Imported Upstream version 0.11.2upstream/0.11.2upstream

1 files changed, 239 insertions, 0 deletions

diff --git a/tests/Grid/expandspacedim1.cc b/tests/Grid/expandspacedim1.cc
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+/* Test Grid::expand_space_dimension().
+   Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
+   Copyright (C) 2010-2011 BUGSENG srl (http://bugseng.com)
+
+This file is part of the Parma Polyhedra Library (PPL).
+
+The PPL 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.
+
+The PPL 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 02111-1307, USA.
+
+For the most up-to-date information see the Parma Polyhedra Library
+site: http://www.cs.unipr.it/ppl/ . */
+
+#include "ppl_test.hh"
+
+namespace {
+
+// Universe.
+bool
+test01() {
+  Variable A(0);
+
+  Grid gr(3);
+  print_congruences(gr, "*** gr ***");
+
+  gr.expand_space_dimension(A, 1);
+
+  Grid known_gr(4);
+
+  bool ok = (gr == known_gr);
+  print_congruences(gr, "*** gr.expand_space_dimension(A, 1) ***");
+
+  return ok;
+}
+
+// Empty.
+bool
+test02() {
+  Variable B(1);
+
+  Grid gr(3, EMPTY);
+  print_congruences(gr, "*** gr ***");
+
+  gr.expand_space_dimension(B, 1);
+
+  Grid known_gr(4, EMPTY);
+
+  bool ok = (gr == known_gr);
+  print_congruences(gr, "*** gr.expand_space_dimension(B, 1) ***");
+
+  return ok;
+}
+
+// Trivial expansion.
+bool
+test03() {
+  Variable A(0);
+  Variable B(1);
+
+  Grid gr(2);
+  gr.add_congruence(A %= 0);
+  gr.add_congruence(A + B %= 2);
+
+  gr.expand_space_dimension(A, 0);
+
+  Grid known_gr(2);
+  known_gr.add_congruence(A %= 0);
+  known_gr.add_congruence(A + B %= 2);
+
+  bool ok = (gr == known_gr);
+  print_congruences(gr, "*** gr.expand_space_dimension(A, 0) ***");
+
+  return ok;
+}
+
+// From generators, expanding one dimension.
+bool
+test04() {
+  Variable A(0);
+  Variable B(1);
+  Variable C(2);
+
+  Grid gr(2, EMPTY);
+  gr.add_grid_generator(grid_point(A));
+  gr.add_grid_generator(grid_point(A + 2*B));
+  gr.add_grid_generator(grid_point());
+  print_generators(gr, "*** gr ***");
+
+  gr.expand_space_dimension(A, 1);
+
+  Grid known_gr(3, EMPTY);
+  known_gr.add_grid_generator(grid_point());
+  known_gr.add_grid_generator(grid_point(A));
+  known_gr.add_grid_generator(grid_point(A + 2*B));
+  known_gr.add_grid_generator(grid_point(C));
+
+  bool ok = (gr == known_gr);
+  print_congruences(gr, "*** gr.expand_space_dimension(A, 1) ***");
+
+  return ok;
+}
+
+// From congruences, expanding one dimension.
+bool
+test05() {
+  Variable A(0);
+  Variable B(1);
+  Variable C(2);
+
+  Grid gr(2);
+  gr.add_congruence((A + B %= 2) / 7);
+  print_generators(gr, "***  ***");
+
+  gr.expand_space_dimension(A, 1);
+
+  Grid known_gr(3);
+  known_gr.add_congruence((A + B     %= 2) / 7);
+  known_gr.add_congruence((    B + C %= 2) / 7);
+
+  bool ok = (gr == known_gr);
+  print_congruences(gr, "*** gr.expand_space_dimension(A, 1) ***");
+
+  return ok;
+}
+
+// From congruences, expanding two dimensions.
+bool
+test06() {
+  Variable A(0);
+  Variable B(1);
+  Variable C(2);
+  Variable D(3);
+
+  Grid gr(2);
+  gr.add_congruence((A + 2*B %= 3) / 5);
+  print_generators(gr, "***  ***");
+
+  gr.expand_space_dimension(B, 2);
+
+  Grid known_gr(4);
+  known_gr.add_congruence((A + 2*B             %= 3) / 5);
+  known_gr.add_congruence((A       + 2*C       %= 3) / 5);
+  known_gr.add_congruence((A             + 2*D %= 3) / 5);
+
+  bool ok = (gr == known_gr);
+  print_congruences(gr, "*** gr.expand_space_dimension(B, 2) ***");
+
+  return ok;
+}
+
+// From congruences, with an equality.
+bool
+test07() {
+  Variable A(0);
+  Variable B(1);
+  Variable C(2);
+  Variable D(3);
+  Variable E(4);
+
+  Grid gr(3);
+  gr.add_constraint(2*C == 1);
+  gr.add_congruence(A - B %= 0);
+
+  gr.expand_space_dimension(A, 1);
+  gr.expand_space_dimension(C, 1);
+
+  Grid known_gr(5);
+  known_gr.add_constraint(2*C == 1);
+  known_gr.add_constraint(2*E == 1);
+  known_gr.add_congruence(A - B         %= 0);
+  known_gr.add_congruence(  - B + D     %= 0);
+
+  bool ok = (gr == known_gr);
+  print_congruences(gr, "*** gr.expand_space_dimension(...) ***");
+
+  return ok;
+}
+
+// Variable of higher space dimension than grid.
+bool
+test08() {
+  Variable B(1);
+
+  Grid gr(1, EMPTY);
+
+  try {
+    gr.expand_space_dimension(B, 3);
+  }
+  catch (const std::invalid_argument& e) {
+    nout << "invalid_argument: " << e.what() << endl;
+    return true;
+  }
+  catch (...) {
+  }
+  return false;
+}
+
+// Add more dimensions than are available.
+bool
+test09() {
+  Variable B(1);
+
+  Grid gr(10, EMPTY);
+
+  try {
+    gr.expand_space_dimension(B, Grid::max_space_dimension());
+  }
+  catch (const std::length_error& e) {
+    nout << "length_error: " << e.what() << endl;
+    return true;
+  }
+  catch (...) {
+  }
+  return false;
+}
+
+} // namespace
+
+BEGIN_MAIN
+  DO_TEST(test01);
+  DO_TEST(test02);
+  DO_TEST(test03);
+  DO_TEST(test04);
+  DO_TEST(test05);
+  DO_TEST(test06);
+  DO_TEST(test07);
+  DO_TEST(test08);
+  DO_TEST(test09);
+END_MAIN