libsbmlcs.ASTNode.removeChild C# (CSharp) Method

        public int removeChild(long n)
        {
            int ret = libsbmlPINVOKE.ASTNode_removeChild(swigCPtr, n);
            return ret;
        }

 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;
 }