public void test_element_cn_units()
{
string s = wrapMathMLUnits("<cn sbml:units=\"mole\"> 12345.7 </cn>");
N = libsbml.readMathMLFromString(s);
assertTrue( N != null );
assertTrue( N.getType() == libsbml.AST_REAL );
assertTrue( N.getReal() == 12345.7 );
assertTrue( N.getUnits() == "mole" );
assertTrue( N.getNumChildren() == 0 );
}