replaceChild() public method

public replaceChild ( long n, ASTNode disownedChild ) : int
n long
disownedChild ASTNode
return int
 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((  "and(a, b, c)" == libsbml.formulaToString(node) ));
       newc.setName( "d");
       i = node.replaceChild(0,newc);
       assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
       assertTrue( node.getNumChildren() == 3 );
       assertTrue((  "and(d, b, c)" == libsbml.formulaToString(node) ));
       i = node.replaceChild(3,newc);
       assertTrue( i == libsbml.LIBSBML_INDEX_EXCEEDS_SIZE );
       assertTrue( node.getNumChildren() == 3 );
       assertTrue((  "and(d, b, c)" == libsbml.formulaToString(node) ));
       i = node.replaceChild(1,c1);
       assertTrue( i == libsbml.LIBSBML_OPERATION_SUCCESS );
       assertTrue( node.getNumChildren() == 3 );
       assertTrue((  "and(d, a, c)" == libsbml.formulaToString(node) ));
       node = null;
 }