Module: ppl/ppl Branch: master Commit: a292feb89642e2dcefa1f2092836ca6323e1cb50 URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=a292feb89642e... Author: Enea Zaffanella <zaffanella@cs.unipr.it> Date: Tue Aug 7 19:09:17 2012 +0200 Added test class Custom_Variable_Stringifier and corresponding example for testing customization of Variable output in the Java interface. --- .../Java/tests/Custom_Variable_Stringifier.java | 29 ++++++ interfaces/Java/tests/Makefile.am | 7 ++- interfaces/Java/tests/Variable_Output_test1.java | 94 ++++++++++++++++++++ 3 files changed, 129 insertions(+), 1 deletions(-) diff --git a/interfaces/Java/tests/Custom_Variable_Stringifier.java b/interfaces/Java/tests/Custom_Variable_Stringifier.java new file mode 100644 index 0000000..f13e27c --- /dev/null +++ b/interfaces/Java/tests/Custom_Variable_Stringifier.java @@ -0,0 +1,29 @@ +/* A class providing customized variable output for Java. + Copyright (C) 2010-2012 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://bugseng.com/products/ppl/ . */ + +import parma_polyhedra_library.*; + +public class Custom_Variable_Stringifier implements Variable_Stringifier { + public String stringify(int var_id) { + return "Var_" + var_id; + } +} diff --git a/interfaces/Java/tests/Makefile.am b/interfaces/Java/tests/Makefile.am index 99c9f2d..62d182f 100644 --- a/interfaces/Java/tests/Makefile.am +++ b/interfaces/Java/tests/Makefile.am @@ -49,7 +49,9 @@ PIP_Problem_test1.java \ Parma_Polyhedra_Library_test1.java \ Parma_Polyhedra_Library_test2.java \ PPL_Test.java \ -ppl_java_tests_common +ppl_java_tests_common \ +Custom_Variable_Stringifier.java \ +Variable_Output_test1.java if ENABLE_SHARED @@ -62,6 +64,8 @@ MIP_Problem_test1.java \ PIP_Problem_test1.java \ Parma_Polyhedra_Library_test1.java \ Parma_Polyhedra_Library_test2.java \ +Custom_Variable_Stringifier.java \ +Variable_Output_test1.java \ PPL_Test.java CLASSPATH = ../ppl_java.jar:. @@ -88,6 +92,7 @@ check-local: ppl_java_generated_tests.java $(java_test_environment) PIP_Problem_test1 $(java_test_environment) Parma_Polyhedra_Library_test1 $(java_test_environment) Parma_Polyhedra_Library_test2 + $(java_test_environment) Variable_Output_test1 CLEANFILES = \ ppl_java_generated_tests.java diff --git a/interfaces/Java/tests/Variable_Output_test1.java b/interfaces/Java/tests/Variable_Output_test1.java new file mode 100644 index 0000000..addac43 --- /dev/null +++ b/interfaces/Java/tests/Variable_Output_test1.java @@ -0,0 +1,94 @@ +/* Test customization of variable output in Java. + Copyright (C) 2010-2012 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://bugseng.com/products/ppl/ . */ + +import parma_polyhedra_library.*; + +public class Variable_Output_test1 { + static { + try { + System.loadLibrary("ppl_java"); + } + catch (UnsatisfiedLinkError e) { + System.out.println("Unable to load the library"); + System.out.println(e.getMessage()); + System.exit(-1); + } + } + + public static boolean test01() { + Variable A = new Variable(0); + Variable B = new Variable(1); + Variable C = new Variable(2); + Linear_Expression_Variable le_a = new Linear_Expression_Variable(A); + Coefficient coeff_1 = new Coefficient(1); + Linear_Expression le_1 = new Linear_Expression_Coefficient(coeff_1); + Constraint con + = new Constraint(le_a, Relation_Symbol.GREATER_OR_EQUAL, le_1); + C_Polyhedron ph = new C_Polyhedron(1, Degenerate_Element.UNIVERSE); + ph.add_constraint(con); + boolean ok = false; + + // Printing with default output function. + ok = (A.toString().equals("A") && + B.toString().equals("B") && + C.toString().equals("C") && + con.toString().equals("A >= 1") && + ph.toString().equals("A >= 1")); + if (!ok) + return false; + + // Changing output function to custom one. + Variable_Stringifier vs = new Custom_Variable_Stringifier(); + Variable.setStringifier(vs); + + ok = (A.toString().equals("Var_0") && + B.toString().equals("Var_1") && + C.toString().equals("Var_2") && + con.toString().equals("Var_0 >= 1") && + ph.toString().equals("Var_0 >= 1")); + if (!ok) + return false; + + // Restoring default output function. + Variable.setStringifier(null); + + ok = (A.toString().equals("A") && + B.toString().equals("B") && + C.toString().equals("C") && + con.toString().equals("A >= 1") && + ph.toString().equals("A >= 1")); + if (!ok) + return false; + + return ok; + } + + public static void main(String[] args) { + Parma_Polyhedra_Library.initialize_library(); + boolean test_result_ok = + Test_Executor.executeTests(Variable_Output_test1.class); + Parma_Polyhedra_Library.finalize_library(); + if (!test_result_ok) + System.exit(1); + System.exit(0); + } +}