[PPL-devel] [GIT] ppl/ppl(master): Added test class Custom_Variable_Stringifier and corresponding example

Enea Zaffanella zaffanella at cs.unipr.it
Tue Aug 7 19:11:11 CEST 2012


Module: ppl/ppl
Branch: master
Commit: a292feb89642e2dcefa1f2092836ca6323e1cb50
URL:    http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=a292feb89642e2dcefa1f2092836ca6323e1cb50

Author: Enea Zaffanella <zaffanella at 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);
+    }
+}




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