/*

     This file is part of Combean.

     Combean 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.

     Combean 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 Foobar; if not, write to the Free Software

     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

 package net.sourceforge.combean.test.mathprog.grooml;

 import groovy.mock.interceptor.StubFor;

 import net.sourceforge.combean.mathprog.grooml.GRow;

 import net.sourceforge.combean.mathprog.grooml.GConstraint;

 import net.sourceforge.combean.mathprog.grooml.GVariables;

 import net.sourceforge.combean.mathprog.grooml.GLPModel;

 import net.sourceforge.combean.mathprog.grooml.GExpression;

 import net.sourceforge.combean.mathprog.grooml.GSimpleExpression;

 class TestGRow extends GroovyTestCase {

         void testGRowDefinedByClosure() {

             GExpression expr = new GSimpleExpression("- 2  x [5]");

             GVariables vars = new GVariables("x", 4..6, [:]) { 1.0 };

             def modelStub = new StubFor(GLPModel);

             modelStub.demand.getVariables { vars };

             GRow r;

             modelStub.use{

                     r = new GRow(expr, new GConstraint("foo", "= 1.0"),

                             new GLPModel(), [:]);

             }

             assertEquals(1, r.numIterations);

             r.expr.evaluate([:]).each{

                 assertToString(it, "-2.0 x[5]");

             }

         }

 }