has_demos (ffnm))
+        ##  files_with_tests(end+1) = ffnm;
+        else
+          files_with_no_tests(end+1) = ffnm;
+        endif
+        dp += p;
+        dn += n;
+        dxf += xf;
+        dsk += sk;
+      endif
+    endfor
+  unwind_protect_cleanup
+    chdir (saved_dir);
+  end_unwind_protect
+endfunction
+
+function [dp, dn, dxf, dsk] = run_test_script (fid, d);
+  global files_with_tests;
+  global files_with_no_tests;
+  global topsrcdir;
+  global topbuilddir;
+  lst = dir (d);
+  dp = dn = dxf = dsk = 0;
+  for i = 1:length (lst)
+    nm = lst(i).name;
+    if (lst(i).isdir && ! strcmp (nm, ".") && ! strcmp (nm, "..")
+        && ! strcmp (nm, "CVS"))
+      [p, n, xf, sk] = run_test_script (fid, [d, filesep, nm]);
+      dp += p;
+      dn += n;
+      dxf += xf;
+      dsk += sk;
+    endif
+  endfor
+  for i = 1:length (lst)
+    nm = lst(i).name;
+    ## Ignore hidden files
+    if (nm(1) == '.')
+      continue
+    endif
+    f = fullfile (d, nm);
+    if ((length (nm) > 2 && strcmp (nm((end-1):end), ".m")) || 
+        (length (nm) > 4 && strcmp (nm((end-3):end), "-tst")))
+      p = n = xf = 0;
+      ## Only run if it contains %!test, %!assert %!error or %!warning
+      if (has_tests (f))
+        tmp = strrep (f, [topsrcdir, filesep], "");
+        tmp = strrep (tmp, [topbuilddir, filesep], "");
+        print_test_file_name (tmp);
+        [p, n, xf, sk] = test (f, "quiet", fid);
+        print_pass_fail (n, p);
+        dp += p;
+        dn += n;
+        dxf += xf;
+        dsk += sk;
+        files_with_tests(end+1) = f;
+      ##elseif (has_demos (f))
+      ##  files_with_tests(end+1) = f;
+      else
+        ## To reduce the list length, only mark .cc files that contain
+        ## DEFUN definitions.
+        files_with_no_tests(end+1) = f;
+      endif
+    endif
+  endfor 
+  ##  printf("%s%s -> passes %d of %d tests\n", ident, d, dp, dn);
+endfunction
+
+function n = num_elts_matching_pattern (lst, pat)
+  n = sum (cellfun (@(x) !isempty (x), regexp (lst, pat, 'once')));
+endfunction
+
+function report_files_with_no_tests (with, without, typ)
+  pat = cstrcat ('\', typ, "$");
+  n_with = num_elts_matching_pattern (with, pat);
+  n_without = num_elts_matching_pattern (without, pat);
+  n_tot = n_with + n_without;
+  printf ("\n%d (of %d) %s files have no tests.\n", n_without, n_tot, typ);
+endfunction

--- a/scripts/testfun/module.mk	Fri Feb 08 16:05:04 2013 +0100
+++ b/scripts/testfun/module.mk	Fri Feb 08 16:53:14 2013 -0500
@@ -1,6 +1,9 @@
 FCN_FILE_DIRS += testfun
 
 testfun_FCN_FILES = \
+  testfun/__printf_assert__.m \
+  testfun/__prog_output_assert__.m \
+  testfun/__run_test_suite__.m \
   testfun/assert.m \
   testfun/demo.m \
   testfun/example.m \

--- a/scripts/testfun/test.m	Fri Feb 08 16:05:04 2013 +0100
+++ b/scripts/testfun/test.m	Fri Feb 08 16:53:14 2013 -0500
@@ -771,7 +771,7 @@
 %!test   a=3;             # assign to a shared variable
 %!test   assert (a,3)     # variable should equal 3
 %!shared b,c              # replace shared variables
-%!test assert (!exist ("a"));  # a no longer exists
+%!test assert (!exist ("a", "var"));  # a no longer exists
 %!test assert (isempty (b));   # variables start off empty
 %!shared a,b,c            # recreate a shared variable
 %!test assert (isempty (a));   # value is empty even if it had a previous value
@@ -780,7 +780,7 @@
 %!test c=6;             # update a value
 %!test assert ([a, b, c],[1, 2, 6]); # show that the update sticks
 %!shared                     # clear all shared variables
-%!test assert (!exist ("a")) # show that they are cleared
+%!test assert (!exist ("a", "var")) # show that they are cleared
 %!shared a,b,c               # support for initializer shorthand
 %! a=1; b=2; c=4;
 
@@ -835,7 +835,7 @@
 % !demo   with syntax error  # syntax errors in demo fail properly
 % !shared a,b,c
 % !demo                      # shared variables not available in demo
-% ! assert(exist("a"))
+% ! assert(exist("a", "var"))
 % !error
 % ! test('/etc/passwd');
 % ! test("nonexistent file");

--- a/test/Makefile.am	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/Makefile.am	Fri Feb 08 16:53:14 2013 -0500
@@ -68,6 +68,12 @@
 test_bc_overloads.m: build_bc_overload_tests.sh bc_overloads_expected
 	$(srcdir)/build_bc_overload_tests.sh $(srcdir)/bc_overloads_expected
 
+GENERATED_BC_OVERLOADS_DIRS := \
+  $(shell $(srcdir)/build_bc_overload_tests.sh --list-dirs)
+
+GENERATED_BC_OVERLOADS_FILES := \
+  $(shell $(srcdir)/build_bc_overload_tests.sh --list-files)
+
 EXTRA_DIST = \
   build_sparse_tests.sh \
   build_bc_overload_tests.sh \
@@ -77,12 +83,17 @@
 
 CLEANFILES = \
   test_sparse.m \
-  test_bc_overloads.m \
-  tbcover.m
+  $(GENERATED_BC_OVERRLOADS_FILES)
 
 DISTCLEANFILES = \
   fntests.log
-        
+
+fixedtestsdir := $(octtestsdir)/fixed
+
+nobase_fixedtests_DATA = \
+  test_sparse.m \
+  $(GENERATED_BC_OVERLOADS_FILES) \
+  $(filter-out fntests.m, $(FCN_FILES))
+
 clean-local:
-	-rm -rf @double @logical @int8 @uint64 @int64 @cell @single @int32 \
-	@uint8 @uint16 @uint32 @struct @int16 @function_handle @char
+	-rm -rf $(GENERATED_BC_OVERLOADS_DIRS)

--- a/test/build_bc_overload_tests.sh	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/build_bc_overload_tests.sh	Fri Feb 08 16:53:14 2013 -0500
@@ -37,7 +37,28 @@
 "
 
 if [ $# -eq 1 ]; then
-  expected_results_file="$1"
+  case "$1" in
+    --list-files)
+      echo tbcover.m test_bc_overloads.m
+      for class in $CLASSES; do
+        echo @$class/tbcover.m
+      done
+      exit
+    ;;
+    --list-dirs)
+      for class in $CLASSES; do
+        echo @$class
+      done
+      exit
+    ;;
+    --list-classes)
+      echo $CLASSES
+      exit
+    ;;
+    *)
+      expected_results_file="$1"
+    ;;
+  esac
 else
   echo "usage: build_bc_overload_tests.sh expected-results-file" 1>&2
   exit 1

--- a/test/classes/module.mk	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/classes/module.mk	Fri Feb 08 16:53:14 2013 -0500
@@ -37,17 +37,39 @@
   classes/@Snork/Snork.m \
   classes/@Snork/cack.m \
   classes/@Snork/display.m \
+  classes/@Snork/double.m \
   classes/@Snork/end.m \
+  classes/@Snork/eq.m \
+  classes/@Snork/fdisp.m \
+  classes/@Snork/ge.m \
   classes/@Snork/get.m \
   classes/@Snork/getStash.m \
   classes/@Snork/gick.m \
+  classes/@Snork/gt.m \
+  classes/@Snork/horzcat.m \
+  classes/@Snork/ldivide.m \
+  classes/@Snork/le.m \
   classes/@Snork/loadobj.m \
+  classes/@Snork/lt.m \
+  classes/@Snork/minus.m \
+  classes/@Snork/mldivide.m \
+  classes/@Snork/mpower.m \
+  classes/@Snork/mrdivide.m \
+  classes/@Snork/mtimes.m \
+  classes/@Snork/ne.m \
+  classes/@Snork/plus.m \
+  classes/@Snork/power.m \
   classes/@Snork/private/myStash.m \
+  classes/@Snork/rdivide.m \
   classes/@Snork/saveobj.m \
   classes/@Snork/set.m \
   classes/@Snork/subsasgn.m \
   classes/@Snork/subsindex.m \
   classes/@Snork/subsref.m \
+  classes/@Snork/times.m \
+  classes/@Snork/uminus.m \
+  classes/@Snork/uplus.m \
+  classes/@Snork/vertcat.m \
   classes/@Spork/Spork.m \
   classes/@Spork/cack.m \
   classes/@Spork/display.m \

--- a/test/fntests.m	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/fntests.m	Fri Feb 08 16:53:14 2013 -0500
@@ -41,8 +41,8 @@
   testdirs = {currdir, srcdir};
 endif
 
-src_tree = canonicalize_file_name (fullfile (topsrcdir, "libinterp"));
-liboctave_tree = canonicalize_file_name (fullfile (topsrcdir, "liboctave"));
+src_tree = canonicalize_file_name (fullfile (topbuilddir, "libinterp"));
+liboctave_tree = canonicalize_file_name (fullfile (topbuilddir, "liboctave"));
 script_tree = canonicalize_file_name (fullfile (topsrcdir, "scripts"));
 local_script_tree = canonicalize_file_name (fullfile (currdir, "../scripts"));
 
@@ -52,265 +52,4 @@
   fundirs{end+1} = local_script_tree;
 endif
 
-function print_test_file_name (nm)
-  filler = repmat (".", 1, 55-length (nm));
-  printf ("  %s %s", nm, filler);
-endfunction
-
-function print_pass_fail (n, p)
-  if (n > 0)
-    printf (" PASS %4d/%-4d", p, n);
-    nfail = n - p;
-    if (nfail > 0)
-      printf (" FAIL %d", nfail);
-    endif
-  endif
-  puts ("\n");
-endfunction
-
-function retval = has_functions (f)
-  n = length (f);
-  if (n > 3 && strcmp (f((end-2):end), ".cc"))
-    fid = fopen (f);
-    if (fid >= 0)
-      str = fread (fid, "*char")';
-      fclose (fid);
-      retval = ! isempty (regexp (str,'^(DEFUN|DEFUN_DLD)\b', 'lineanchors'));
-    else
-      error ("fopen failed: %s", f);
-    endif
-  elseif (n > 2 && strcmp (f((end-1):end), ".m"))
-    retval = true;
-  else
-    retval = false;
-  endif
-endfunction
-
-function retval = has_tests (f)
-  fid = fopen (f);
-  if (fid >= 0)
-    str = fread (fid, "*char")';
-    fclose (fid);
-    retval = ! isempty (regexp (str, '^%!(assert|error|fail|test|warning)', "lineanchors"));
-  else
-    error ("fopen failed: %s", f);
-  endif
-endfunction
-
-function retval = has_demos (f)
-  fid = fopen (f);
-  if (fid >= 0)
-    str = fread (fid, "*char")';
-    fclose (fid);
-    retval = ! isempty (regexp (str, '^%!demo', "lineanchors"));
-  else
-    error ("fopen failed: %s", f);
-  endif
-endfunction
-
-function [dp, dn, dxf, dsk] = run_test_dir (fid, d);
-  global files_with_tests;
-  global files_with_no_tests;
-  lst = dir (d);
-  dp = dn = dxf = dsk = 0;
-  for i = 1:length (lst)
-    nm = lst(i).name;
-    if (lst(i).isdir
-        && ! strcmp (nm, ".") && ! strcmp (nm, "..")
-        && ! strcmp (nm, "private") && nm(1) != "@"
-        && ! strcmp (nm, "CVS"))
-      [p, n, xf, sk] = run_test_dir (fid, [d, filesep, nm]);
-      dp += p;
-      dn += n;
-      dxf += xf;
-      dsk += sk;
-    endif
-  endfor
-  saved_dir = pwd ();
-  unwind_protect
-    chdir (d);
-    for i = 1:length (lst)
-      nm = lst(i).name;
-      if (length (nm) > 5 && strcmp (nm(1:5), "test_")
-          && strcmp (nm((end-1):end), ".m"))
-        p = n = xf = sk = 0;
-        ffnm = fullfile (d, nm);
-        if (has_tests (ffnm))
-          print_test_file_name (nm);
-          [p, n, xf, sk] = test (nm(1:(end-2)), "quiet", fid);
-          print_pass_fail (n, p);
-          files_with_tests(end+1) = ffnm;
-        ##elseif (has_demos (ffnm))
-        ##  files_with_tests(end+1) = ffnm;
-        else
-          files_with_no_tests(end+1) = ffnm;
-        endif
-        dp += p;
-        dn += n;
-        dxf += xf;
-        dsk += sk;
-      endif
-    endfor
-  unwind_protect_cleanup
-    chdir (saved_dir);
-  end_unwind_protect
-endfunction
-
-function [dp, dn, dxf, dsk] = run_test_script (fid, d);
-  global files_with_tests;
-  global files_with_no_tests;
-  global topsrcdir;
-  global topbuilddir;
-  lst = dir (d);
-  dp = dn = dxf = dsk = 0;
-  for i = 1:length (lst)
-    nm = lst(i).name;
-    if (lst(i).isdir && ! strcmp (nm, ".") && ! strcmp (nm, "..")
-        && ! strcmp (nm, "CVS"))
-      [p, n, xf, sk] = run_test_script (fid, [d, filesep, nm]);
-      dp += p;
-      dn += n;
-      dxf += xf;
-      dsk += sk;
-    endif
-  endfor
-  for i = 1:length (lst)
-    nm = lst(i).name;
-    ## Ignore hidden files
-    if (nm(1) == '.')
-      continue
-    endif
-    f = fullfile (d, nm);
-    if ((length (nm) > 2 && strcmp (nm((end-1):end), ".m")) || 
-        (length (nm) > 3 && strcmp (nm((end-2):end), ".cc")))
-      p = n = xf = 0;
-      ## Only run if it contains %!test, %!assert %!error or %!warning
-      if (has_tests (f))
-        tmp = strrep (f, [topsrcdir, filesep], "");
-        tmp = strrep (tmp, [topbuilddir, filesep], ["..", filesep]);
-        print_test_file_name (tmp);
-        [p, n, xf, sk] = test (f, "quiet", fid);
-        print_pass_fail (n, p);
-        dp += p;
-        dn += n;
-        dxf += xf;
-        dsk += sk;
-        files_with_tests(end+1) = f;
-      ##elseif (has_demos (f))
-      ##  files_with_tests(end+1) = f;
-      elseif (has_functions (f))
-        ## To reduce the list length, only mark .cc files that contain
-        ## DEFUN definitions.
-        files_with_no_tests(end+1) = f;
-      endif
-    endif
-  endfor 
-  ##  printf("%s%s -> passes %d of %d tests\n", ident, d, dp, dn);
-endfunction
-
-function printf_assert (varargin)
-  global _assert_printf;
-  _assert_printf = cat (2, _assert_printf, sprintf (varargin{:}));
-endfunction
-
-function ret = prog_output_assert (str)
-  global _assert_printf;
-  if (isempty (_assert_printf))
-    ret = isempty (str);
-  elseif (_assert_printf(end) == "\n")
-    ret = strcmp (_assert_printf(1:(end-1)), str);
-  else
-    ret = strcmp (_assert_printf, str);
-  endif
-  _assert_printf = "";
-endfunction
-
-function n = num_elts_matching_pattern (lst, pat)
-  n = sum (cellfun (@(x) !isempty (x), regexp (lst, pat, 'once')));
-endfunction
-
-function report_files_with_no_tests (with, without, typ)
-  pat = cstrcat ('\', typ, "$");
-  n_with = num_elts_matching_pattern (with, pat);
-  n_without = num_elts_matching_pattern (without, pat);
-  n_tot = n_with + n_without;
-  printf ("\n%d (of %d) %s files have no tests.\n", n_without, n_tot, typ);
-endfunction
-
-pso = page_screen_output ();
-warn_state = warning ("query", "quiet");
-warning ("on", "quiet");
-try
-  page_screen_output (0);
-  warning ("off", "Octave:deprecated-function");
-  fid = fopen ("fntests.log", "wt");
-  if (fid < 0)
-    error ("could not open fntests.log for writing");
-  endif
-  test ("", "explain", fid);
-  dp = dn = dxf = dsk = 0;
-  puts ("\nIntegrated test scripts:\n\n");
-  for i = 1:length (fundirs)
-    [p, n, xf, sk] = run_test_script (fid, fundirs{i});
-    dp += p;
-    dn += n;
-    dxf += xf;
-    dsk += sk;
-  endfor
-  puts ("\nFixed test scripts:\n\n");
-  for i = 1:length (testdirs)
-    [p, n, xf, sk] = run_test_dir (fid, testdirs{i});
-    dp += p;
-    dn += n;
-    dxf += xf;
-    dsk += sk;
-  endfor
-  puts ("\nSummary:\n\n");
-  nfail = dn - dp;
-  printf ("  PASS    %6d\n", dp);
-  printf ("  FAIL    %6d\n", nfail);
-  if (dxf > 0)
-    printf ("  XFAIL   %6d\n", dxf);
-  endif
-  if (dsk > 0)
-    printf ("  SKIPPED %6d\n", dsk);
-  endif
-  puts ("\n");
-  puts ("See the file test/fntests.log for additional details.\n");
-  if (dxf > 0)
-    puts ("\n");
-    puts ("Expected failures (listed as XFAIL above) are known bugs.\n");
-    puts ("Please help improve Octave by contributing fixes for them.\n");
-  endif
-  if (dsk > 0)
-    puts ("\n");
-    puts ("Tests are most often skipped because the features they require\n");
-    puts ("have been disabled.  Features are most often disabled because\n");
-    puts ("they require dependencies that were not present when Octave\n");
-    puts ("was built.  The configure script should have printed a summary\n");
-    puts ("at the end of its run indicating which dependencies were not found.\n");
-  endif
-
-  ## Weed out deprecated and private functions
-  weed_idx = cellfun (@isempty, regexp (files_with_tests, '\bdeprecated\b|\bprivate\b', 'once'));
-  files_with_tests = files_with_tests(weed_idx);
-  weed_idx = cellfun (@isempty, regexp (files_with_no_tests, '\bdeprecated\b|\bprivate\b', 'once'));
-  files_with_no_tests = files_with_no_tests(weed_idx);
-
-  report_files_with_no_tests (files_with_tests, files_with_no_tests, ".m");
-  report_files_with_no_tests (files_with_tests, files_with_no_tests, ".cc");
-
-  puts ("\nPlease help improve Octave by contributing tests for\n");
-  puts ("these files (see the list in the file fntests.log).\n\n");
-
-  fprintf (fid, "\nFiles with no tests:\n\n%s",
-          list_in_columns (files_with_no_tests, 80));
-  fclose (fid);
-
-  page_screen_output (pso);
-  warning (warn_state.state, "quiet");
-catch
-  page_screen_output (pso);
-  warning (warn_state.state, "quiet");
-  disp (lasterr ());
-end_try_catch
+__run_test_suite__ (fundirs, testdirs);

--- a/test/test_for.m	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/test_for.m	Fri Feb 08 16:53:14 2013 -0500
@@ -19,60 +19,60 @@
 %% test/octave.test/for/for-1.m
 %!test
 %! for i = 1
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! end
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("1"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("1"));
 
 %% test/octave.test/for/for-2.m
 %!test
 %! for i = 1:4
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("1234"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("1234"));
 
 %% test/octave.test/for/for-3.m
 %!test
 %! for i = [1,2,3,4]
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("1234"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("1234"));
 
 %% test/octave.test/for/for-4.m
 %!test
 %! for i = [1,2;3,4]
-%!   printf_assert ("%d", i(1,1));
-%!   printf_assert ("%d", i(2,1));
+%!   __printf_assert__ ("%d", i(1,1));
+%!   __printf_assert__ ("%d", i(2,1));
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("1324"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("1324"));
 
 %% test/octave.test/for/for-5.m
 %!test
 %! for i = I
-%!   printf_assert ("%d", imag (i));
+%!   __printf_assert__ ("%d", imag (i));
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("1"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("1"));
 
 %% test/octave.test/for/for-6.m
 %!test
 %! for i = [1,2,3,4]*I
-%!   printf_assert ("%d", imag (i));
+%!   __printf_assert__ ("%d", imag (i));
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("1234"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("1234"));
 
 %% test/octave.test/for/for-7.m
 %!test
 %! for i = [1,2;3,4]*I
-%!   printf_assert ("%d", imag (i(1,1)));
-%!   printf_assert ("%d", imag (i(2,1)));
+%!   __printf_assert__ ("%d", imag (i(1,1)));
+%!   __printf_assert__ ("%d", imag (i(2,1)));
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("1324"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("1324"));
 
 %% test/octave.test/for/for-8.m
 %!test
@@ -80,10 +80,10 @@
 %!   if (i > 2)
 %!     break;
 %!   endif
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("12"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("12"));
 
 %% test/octave.test/for/for-9.m
 %!test
@@ -91,10 +91,10 @@
 %!   if (i < 3)
 %!     continue;
 %!   endif
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endfor
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("34"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("34"));
 
 %!test
 %! a = [1,3;2,4];

--- a/test/test_if.m	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/test_if.m	Fri Feb 08 16:53:14 2013 -0500
@@ -21,67 +21,67 @@
 %! i = 0;
 %! if (i == 0)
 %!   i++;
-%!   printf_assert ("%d\n", i);
+%!   __printf_assert__ ("%d\n", i);
 %! endif
-%! assert (prog_output_assert ("1"));
+%! assert (__prog_output_assert__ ("1"));
 
 %% test/octave.test/if/if-2.m
 %!test
 %! if (eye (2))
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! else
-%!   printf_assert ("pass\n");
+%!   __printf_assert__ ("pass\n");
 %! end
-%! assert (prog_output_assert ("pass"));
+%! assert (__prog_output_assert__ ("pass"));
 
 %% test/octave.test/if/if-3.m
 %!test
 %! x = 2;
 %! if (eye (2))
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! elseif (x)
-%!   printf_assert ("pass\n");
+%!   __printf_assert__ ("pass\n");
 %! endif
-%! assert (prog_output_assert ("pass"));
+%! assert (__prog_output_assert__ ("pass"));
 
 %% test/octave.test/if/if-4.m
 %!test
 %! x = 0;
 %! y = -2;
 %! if (eye (2))
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! elseif (x)
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! elseif (y)
-%!   printf_assert ("pass\n");
+%!   __printf_assert__ ("pass\n");
 %! end
-%! assert (prog_output_assert ("pass"));
+%! assert (__prog_output_assert__ ("pass"));
 
 %% test/octave.test/if/if-5.m
 %!test
 %! x = 0;
 %! y = -2;
 %! if (eye (2))
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! elseif (x)
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! elseif (x)
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! else
-%!   printf_assert ("pass\n");
+%!   __printf_assert__ ("pass\n");
 %! endif
-%! assert (prog_output_assert ("pass"));
+%! assert (__prog_output_assert__ ("pass"));
 
 %% test/octave.test/if/if-6.m
 %!test
 %! x = 0;
 %! y = -2;
 %! if (y)
-%!   printf_assert ("pass\n");
+%!   __printf_assert__ ("pass\n");
 %! elseif (x)
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! elseif (x)
-%!   printf_assert ("fail\n");
+%!   __printf_assert__ ("fail\n");
 %! end
-%! assert (prog_output_assert ("pass"));
+%! assert (__prog_output_assert__ ("pass"));
 

--- a/test/test_io.m	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/test_io.m	Fri Feb 08 16:53:14 2013 -0500
@@ -352,7 +352,7 @@
 %!       mode = deblank (mode_list (k,:));
 %!       [id, err] = fopen (nm, mode, arch);
 %!       if (id < 0)
-%!         printf_assert ("open failed: %s (%s, %s): %s\n", nm, mode, arch, err);
+%!         __printf_assert__ ("open failed: %s (%s, %s): %s\n", nm, mode, arch, err);
 %!         status = 0;
 %!         break;
 %!       else
@@ -361,7 +361,7 @@
 %!       tmp_mode = cstrcat (mode, "b");
 %!       [id, err] = fopen (nm, tmp_mode, arch);
 %!       if (id < 0)
-%!         printf_assert ("open failed: %s (%s, %s): %s\n", nm, tmp_mode, arch, err);
+%!         __printf_assert__ ("open failed: %s (%s, %s): %s\n", nm, tmp_mode, arch, err);
 %!         status = 0;
 %!         break;
 %!       else
@@ -370,7 +370,7 @@
 %!       tmp_mode = cstrcat (mode, "t");
 %!       [id, err] = fopen (nm, tmp_mode, arch);
 %!       if (id < 0)
-%!         printf_assert ("open failed: %s (%s, %s): %s\n", nm, tmp_mode, arch, err);
+%!         __printf_assert__ ("open failed: %s (%s, %s): %s\n", nm, tmp_mode, arch, err);
 %!         status = 0;
 %!         break;
 %!       else
@@ -399,7 +399,7 @@
 
 %% test/octave.test/io/fopen-4.m
 %! fopen ("foo", "wb", "noodle");
-%! assert (prog_output_assert ("error:"));
+%! assert (__prog_output_assert__ ("error:"));
 
 %% test/octave.test/io/fopen-5.m
 %!error <Invalid call to fopen> fopen ()
@@ -452,13 +452,13 @@
 %!     endfor
 %!     
 %!     if (x == 1:n)
-%!       printf_assert ("ok\n");
+%!       __printf_assert__ ("ok\n");
 %!     endif
 %!   endif
 %! endif
 %! 
 %! unlink (nm);
-%! assert (prog_output_assert ("ok"));
+%! assert (__prog_output_assert__ ("ok"));
 
 %% test/octave.test/io/file-pos-1.m
 %!test

--- a/test/test_system.m	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/test_system.m	Fri Feb 08 16:53:14 2013 -0500
@@ -39,8 +39,8 @@
 %% test/octave.test/system/pause-1.m
 %!test
 %! pause (0);
-%! printf_assert ("ok\n");
-%! assert (prog_output_assert ("ok"));
+%! __printf_assert__ ("ok\n");
+%! assert (__prog_output_assert__ ("ok"));
 
 %% test/octave.test/system/pause-2.m
 %!error <Invalid call to pause> pause (1, 2)
@@ -48,8 +48,8 @@
 %% test/octave.test/system/sleep-1.m
 %!test
 %! sleep (0);
-%! printf_assert ("ok\n");
-%! assert (prog_output_assert ("ok"));
+%! __printf_assert__ ("ok\n");
+%! assert (__prog_output_assert__ ("ok"));
 
 %% test/octave.test/system/sleep-2.m
 %!error <Invalid call to sleep> sleep ()
@@ -60,8 +60,8 @@
 %% test/octave.test/system/usleep-1.m
 %!test
 %! usleep (0);
-%! printf_assert ("ok\n");
-%! assert (prog_output_assert ("ok"));
+%! __printf_assert__ ("ok\n");
+%! assert (__prog_output_assert__ ("ok"));
 
 %% test/octave.test/system/usleep-2.m
 %!error <Invalid call to usleep> usleep ()

--- a/test/test_while.m	Fri Feb 08 16:05:04 2013 +0100
+++ b/test/test_while.m	Fri Feb 08 16:53:14 2013 -0500
@@ -21,28 +21,28 @@
 %! i = 0;
 %! while (eye (2))
 %!   i++;
-%!   printf_assert ("%d\n", i);
+%!   __printf_assert__ ("%d\n", i);
 %! endwhile
-%! assert (prog_output_assert (""));
+%! assert (__prog_output_assert__ (""));
 
 %% test/octave.test/while/while-2.m
 %!test
 %! i = 5;
 %! while (--i)
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endwhile
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("4321"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("4321"));
 
 %% test/octave.test/while/while-3.m
 %!test
 %! i = 5;
 %! while (i)
 %!   i--;
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endwhile
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("43210"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("43210"));
 
 %% test/octave.test/while/while-4.m
 %!test
@@ -51,10 +51,10 @@
 %!   if (i > 2)
 %!     break;
 %!   endif
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endwhile
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("12"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("12"));
 
 %% test/octave.test/while/while-5.m
 %!test
@@ -63,8 +63,8 @@
 %!   if (i < 3)
 %!     continue;
 %!   endif
-%!   printf_assert ("%d", i);
+%!   __printf_assert__ ("%d", i);
 %! endwhile
-%! printf_assert ("\n");
-%! assert (prog_output_assert ("34"));
+%! __printf_assert__ ("\n");
+%! assert (__prog_output_assert__ ("34"));