Namespace namespace = new Namespace("foo", "protocol://someuri"); //$NON-NLS-1$ //$NON-NLS-2$
element = new MappingElement("Test", namespace); //$NON-NLS-1$
assertEquals("foo", element.getNamespacePrefix()); //$NON-NLS-1$
assertEquals(element.getNamespaces().length, 0);
element.addNamespace(namespace);
assertEquals(element.getNamespaces().length, 1);
element.addNamespace(new Namespace("ns1", "http://mm.com")); //$NON-NLS-1$ //$NON-NLS-2$
assertEquals(element.getNamespaces().length, 2);