Merge kripketest, graphtest and ltltest into tests

* README, configure.ac, iface/ltsmin/Makefile.am,
src/tests/defs.in, src/tests/.gitignore, src/tests/Makefile.am,
src/Makefile.am: update references.
* src/kripketest/.gitignore, src/kripketest/Makefile.am,
src/kripketest/defs.in, src/graphtest/.gitignore,
src/graphtest/Makefile.am,
src/graphtest/defs.in, src/ltltest/.cvsignore,
src/ltltest/.gitignore, src/ltltest/Makefile.am,
src/ltltest/defs.in:: remove files.
* src/kripketest/bad_parsing.test, src/kripketest/kripke.test,
src/kripketest/origin, src/kripketest/parse_print_test.cc,
src/ltltest/bare.test, src/ltltest/consterm.cc,
src/ltltest/consterm.test, src/tests/defs.in,
src/ltltest/equals.test, src/ltltest/equalsf.cc,
src/ltltest/eventuniv.test, src/ltltest/exclusive-ltl.test,
src/graphtest/graph.cc, src/graphtest/graph.test,
src/ltltest/isop.test, src/ltltest/kind.cc,
src/ltltest/kind.test, src/ltltest/latex.test,
src/ltltest/lbt.test, src/ltltest/length.cc,
src/ltltest/length.test, src/ltltest/lenient.test,
src/ltltest/ltlcrossgrind.test, src/ltltest/ltlfilt.test,
src/ltltest/ltlgrind.test, src/ltltest/ltlrel.cc,
src/ltltest/ltlrel.test, src/ltltest/lunabbrev.test,
src/ltltest/nenoform.test, src/graphtest/ngraph.cc,
src/graphtest/ngraph.test, src/ltltest/parse.test,
src/ltltest/parseerr.test, src/ltltest/rand.test,
src/ltltest/readltl.cc, src/ltltest/reduc.cc,
src/ltltest/reduc.test, src/ltltest/reduc0.test,
src/ltltest/reduccmp.test, src/ltltest/reducpsl.test,
src/ltltest/remove_x.test, src/ltltest/stutter-ltl.test,
src/ltltest/syntimpl.cc, src/ltltest/syntimpl.test,
src/graphtest/tgbagraph.test, src/ltltest/tostring.cc,
src/ltltest/tostring.test, src/ltltest/tunabbrev.test,
src/ltltest/tunenoform.test, src/graphtest/twagraph.cc,
src/ltltest/unabbrevwm.test,src/ltltest/utf8.test,
src/ltltest/uwrm.test: rename as...
* src/tests/bad_parsing.test, src/tests/kripke.test,
src/tests/origin, src/tests/parse_print_test.cc,
src/tests/bare.test, src/tests/consterm.cc,
src/tests/consterm.test, src/tests/equals.test,
src/tests/equalsf.cc, src/tests/eventuniv.test,
src/tests/exclusive-ltl.test, src/tests/graph.cc,
src/tests/graph.test, src/tests/isop.test,
src/tests/kind.cc, src/tests/kind.test,
src/tests/latex.test, src/tests/lbt.test,
src/tests/length.cc, src/tests/length.test,
src/tests/lenient.test, src/tests/ltlcrossgrind.test,
src/tests/ltlfilt.test, src/tests/ltlgrind.test,
src/tests/ltlrel.cc, src/tests/ltlrel.test,
src/tests/lunabbrev.test, src/tests/nenoform.test,
src/tests/ngraph.cc, src/tests/ngraph.test,
src/tests/parse.test, src/tests/parseerr.test,
src/tests/rand.test, src/tests/readltl.cc,
src/tests/reduc.cc, src/tests/reduc.test,
src/tests/reduc0.test, src/tests/reduccmp.test,
src/tests/reducpsl.test, src/tests/remove_x.test,
src/tests/stutter-ltl.test, src/tests/syntimpl.cc,
src/tests/syntimpl.test, src/tests/tgbagraph.test,
src/tests/tostring.cc, src/tests/tostring.test,
src/tests/tunabbrev.test, src/tests/tunenoform.test,
src/tests/twagraph.cc, src/tests/unabbrevwm.test,
src/tests/utf8.test, src/tests/uwrm.test: ...these!

src/tests/twagraph.cc

@@ -0,0 +1,95 @@
+// -*- coding: utf-8 -*-
+// Copyright (C) 2014 Laboratoire de Recherche et Développement de
+// l'Epita.
+//
+// This file is part of Spot, a model checking library.
+//
+// Spot 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.
+//
+// Spot 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, see <http://www.gnu.org/licenses/>.
+
+
+#include <iostream>
+#include "twa/twagraph.hh"
+#include "twaalgos/dotty.hh"
+#include "ltlenv/defaultenv.hh"
+
+void f1()
+{
+  auto d = spot::make_bdd_dict();
+
+  auto& e = spot::ltl::default_environment::instance();
+
+  auto tg = make_twa_graph(d);
+
+  auto* f1 = e.require("p1");
+  auto* f2 = e.require("p2");
+  bdd p1 = bdd_ithvar(d->register_proposition(f1, tg));
+  bdd p2 = bdd_ithvar(d->register_proposition(f2, tg));
+  tg->acc().add_sets(2);
+  f1->destroy();
+  f2->destroy();
+
+  auto s1 = tg->new_state();
+  auto s2 = tg->new_state();
+  auto s3 = tg->new_state();
+  tg->new_transition(s1, s1, bddfalse, 0U);
+  tg->new_transition(s1, s2, p1, 0U);
+  tg->new_transition(s1, s3, p2, tg->acc().mark(1));
+  tg->new_transition(s2, s3, p1 & p2, tg->acc().mark(0));
+  tg->new_transition(s3, s1, p1 | p2, tg->acc().marks({0, 1}));
+  tg->new_transition(s3, s2, p1 >> p2, 0U);
+  tg->new_transition(s3, s3, bddtrue, tg->acc().marks({0, 1}));
+
+  spot::dotty_reachable(std::cout, tg);
+
+  {
+    auto i = tg->get_graph().out_iteraser(s3);
+    ++i;
+    i.erase();
+    i.erase();
+    assert(!i);
+    spot::dotty_reachable(std::cout, tg);
+  }
+
+  {
+    auto i = tg->get_graph().out_iteraser(s3);
+    i.erase();
+    assert(!i);
+    spot::dotty_reachable(std::cout, tg);
+  }
+
+  auto all = tg->acc().marks({0, 1});
+  tg->new_transition(s3, s1, p1 | p2, all);
+  tg->new_transition(s3, s2, p1 >> p2, 0U);
+  tg->new_transition(s3, s1, bddtrue, all);
+
+  std::cerr << tg->num_transitions() << '\n';
+  assert(tg->num_transitions() == 7);
+
+  spot::dotty_reachable(std::cout, tg);
+  tg->merge_transitions();
+  spot::dotty_reachable(std::cout, tg);
+
+  std::cerr << tg->num_transitions() << '\n';
+  assert(tg->num_transitions() == 5);
+
+  // Add enough states so that the state vector is reallocated.
+  for (unsigned i = 0; i < 100; ++i)
+    tg->new_state();
+  spot::dotty_reachable(std::cout, tg);
+}
+
+int main()
+{
+  f1();
+}