/*
 * @file    TestASTNode.java
 * @brief   ASTNode unit tests
 *
 * @author  Akiya Jouraku (Java conversion)
 * @author  Ben Bornstein 
 * 
 * ====== WARNING ===== WARNING ===== WARNING ===== WARNING ===== WARNING ======
 *
 * DO NOT EDIT THIS FILE.
 *
 * This file was generated automatically by converting the file located at
 * src/math/test/TestASTNode.c
 * using the conversion program dev/utilities/translateTests/translateTests.pl.
 * Any changes made here will be lost the next time the file is regenerated.
 *
 * -----------------------------------------------------------------------------
 * This file is part of libSBML.  Please visit http://sbml.org for more
 * information about SBML, and the latest version of libSBML.
 *
 * Copyright (C) 2020 jointly by the following organizations:
 *     1. California Institute of Technology, Pasadena, CA, USA
 *     2. University of Heidelberg, Heidelberg, Germany
 *     3. University College London, London, UK
 *
 * Copyright 2005-2010 California Institute of Technology.
 * Copyright 2002-2005 California Institute of Technology and
 *                     Japan Science and Technology Corporation.
 * 
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.  A copy of the license agreement is provided
 * in the file named "LICENSE.txt" included with this software distribution
 * and also available online as http://sbml.org/software/libsbml/license.html
 * -----------------------------------------------------------------------------
 */

package org.sbml.libsbml.test.math;

import org.sbml.libsbml.*;

import java.io.File;
import java.lang.AssertionError;

public class TestASTNode {

  static void assertTrue(boolean condition) throws AssertionError
  {
    if (condition == true)
    {
      return;
    }
    throw new AssertionError();
  }

  static void assertEquals(Object a, Object b) throws AssertionError
  {
    if ( (a == null) && (b == null) )
    {
      return;
    }
    else if ( (a == null) || (b == null) )
    {
      throw new AssertionError();
    }
    else if (a.equals(b))
    {
      return;
    }

    throw new AssertionError();
  }

  static void assertNotEquals(Object a, Object b) throws AssertionError
  {
    if ( (a == null) && (b == null) )
    {
      throw new AssertionError();
    }
    else if ( (a == null) || (b == null) )
    {
      return;
    }
    else if (a.equals(b))
    {
      throw new AssertionError();
    }
  }

  static void assertEquals(boolean a, boolean b) throws AssertionError
  {
    if ( a == b )
    {
      return;
    }
    throw new AssertionError();
  }

  static void assertNotEquals(boolean a, boolean b) throws AssertionError
  {
    if ( a != b )
    {
      return;
    }
    throw new AssertionError();
  }

  static void assertEquals(int a, int b) throws AssertionError
  {
    if ( a == b )
    {
      return;
    }
    throw new AssertionError();
  }

  static void assertNotEquals(int a, int b) throws AssertionError
  {
    if ( a != b )
    {
      return;
    }
    throw new AssertionError();
  }

  public static final double DBL_EPSILON =  2.2204460492503131e-016;

  public void test_ASTNode_addChild1()
  {
    ASTNode node = new  ASTNode();
    ASTNode c1 = new  ASTNode();
    ASTNode c2 = new  ASTNode();
    ASTNode c1_1 = new  ASTNode();
    int i = 0;
    node.setType(libsbml.AST_LOGICAL_AND);
    c1.setName( "a");
    c2.setName( "b");
    node.addChild(c1);
    node.addChild(c2);
    assertTrue( node.getNumChildren() == 2 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, b)"));
    c1_1.setName( "d");
    i = node.addChild(c1_1);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 3 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, b, d)"));
    assertTrue(node.getChild(0).getName().equals( "a"));
    assertTrue(node.getChild(1).getName().equals( "b"));
    assertTrue(node.getChild(2).getName().equals( "d"));
    node = null;
  }

  public void test_ASTNode_addSemanticsAnnotation()
  {
    XMLNode ann = new XMLNode();
    ASTNode node = new  ASTNode();
    int i = 0;
    i = node.addSemanticsAnnotation(ann);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumSemanticsAnnotations() == 1 );
    i = node.addSemanticsAnnotation(null);
    assertTrue( i == libsbml.LIBSBML_OPERATION_FAILED );
    assertTrue( node.getNumSemanticsAnnotations() == 1 );
    node = null;
  }

  public void test_ASTNode_avogadro()
  {
    ASTNode n = new  ASTNode();
    n.setType(libsbml.AST_NAME_AVOGADRO);
    n.setName( "NA");
    assertTrue(n.getName().equals( "NA"));
    double val = n.getReal();
    assertTrue( val == 6.02214179e23 );
    assertTrue(true == n.isConstant());
    n = null;
  }

  public void test_ASTNode_avogadro_bug()
  {
    ASTNode n = new  ASTNode();
    n.setName( "NA");
    n.setType(libsbml.AST_NAME_AVOGADRO);
    assertTrue(n.getName().equals( "NA"));
    double val = n.getReal();
    assertTrue( val == 6.02214179e23 );
    assertTrue(true == n.isConstant());
    n = null;
  }

  public void test_ASTNode_canonicalizeConstants()
  {
    ASTNode n = new  ASTNode();
    n.setName( "ExponentialE");
    assertEquals( true, n.isName() );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_CONSTANT_E );
    n.setType(libsbml.AST_NAME);
    n.setName( "False");
    assertEquals( true, n.isName() );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_CONSTANT_FALSE );
    n.setType(libsbml.AST_NAME);
    n.setName( "Pi");
    assertEquals( true, n.isName() );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_CONSTANT_PI );
    n.setType(libsbml.AST_NAME);
    n.setName( "True");
    assertEquals( true, n.isName() );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_CONSTANT_TRUE );
    n.setType(libsbml.AST_NAME);
    n.setName( "Foo");
    assertEquals( true, n.isName() );
    n.canonicalize();
    assertEquals( true, n.isName() );
    n = null;
  }

  public void test_ASTNode_canonicalizeFunctions()
  {
    ASTNode n = new  ASTNode(libsbml.AST_FUNCTION);
    n.setName( "abs");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ABS );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arccos");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCCOS );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arccosh");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCCOSH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arccot");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCCOT );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arccoth");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCCOTH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arccsc");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCCSC );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arccsch");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCCSCH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arcsec");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCSEC );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arcsech");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCSECH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arcsin");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCSIN );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arcsinh");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCSINH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arctan");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCTAN );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "arctanh");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCTANH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "ceiling");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_CEILING );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "cos");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_COS );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "cosh");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_COSH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "cot");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_COT );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "coth");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_COTH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "csc");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_CSC );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "csch");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_CSCH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "exp");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_EXP );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "factorial");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_FACTORIAL );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "floor");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_FLOOR );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "lambda");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_LAMBDA );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "ln");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_LN );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "log");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_LOG );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "piecewise");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_PIECEWISE );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "power");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_POWER );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "root");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ROOT );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "sec");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_SEC );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "sech");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_SECH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "sin");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_SIN );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "sinh");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_SINH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "tan");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_TAN );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "tanh");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_TANH );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "Foo");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n = null;
  }

  public void test_ASTNode_canonicalizeFunctionsL1()
  {
    ASTNode n = new  ASTNode(libsbml.AST_FUNCTION);
    ASTNode c;
    n.setName( "acos");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCCOS );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "asin");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCSIN );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "atan");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ARCTAN );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "ceil");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_CEILING );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "pow");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_POWER );
    n = null;
    n = new  ASTNode(libsbml.AST_FUNCTION);
    n.setName( "log");
    c = new  ASTNode();
    c.setName( "x");
    n.addChild(c);
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    assertTrue( n.getNumChildren() == 1 );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_LN );
    assertTrue( n.getNumChildren() == 1 );
    n.setType(libsbml.AST_FUNCTION);
    c = new  ASTNode();
    c.setName( "y");
    n.addChild(c);
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    assertTrue( n.getNumChildren() == 2 );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_LOG );
    n = null;
    n = new  ASTNode(libsbml.AST_FUNCTION);
    n.setName( "log10");
    c = new  ASTNode();
    c.setName( "x");
    n.addChild(c);
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    assertTrue( n.getNumChildren() == 1 );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_LOG );
    assertTrue( n.getNumChildren() == 2 );
    c = n.getLeftChild();
    assertTrue( c.getType() == libsbml.AST_INTEGER );
    assertTrue( c.getInteger() == 10 );
    c = n.getRightChild();
    assertTrue( c.getType() == libsbml.AST_NAME );
    assertTrue(c.getName().equals( "x"));
    n = null;
    n = new  ASTNode(libsbml.AST_FUNCTION);
    n.setName( "sqr");
    c = new  ASTNode();
    c.setName( "x");
    n.addChild(c);
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    assertTrue( n.getNumChildren() == 1 );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_POWER );
    assertTrue( n.getNumChildren() == 2 );
    c = n.getLeftChild();
    assertTrue( c.getType() == libsbml.AST_NAME );
    assertTrue(c.getName().equals( "x"));
    c = n.getRightChild();
    assertTrue( c.getType() == libsbml.AST_INTEGER );
    assertTrue( c.getInteger() == 2 );
    n = null;
    n = new  ASTNode(libsbml.AST_FUNCTION);
    n.setName( "sqrt");
    c = new  ASTNode();
    c.setName( "x");
    n.addChild(c);
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    assertTrue( n.getNumChildren() == 1 );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_FUNCTION_ROOT );
    assertTrue( n.getNumChildren() == 2 );
    c = n.getLeftChild();
    assertTrue( c.getType() == libsbml.AST_INTEGER );
    assertTrue( c.getInteger() == 2 );
    c = n.getRightChild();
    assertTrue( c.getType() == libsbml.AST_NAME );
    assertTrue(c.getName().equals( "x"));
    n = null;
  }

  public void test_ASTNode_canonicalizeLogical()
  {
    ASTNode n = new  ASTNode(libsbml.AST_FUNCTION);
    n.setName( "and");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_LOGICAL_AND );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "not");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_LOGICAL_NOT );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "or");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_LOGICAL_OR );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "xor");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_LOGICAL_XOR );
    n.setType(libsbml.AST_FUNCTION);
    n = null;
  }

  public void test_ASTNode_canonicalizeRelational()
  {
    ASTNode n = new  ASTNode(libsbml.AST_FUNCTION);
    n.setName( "eq");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_RELATIONAL_EQ );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "geq");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_RELATIONAL_GEQ );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "gt");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_RELATIONAL_GT );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "leq");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_RELATIONAL_LEQ );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "lt");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_RELATIONAL_LT );
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "neq");
    assertTrue( n.getType() == libsbml.AST_FUNCTION );
    n.canonicalize();
    assertTrue( n.getType() == libsbml.AST_RELATIONAL_NEQ );
    n.setType(libsbml.AST_FUNCTION);
    n = null;
  }

  public void test_ASTNode_children()
  {
    ASTNode parent = new  ASTNode();
    ASTNode left = new  ASTNode();
    ASTNode right = new  ASTNode();
    ASTNode right2 = new  ASTNode();
    parent.setType(libsbml.AST_PLUS);
    left.setValue(1);
    right.setValue(2);
    right2.setValue(3);
    parent.addChild(left);
    parent.addChild(right);
    assertTrue( parent.getNumChildren() == 2 );
    assertTrue( left.getNumChildren() == 0 );
    assertTrue( right.getNumChildren() == 0 );
    assertTrue( parent.getLeftChild().equals(left) );
    assertTrue( parent.getRightChild().equals(right) );
    assertTrue( parent.getChild(0).equals(left) );
    assertTrue( parent.getChild(1).equals(right) );
    assertTrue( parent.getChild(2) == null );
    parent.addChild(right2);
    assertTrue( parent.getNumChildren() == 3 );
    assertTrue( left.getNumChildren() == 0 );
    assertTrue( right.getNumChildren() == 0 );
    assertTrue( right2.getNumChildren() == 0 );
    assertTrue( parent.getLeftChild().equals(left) );
    assertTrue( parent.getRightChild().equals(right2) );
    assertTrue( parent.getChild(0).equals(left) );
    assertTrue( parent.getChild(1).equals(right) );
    assertTrue( parent.getChild(2).equals(right2) );
    assertTrue( parent.getChild(3) == null );
    parent = null;
  }

  public void test_ASTNode_create()
  {
    ASTNode n = new  ASTNode();
    EventAssignment ea = new  EventAssignment(2,4);
    assertTrue( n.getType() == libsbml.AST_UNKNOWN );
    assertTrue( n.getCharacter() == '\0' );
    assertTrue( n.getName() == null );
    assertTrue( n.getInteger() == 0 );
    assertTrue( n.getExponent() == 0 );
    assertTrue( n.getNumChildren() == 0 );
    assertTrue( n.getParentSBMLObject() == null );
    ea = null;
    n = null;
  }

  public void test_ASTNode_deepCopy_1()
  {
    ASTNode node = new  ASTNode();
    ASTNode child, copy;
    node.setCharacter( '+');
    node.addChild(new  ASTNode());
    node.addChild(new  ASTNode());
    node.getLeftChild().setValue(1);
    node.getRightChild().setValue(2);
    assertTrue( node.getType() == libsbml.AST_PLUS );
    assertTrue( node.getCharacter() == '+' );
    assertTrue( node.getNumChildren() == 2 );
    child = node.getLeftChild();
    assertTrue( child.getType() == libsbml.AST_INTEGER );
    assertTrue( child.getInteger() == 1 );
    assertTrue( child.getNumChildren() == 0 );
    child = node.getRightChild();
    assertTrue( child.getType() == libsbml.AST_INTEGER );
    assertTrue( child.getInteger() == 2 );
    assertTrue( child.getNumChildren() == 0 );
    copy = (ASTNode)node.deepCopy();
    assertTrue( !copy.equals(node) );
    assertTrue( copy.getType() == libsbml.AST_PLUS );
    assertTrue( copy.getCharacter() == '+' );
    assertTrue( copy.getNumChildren() == 2 );
    child = copy.getLeftChild();
    assertTrue( !child.equals(node.getLeftChild()) );
    assertTrue( child.getType() == libsbml.AST_INTEGER );
    assertTrue( child.getInteger() == 1 );
    assertTrue( child.getNumChildren() == 0 );
    child = copy.getRightChild();
    assertTrue( !child.equals(node.getRightChild()) );
    assertTrue( child.getType() == libsbml.AST_INTEGER );
    assertTrue( child.getInteger() == 2 );
    assertTrue( child.getNumChildren() == 0 );
    node = null;
    copy = null;
  }

  public void test_ASTNode_deepCopy_2()
  {
    ASTNode node = new  ASTNode();
    ASTNode copy;
    node.setName( "Foo");
    assertTrue( node.getType() == libsbml.AST_NAME );
    assertTrue(node.getName().equals( "Foo"));
    assertTrue( node.getNumChildren() == 0 );
    copy = (ASTNode)node.deepCopy();
    assertTrue( !copy.equals(node) );
    assertTrue( copy.getType() == libsbml.AST_NAME );
    assertTrue(copy.getName().equals( "Foo"));
    assertTrue( copy.getNumChildren() == 0 );
    node = null;
    copy = null;
  }

  public void test_ASTNode_deepCopy_3()
  {
    ASTNode node = new  ASTNode(libsbml.AST_FUNCTION);
    ASTNode copy;
    node.setName( "Foo");
    assertTrue( node.getType() == libsbml.AST_FUNCTION );
    assertTrue(node.getName().equals( "Foo"));
    assertTrue( node.getNumChildren() == 0 );
    copy = (ASTNode)node.deepCopy();
    assertTrue( !copy.equals(node) );
    assertTrue( copy.getType() == libsbml.AST_FUNCTION );
    assertTrue(copy.getName().equals( "Foo"));
    assertTrue( copy.getNumChildren() == 0 );
    node = null;
    copy = null;
  }

  public void test_ASTNode_deepCopy_4()
  {
    ASTNode node = new  ASTNode(libsbml.AST_FUNCTION_ABS);
    ASTNode copy;
    node.setName( "ABS");
    assertTrue( node.getType() == libsbml.AST_FUNCTION_ABS );
    assertTrue(node.getName().equals( "ABS"));
    assertTrue( node.getNumChildren() == 0 );
    copy = (ASTNode)node.deepCopy();
    assertTrue( !copy.equals(node) );
    assertTrue( copy.getType() == libsbml.AST_FUNCTION_ABS );
    assertTrue(copy.getName().equals( "ABS"));
    assertTrue( copy.getNumChildren() == 0 );
    node = null;
    copy = null;
  }

  public void test_ASTNode_freeName()
  {
    ASTNode node = new  ASTNode();
    int i = 0;
    i = node.setName( "a");
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue(libsbml.formulaToString(node).equals( "a"));
    assertTrue(node.getName().equals( "a"));
    i = node.freeName();
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getName() == null );
    i = node.freeName();
    assertTrue( i == libsbml.LIBSBML_UNEXPECTED_ATTRIBUTE );
    assertTrue( node.getName() == null );
    node.setType(libsbml.AST_UNKNOWN);
    i = node.freeName();
    assertTrue( i == libsbml.LIBSBML_UNEXPECTED_ATTRIBUTE );
    assertTrue( node.getName() == null );
    node = null;
  }

  public void test_ASTNode_free_NULL()
  {
  }

  public void test_ASTNode_getName()
  {
    ASTNode n = new  ASTNode();
    n.setName( "foo");
    assertTrue(n.getName().equals( "foo"));
    n.setType(libsbml.AST_NAME_TIME);
    assertTrue(n.getName().equals( "foo"));
    n.setName(null);
    assertTrue( n.getName() == null );
    n.setType(libsbml.AST_CONSTANT_E);
    assertTrue(n.getName().equals( "exponentiale"));
    n.setType(libsbml.AST_CONSTANT_FALSE);
    assertTrue(n.getName().equals( "false"));
    n.setType(libsbml.AST_CONSTANT_PI);
    assertTrue(n.getName().equals( "pi"));
    n.setType(libsbml.AST_CONSTANT_TRUE);
    assertTrue(n.getName().equals( "true"));
    n.setType(libsbml.AST_LAMBDA);
    assertTrue(n.getName().equals( "lambda"));
    n.setType(libsbml.AST_FUNCTION);
    n.setName( "f");
    assertTrue(n.getName().equals( "f"));
    n.setType(libsbml.AST_FUNCTION_DELAY);
    assertTrue(n.getName().equals( "f"));
    n.setName(null);
    assertTrue(n.getName().equals( "delay"));
    n.setType(libsbml.AST_FUNCTION);
    assertTrue( n.getName() == null );
    n.setType(libsbml.AST_FUNCTION_ABS);
    assertTrue(n.getName().equals( "abs"));
    n.setType(libsbml.AST_FUNCTION_ARCCOS);
    assertTrue(n.getName().equals( "arccos"));
    n.setType(libsbml.AST_FUNCTION_TAN);
    assertTrue(n.getName().equals( "tan"));
    n.setType(libsbml.AST_FUNCTION_TANH);
    assertTrue(n.getName().equals( "tanh"));
    n.setType(libsbml.AST_LOGICAL_AND);
    assertTrue(n.getName().equals( "and"));
    n.setType(libsbml.AST_LOGICAL_NOT);
    assertTrue(n.getName().equals( "not"));
    n.setType(libsbml.AST_LOGICAL_OR);
    assertTrue(n.getName().equals( "or"));
    n.setType(libsbml.AST_LOGICAL_XOR);
    assertTrue(n.getName().equals( "xor"));
    n.setType(libsbml.AST_RELATIONAL_EQ);
    assertTrue(n.getName().equals( "eq"));
    n.setType(libsbml.AST_RELATIONAL_GEQ);
    assertTrue(n.getName().equals( "geq"));
    n.setType(libsbml.AST_RELATIONAL_LT);
    assertTrue(n.getName().equals( "lt"));
    n.setType(libsbml.AST_RELATIONAL_NEQ);
    assertTrue(n.getName().equals( "neq"));
    n = null;
  }

  public void test_ASTNode_getPrecedence()
  {
    ASTNode n = new  ASTNode();
    n.setType(libsbml.AST_PLUS);
    assertTrue( n.getPrecedence() == 2 );
    n.setType(libsbml.AST_MINUS);
    assertTrue( n.getPrecedence() == 2 );
    n.setType(libsbml.AST_TIMES);
    assertTrue( n.getPrecedence() == 3 );
    n.setType(libsbml.AST_DIVIDE);
    assertTrue( n.getPrecedence() == 3 );
    n.setType(libsbml.AST_POWER);
    assertTrue( n.getPrecedence() == 4 );
    n.setType(libsbml.AST_MINUS);
    n.addChild(new  ASTNode(libsbml.AST_NAME));
    assertTrue( n.isUMinus() == true );
    assertTrue( n.getPrecedence() == 5 );
    n.setType(libsbml.AST_NAME);
    assertTrue( n.getPrecedence() == 6 );
    n.setType(libsbml.AST_FUNCTION);
    assertTrue( n.getPrecedence() == 6 );
    n = null;
  }

  public void test_ASTNode_getReal()
  {
    ASTNode n = new  ASTNode();
    n.setType(libsbml.AST_REAL);
    n.setValue(1.6);
    assertTrue( n.getReal() == 1.6 );
    n.setType(libsbml.AST_REAL_E);
    n.setValue(12.3,3);
    double val = java.lang.Math.abs(n.getReal() - 12300.0);
    assertTrue( val < DBL_EPSILON );
    n.setType(libsbml.AST_RATIONAL);
    n.setValue(1,2);
    assertTrue( n.getReal() == 0.5 );
    n = null;
  }

  public void test_ASTNode_insertChild()
  {
    ASTNode node = new  ASTNode();
    ASTNode c1 = new  ASTNode();
    ASTNode c2 = new  ASTNode();
    ASTNode c3 = new  ASTNode();
    ASTNode newc = new  ASTNode();
    ASTNode newc1 = new  ASTNode();
    int i = 0;
    node.setType(libsbml.AST_LOGICAL_AND);
    c1.setName( "a");
    c2.setName( "b");
    c3.setName( "c");
    node.addChild(c1);
    node.addChild(c2);
    node.addChild(c3);
    assertTrue( node.getNumChildren() == 3 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, b, c)"));
    newc.setName( "d");
    newc1.setName( "e");
    i = node.insertChild(1,newc);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 4 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, d, b, c)"));
    i = node.insertChild(5,newc);
    assertTrue( i == libsbml.LIBSBML_INDEX_EXCEEDS_SIZE );
    assertTrue( node.getNumChildren() == 4 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, d, b, c)"));
    i = node.insertChild(2,newc1);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 5 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, d, e, b, c)"));
    node = null;
  }

  public void test_ASTNode_isLog10()
  {
    ASTNode n = new  ASTNode();
    ASTNode c;
    n.setType(libsbml.AST_FUNCTION);
    assertTrue( n.isLog10() == false );
    n.setType(libsbml.AST_FUNCTION_LOG);
    assertTrue( n.isLog10() == false );
    c = new  ASTNode();
    n.addChild(c);
    c.setValue(10);
    assertTrue( n.isLog10() == false );
    n.addChild(new  ASTNode());
    assertTrue( n.isLog10() == true );
    c.setValue(2);
    assertTrue( n.isLog10() == false );
    n = null;
  }

  public void test_ASTNode_isSqrt()
  {
    ASTNode n = new  ASTNode();
    ASTNode c;
    n.setType(libsbml.AST_FUNCTION);
    assertTrue( n.isSqrt() == false );
    n.setType(libsbml.AST_FUNCTION_ROOT);
    assertTrue( n.isSqrt() == false );
    c = new  ASTNode();
    n.addChild(c);
    c.setValue(2);
    assertTrue( n.isSqrt() == false );
    n.addChild(new  ASTNode());
    assertTrue( n.isSqrt() == true );
    c.setValue(3);
    assertTrue( n.isSqrt() == false );
    n = null;
  }

  public void test_ASTNode_isUMinus()
  {
    ASTNode n = new  ASTNode();
    n.setType(libsbml.AST_MINUS);
    assertTrue( n.isUMinus() == false );
    n.addChild(new  ASTNode(libsbml.AST_NAME));
    assertTrue( n.isUMinus() == true );
    n = null;
  }

  public void test_ASTNode_no_children()
  {
    ASTNode node = new  ASTNode();
    assertTrue( node.getNumChildren() == 0 );
    assertTrue( node.getLeftChild() == null );
    assertTrue( node.getRightChild() == null );
    assertTrue( node.getChild(0) == null );
    node = null;
  }

  public void test_ASTNode_one_child()
  {
    ASTNode node = new  ASTNode();
    ASTNode child = new  ASTNode();
    node.addChild(child);
    assertTrue( node.getNumChildren() == 1 );
    assertTrue( node.getLeftChild().equals(child) );
    assertTrue( node.getRightChild() == null );
    assertTrue( node.getChild(0).equals(child) );
    assertTrue( node.getChild(1) == null );
    node = null;
  }

  public void test_ASTNode_prependChild1()
  {
    ASTNode node = new  ASTNode();
    ASTNode c1 = new  ASTNode();
    ASTNode c2 = new  ASTNode();
    ASTNode c1_1 = new  ASTNode();
    int i = 0;
    node.setType(libsbml.AST_LOGICAL_AND);
    c1.setName( "a");
    c2.setName( "b");
    node.addChild(c1);
    node.addChild(c2);
    assertTrue( node.getNumChildren() == 2 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, b)"));
    c1_1.setName( "d");
    i = node.prependChild(c1_1);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 3 );
    assertTrue(libsbml.formulaToString(node).equals( "and(d, a, b)"));
    assertTrue(node.getChild(0).getName().equals( "d"));
    assertTrue(node.getChild(1).getName().equals( "a"));
    assertTrue(node.getChild(2).getName().equals( "b"));
    node = null;
  }

  public void test_ASTNode_removeChild()
  {
    ASTNode node = new  ASTNode();
    ASTNode c1 = new  ASTNode();
    ASTNode c2 = new  ASTNode();
    int i = 0;
    node.setType(libsbml.AST_PLUS);
    c1.setName( "foo");
    c2.setName( "foo2");
    node.addChild(c1);
    node.addChild(c2);
    assertTrue( node.getNumChildren() == 2 );
    i = node.removeChild(0);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 1 );
    i = node.removeChild(1);
    assertTrue( i == libsbml.LIBSBML_INDEX_EXCEEDS_SIZE );
    assertTrue( node.getNumChildren() == 1 );
    i = node.removeChild(0);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 0 );
    node = null;
  }

  public void test_ASTNode_replaceChild()
  {
    ASTNode node = new  ASTNode();
    ASTNode c1 = new  ASTNode();
    ASTNode c2 = new  ASTNode();
    ASTNode c3 = new  ASTNode();
    ASTNode newc = new  ASTNode();
    int i = 0;
    node.setType(libsbml.AST_LOGICAL_AND);
    c1.setName( "a");
    c2.setName( "b");
    c3.setName( "c");
    node.addChild(c1);
    node.addChild(c2);
    node.addChild(c3);
    assertTrue( node.getNumChildren() == 3 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, b, c)"));
    newc.setName( "d");
    i = node.replaceChild(0,newc);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 3 );
    assertTrue(libsbml.formulaToString(node).equals( "and(d, b, c)"));
    i = node.replaceChild(3,newc);
    assertTrue( i == libsbml.LIBSBML_INDEX_EXCEEDS_SIZE );
    assertTrue( node.getNumChildren() == 3 );
    assertTrue(libsbml.formulaToString(node).equals( "and(d, b, c)"));
    i = node.replaceChild(1,c1);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 3 );
    assertTrue(libsbml.formulaToString(node).equals( "and(d, a, c)"));
    node = null;
  }

  public void test_ASTNode_setCharacter()
  {
    ASTNode node = new  ASTNode();
    node.setName( "foo");
    assertTrue( node.getType() == libsbml.AST_NAME );
    assertTrue( node.getCharacter() == '\0' );
    assertTrue(node.getName().equals( "foo"));
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setCharacter( '+');
    assertTrue( node.getType() == libsbml.AST_PLUS );
    assertTrue( node.getCharacter() == '+' );
    assertTrue( node.getName() == null );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setCharacter( '-');
    assertTrue( node.getType() == libsbml.AST_MINUS );
    assertTrue( node.getCharacter() == '-' );
    assertTrue( node.getName() == null );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setCharacter( '*');
    assertTrue( node.getType() == libsbml.AST_TIMES );
    assertTrue( node.getCharacter() == '*' );
    assertTrue( node.getName() == null );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setCharacter( '/');
    assertTrue( node.getType() == libsbml.AST_DIVIDE );
    assertTrue( node.getCharacter() == '/' );
    assertTrue( node.getName() == null );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setCharacter( '^');
    assertTrue( node.getType() == libsbml.AST_POWER );
    assertTrue( node.getCharacter() == '^' );
    assertTrue( node.getName() == null );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setCharacter( '$');
    assertTrue( node.getType() == libsbml.AST_UNKNOWN );
    assertTrue( node.getCharacter() == '$' );
    assertTrue( node.getName() == null );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node = null;
  }

  public void test_ASTNode_setInteger()
  {
    ASTNode node = new  ASTNode();
    node.setName( "foo");
    assertTrue( node.getType() == libsbml.AST_NAME );
    assertTrue(node.getName().equals( "foo"));
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setValue(3.2);
    assertTrue( node.getType() == libsbml.AST_REAL );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getName() == null );
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getReal() == 3.2 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setValue(321);
    assertTrue( node.getType() == libsbml.AST_INTEGER );
    assertTrue( node.getInteger() == 321 );
    assertTrue( node.getName() == null );
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node = null;
  }

  public void test_ASTNode_setName()
  {
    String name =  "foo";
    ASTNode node = new  ASTNode();
    assertTrue( node.getType() == libsbml.AST_UNKNOWN );
    node.setName(name);
    assertTrue( node.getType() == libsbml.AST_NAME );
    assertTrue(node.getName().equals(name));
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    if (node.getName() == name);
    {
    }
    node.setName(null);
    assertTrue( node.getType() == libsbml.AST_NAME );
    if (node.getName() != null);
    {
    }
    node.setType(libsbml.AST_FUNCTION_COS);
    assertTrue( node.getType() == libsbml.AST_FUNCTION_COS );
    assertTrue(node.getName().equals( "cos"));
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node.setType(libsbml.AST_PLUS);
    node.setName(name);
    assertTrue( node.getType() == libsbml.AST_NAME );
    assertTrue(node.getName().equals(name));
    assertTrue( node.getCharacter() == '+' );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getReal() == 0 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    node = null;
  }

  public void test_ASTNode_setName_override()
  {
    ASTNode node = new  ASTNode(libsbml.AST_FUNCTION_SIN);
    assertTrue(node.getName().equals( "sin"));
    assertTrue( node.getType() == libsbml.AST_FUNCTION_SIN );
    node.setName( "MySinFunc");
    assertTrue(node.getName().equals( "MySinFunc"));
    assertTrue( node.getType() == libsbml.AST_FUNCTION_SIN );
    node.setName(null);
    assertTrue(node.getName().equals( "sin"));
    assertTrue( node.getType() == libsbml.AST_FUNCTION_SIN );
    node = null;
  }

  public void test_ASTNode_setReal()
  {
    ASTNode node = new  ASTNode();
    node.setName( "foo");
    assertTrue( node.getType() == libsbml.AST_NAME );
    node.setValue(32.1);
    assertTrue( node.getType() == libsbml.AST_REAL );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getName() == null );
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getReal() == 32.1 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 1 );
    assertTrue( node.getMantissa() == 32.1 );
    node.setValue(45,90);
    assertTrue( node.getType() == libsbml.AST_RATIONAL );
    assertTrue( node.getInteger() == 45 );
    assertTrue( node.getName() == null );
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getReal() == 0.5 );
    assertTrue( node.getExponent() == 0 );
    assertTrue( node.getDenominator() == 90 );
    assertTrue( node.getMantissa() == 0 );
    node.setValue(32.0,4);
    assertTrue( node.getType() == libsbml.AST_REAL_E );
    assertTrue( node.getInteger() == 0 );
    assertTrue( node.getName() == null );
    assertTrue( node.getCharacter() == '\0' );
    assertTrue( node.getReal() == 320000 );
    assertTrue( node.getExponent() == 4 );
    assertTrue( node.getDenominator() == 1 );
    assertTrue( node.getMantissa() == 32 );
    node = null;
  }

  public void test_ASTNode_setType()
  {
    ASTNode node = new  ASTNode();
    node.setName( "foo");
    assertTrue( node.getType() == libsbml.AST_NAME );
    node.setType(libsbml.AST_FUNCTION);
    assertTrue( node.getType() == libsbml.AST_FUNCTION );
    assertTrue(node.getName().equals( "foo"));
    node.setType(libsbml.AST_NAME);
    assertTrue( node.getType() == libsbml.AST_NAME );
    assertTrue(node.getName().equals( "foo"));
    node.setType(libsbml.AST_INTEGER);
    assertTrue( node.getType() == libsbml.AST_INTEGER );
    node.setType(libsbml.AST_REAL);
    assertTrue( node.getType() == libsbml.AST_REAL );
    node.setType(libsbml.AST_UNKNOWN);
    assertTrue( node.getType() == libsbml.AST_UNKNOWN );
    node.setType(libsbml.AST_PLUS);
    assertTrue( node.getType() == libsbml.AST_PLUS );
    assertTrue( node.getCharacter() == '+' );
    node.setType(libsbml.AST_MINUS);
    assertTrue( node.getType() == libsbml.AST_MINUS );
    assertTrue( node.getCharacter() == '-' );
    node.setType(libsbml.AST_TIMES);
    assertTrue( node.getType() == libsbml.AST_TIMES );
    assertTrue( node.getCharacter() == '*' );
    node.setType(libsbml.AST_DIVIDE);
    assertTrue( node.getType() == libsbml.AST_DIVIDE );
    assertTrue( node.getCharacter() == '/' );
    node.setType(libsbml.AST_POWER);
    assertTrue( node.getType() == libsbml.AST_POWER );
    assertTrue( node.getCharacter() == '^' );
    node = null;
  }

  public void test_ASTNode_swapChildren()
  {
    ASTNode node = new  ASTNode();
    ASTNode c1 = new  ASTNode();
    ASTNode c2 = new  ASTNode();
    ASTNode node_1 = new  ASTNode();
    ASTNode c1_1 = new  ASTNode();
    ASTNode c2_1 = new  ASTNode();
    int i = 0;
    node.setType(libsbml.AST_LOGICAL_AND);
    c1.setName( "a");
    c2.setName( "b");
    node.addChild(c1);
    node.addChild(c2);
    assertTrue( node.getNumChildren() == 2 );
    assertTrue(libsbml.formulaToString(node).equals( "and(a, b)"));
    node_1.setType(libsbml.AST_LOGICAL_AND);
    c1_1.setName( "d");
    c2_1.setName( "f");
    node_1.addChild(c1_1);
    node_1.addChild(c2_1);
    assertTrue( node_1.getNumChildren() == 2 );
    assertTrue(libsbml.formulaToString(node_1).equals( "and(d, f)"));
    i = node.swapChildren(node_1);
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( node.getNumChildren() == 2 );
    assertTrue(libsbml.formulaToString(node).equals( "and(d, f)"));
    assertTrue( node_1.getNumChildren() == 2 );
    assertTrue(libsbml.formulaToString(node_1).equals( "and(a, b)"));
    node_1 = null;
    node = null;
  }

  public void test_ASTNode_units()
  {
    ASTNode n = new  ASTNode();
    n.setType(libsbml.AST_REAL);
    n.setValue(1.6);
    int i = n.setUnits( "mole");
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( n.isSetUnits() == true );
    assertTrue(n.getUnits().equals( "mole"));
    i = n.unsetUnits();
    assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
    assertTrue( n.isSetUnits() == false );
    assertTrue(n.getUnits().equals( ""));
    i = n.setUnits( "1mole");
    assertTrue( i == libsbml.LIBSBML_INVALID_ATTRIBUTE_VALUE );
    assertTrue( n.isSetUnits() == false );
    n.setType(libsbml.AST_FUNCTION);
    i = n.setUnits( "mole");
    assertTrue( i == libsbml.LIBSBML_UNEXPECTED_ATTRIBUTE );
    assertTrue( n.isSetUnits() == false );
    assertTrue(n.getUnits().equals( ""));
    n = null;
  }

  /**
   * Loads the SWIG-generated libSBML Java module when this class is
   * loaded, or reports a sensible diagnostic message about why it failed.
   */
  static
  {
    String varname;
    String shlibname;

    if (System.getProperty("mrj.version") != null)
    {
      varname = "DYLD_LIBRARY_PATH";    // We're on a Mac.
      shlibname = "libsbmlj.jnilib and/or libsbml.dylib";
    }
    else
    {
      varname = "LD_LIBRARY_PATH";      // We're not on a Mac.
      shlibname = "libsbmlj.so and/or libsbml.so";
    }

    try
    {
      System.loadLibrary("sbmlj");
      // For extra safety, check that the jar file is in the classpath.
      Class.forName("org.sbml.libsbml.libsbml");
    }
    catch (SecurityException e)
    {
      e.printStackTrace();
      System.err.println("Could not load the libSBML library files due to a"+
                         " security exception.\n");
      System.exit(1);
    }
    catch (UnsatisfiedLinkError e)
    {
      e.printStackTrace();
      System.err.println("Error: could not link with the libSBML library files."+
                         " It is likely\nyour " + varname +
                         " environment variable does not include the directories\n"+
                         "containing the " + shlibname + " library files.\n");
      System.exit(1);
    }
    catch (ClassNotFoundException e)
    {
      e.printStackTrace();
      System.err.println("Error: unable to load the file libsbmlj.jar."+
                         " It is likely\nyour -classpath option and CLASSPATH" +
                         " environment variable\n"+
                         "do not include the path to libsbmlj.jar.\n");
      System.exit(1);
    }
  }
}
