@Test
public void parse3BoxValuesTest() {

	String box = "2px 3px 4px";
	Map<String, String> values = css.parseBoxValues(box, "pre-", "-post");
	validateKeys(values);
	Assert.assertEquals("3px", values.get("pre-right-post"));
	Assert.assertEquals("3px", values.get("pre-left-post"));
	Assert.assertEquals("4px", values.get("pre-bottom-post"));
	Assert.assertEquals("2px", values.get("pre-top-post"));
}