@Test
public void symbolValueFromClass() {

    Set<String> netSet = Collections.singleton("net");
    Set<String> fooSet = Collections.singleton("foo");
    assertEquals(Collections.emptySet(), SymbolLookup.getSymbolValue(String.class));
    assertEquals(netSet, SymbolLookup.getSymbolValue(FishingNet.class));
    assertEquals(netSet, SymbolLookup.getSymbolValue(FishingNet.DescriptorImpl.class));
    assertEquals(fooSet, SymbolLookup.getSymbolValue(Foo.class));
}