public void test_SBMLNamespaces_add_and_remove_namespaces()
{
SBMLNamespaces sbmlns = new SBMLNamespaces ( 3,1 );
assertTrue( sbmlns.getLevel() == 3 );
assertTrue( sbmlns.getVersion() == 1 );
sbmlns.addNamespace("http://www.sbml.org/sbml/level3/version1/group/version1", "group");
sbmlns.addNamespace("http://www.sbml.org/sbml/level3/version1/layout/version1", "layout");
sbmlns.addNamespace("http://www.sbml.org/sbml/level3/version1/render/version1", "render");
sbmlns.addNamespace("http://www.sbml.org/sbml/level3/version1/multi/version1", "multi");
XMLNamespaces ns = sbmlns.getNamespaces();
assertTrue( ns.getLength() == 5 );
assertTrue( ns.getURI(0) == "http://www.sbml.org/sbml/level3/version1/core" );
assertTrue( ns.getPrefix(0) == "" );
assertTrue( ns.getURI(1) == "http://www.sbml.org/sbml/level3/version1/group/version1" );
assertTrue( ns.getPrefix(1) == "group" );
assertTrue( ns.getURI(2) == "http://www.sbml.org/sbml/level3/version1/layout/version1" );
assertTrue( ns.getPrefix(2) == "layout" );
assertTrue( ns.getURI(3) == "http://www.sbml.org/sbml/level3/version1/render/version1" );
assertTrue( ns.getPrefix(3) == "render" );
assertTrue( ns.getURI(4) == "http://www.sbml.org/sbml/level3/version1/multi/version1" );
assertTrue( ns.getPrefix(4) == "multi" );
sbmlns.removeNamespace("http://www.sbml.org/sbml/level3/version1/layout/version1");
sbmlns.removeNamespace("http://www.sbml.org/sbml/level3/version1/group/version1");
sbmlns.removeNamespace("http://www.sbml.org/sbml/level3/version1/render/version1");
sbmlns.removeNamespace("http://www.sbml.org/sbml/level3/version1/multi/version1");
}