diff --git a/src/tests/color.blocked.t b/src/tests/color.blocked.t
new file mode 100755
index 000000000..09467054a
--- /dev/null
+++ b/src/tests/color.blocked.t
@@ -0,0 +1,64 @@
+#! /usr/bin/perl
+################################################################################
+## task - a command line task list manager.
+##
+## Copyright 2006 - 2010, Paul Beckingham.
+## All rights reserved.
+##
+## This program 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 2 of the License, or (at your option) any later
+## version.
+##
+## This program 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
+## this program; if not, write to the
+##
+##     Free Software Foundation, Inc.,
+##     51 Franklin Street, Fifth Floor,
+##     Boston, MA
+##     02110-1301
+##     USA
+##
+################################################################################
+
+use strict;
+use warnings;
+use Test::More tests => 6;
+
+# Create the rc file.
+if (open my $fh, '>', 'color.rc')
+{
+  print $fh "data.location=.\n",
+            "color.blocked=red\n",
+            "color.alternate=\n",
+            "_forcecolor=1\n";
+  close $fh;
+  ok (-r 'color.rc', 'Created color.rc');
+}
+
+# Test the add command.
+qx{../task rc:color.rc add red};
+qx{../task rc:color.rc add nothing};
+qx{../task rc:color.rc 1 depends:2};
+my $output = qx{../task rc:color.rc list};
+
+like ($output, qr/ (?!<\033\[\d\dm) .* nothing .* (?!>\033\[0m) /x, 'none');
+like ($output, qr/ \033\[31m        .* red     .* \033\[0m /x, 'color.blocked');
+
+# Cleanup.
+unlink 'pending.data';
+ok (!-r 'pending.data', 'Removed pending.data');
+
+unlink 'undo.data';
+ok (!-r 'undo.data', 'Removed undo.data');
+
+unlink 'color.rc';
+ok (!-r 'color.rc', 'Removed color.rc');
+
+exit 0;
+
diff --git a/src/tests/dependencies.t b/src/tests/dependencies.t
new file mode 100755
index 000000000..2467fd18b
--- /dev/null
+++ b/src/tests/dependencies.t
@@ -0,0 +1,57 @@
+#! /usr/bin/perl
+################################################################################
+## task - a command line task list manager.
+##
+## Copyright 2006 - 2010, Paul Beckingham.
+## All rights reserved.
+##
+## This program 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 2 of the License, or (at your option) any later
+## version.
+##
+## This program 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
+## this program; if not, write to the
+##
+##     Free Software Foundation, Inc.,
+##     51 Franklin Street, Fifth Floor,
+##     Boston, MA
+##     02110-1301
+##     USA
+##
+################################################################################
+
+use strict;
+use warnings;
+use Test::More tests => 10;
+
+# Create the rc file.
+if (open my $fh, '>', 'dep.rc')
+{
+  print $fh "data.location=.\n";
+  close $fh;
+  ok (-r 'dep.rc', 'Created dep.rc');
+}
+
+# TODO t 1 dep:2; t info 1 => blocked by 2
+# TODO            t info 2 => blocking 1
+# TODO t 1 dep:2,3,4; t 1 dep:-2,-4,5; t info 1 => blocked by 3,5
+# TODO t 1 dep:2; t 2 dep:1 => error
+
+# Cleanup.
+unlink 'pending.data';
+ok (!-r 'pending.data', 'Removed pending.data');
+
+unlink 'undo.data';
+ok (!-r 'undo.data', 'Removed undo.data');
+
+unlink 'dep.rc';
+ok (!-r 'dep.rc', 'Removed dep.rc');
+
+exit 0;
+
diff --git a/src/tests/hook.format-depends.t b/src/tests/hook.format-depends.t
new file mode 100755
index 000000000..bce01f7ab
--- /dev/null
+++ b/src/tests/hook.format-depends.t
@@ -0,0 +1,82 @@
+#! /usr/bin/perl
+################################################################################
+## task - a command line task list manager.
+##
+## Copyright 2006 - 2010, Paul Beckingham.
+## All rights reserved.
+##
+## This program 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 2 of the License, or (at your option) any later
+## version.
+##
+## This program 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
+## this program; if not, write to the
+##
+##     Free Software Foundation, Inc.,
+##     51 Franklin Street, Fifth Floor,
+##     Boston, MA
+##     02110-1301
+##     USA
+##
+################################################################################
+
+use strict;
+use warnings;
+use Test::More tests => 7;
+
+# Create the rc file.
+if (open my $fh, '>', 'hook.rc')
+{
+  print $fh "data.location=.\n",
+            "hooks=on\n",
+            "hook.format-depends=" . $ENV{'PWD'} . "/hook:depends\n";
+  close $fh;
+  ok (-r 'hook.rc', 'Created hook.rc');
+}
+
+# Create the hook functions.
+if (open my $fh, '>', 'hook')
+{
+  print $fh "function depends (name, value)\n",
+            "  value = '<' .. value .. '>'\n",
+            "  return value, 0, nil\n",
+            "end\n";
+  close $fh;
+  ok (-r 'hook', 'Created hook');
+}
+
+my $output = qx{../task rc:hook.rc version};
+if ($output =~ /PUC-Rio/)
+{
+  qx{../task rc:hook.rc add one};
+  qx{../task rc:hook.rc add two depends:1};
+  $output = qx{../task rc:hook.rc long};
+
+  like ($output, qr/<1>/, 'format-depends hook 1 -> <1>');
+}
+else
+{
+  pass ('format-depends hook 1 -> <1> - skip: no Lua support');
+}
+
+# Cleanup.
+unlink 'pending.data';
+ok (!-r 'pending.data', 'Removed pending.data');
+
+unlink 'undo.data';
+ok (!-r 'undo.data', 'Removed undo.data');
+
+unlink 'hook';
+ok (!-r 'hook', 'Removed hook');
+
+unlink 'hook.rc';
+ok (!-r 'hook.rc', 'Removed hook.rc');
+
+exit 0;
+