/** @tests java.util.jar.Attributes#values() */
public void test_values() {
Collection<?> valueCollection = a.values();
assertTrue("a) Should contain entry", valueCollection.contains("one"));
assertTrue("b) Should contain entry", valueCollection.contains("two"));
assertTrue("c) Should contain entry", valueCollection.contains("three"));
assertTrue("d) Should contain entry", valueCollection.contains("four"));
}