public void test_MathMLFormatter_cn_units()
{
string expected = wrapMathMLUnits(" <cn sbml:units=\"mole\"> 1.2 </cn>\n");
N = libsbml.parseFormula("1.2");
N.setUnits("mole");
S = libsbml.writeMathMLToString(N);
assertEquals( true, equals(expected,S) );
}