@Test
public void getNumericalIdentifier() {

	assertEquals(0, XMLResources.getNumericalIdentifier(XMLResources.IDENTIFIER_PREFIX + "0")); //$NON-NLS-1$
	assertEquals(351, XMLResources.getNumericalIdentifier(XMLResources.IDENTIFIER_PREFIX + "351")); //$NON-NLS-1$
	assertEquals(-4521, XMLResources.getNumericalIdentifier(XMLResources.IDENTIFIER_PREFIX + "-4521")); //$NON-NLS-1$
}