@Test
public void testDatatypes() {
Date d = new Date();
NamedNodeImpl uri = new NamedNodeImpl(URI.create("http://example.org/foo"));
PlainLiteralImpl lit1 = new PlainLiteralImpl("bar");
PlainLiteralImpl lit2 = new PlainLiteralImpl("baz", "en");
TypedLiteralImpl lit3 = new TypedLiteralImpl(DateTime.format(d, TimeZone.getDefault()), XsdTypes.DATE_TIME);
TypedLiteralImpl aInt = new TypedLiteralImpl("20", XsdTypes.INT);
TypedLiteralImpl aLong = new TypedLiteralImpl("54687323427654", XsdTypes.LONG);
TypedLiteralImpl aBool = new TypedLiteralImpl("true", XsdTypes.BOOLEAN);
TypedLiteralImpl aFloat = new TypedLiteralImpl("3.14", XsdTypes.FLOAT);