/** Tests returning the list of used icon keys. */
public void testGetGuidesIconKeys() {
IGuide guide1 = new DummyEmptyGuide();
guide1.setIconKey("1");
IGuide guide2 = new DummyEmptyGuide();
guide2.setIconKey("1");
IGuide guide3 = new DummyEmptyGuide();
guide3.setIconKey("3");
// No guides
Collection keys;
keys = set.getGuidesIconKeys();
assertEquals("There's no guides, no keys.", 0, keys.size());
// Add some guides
set.add(guide1);
set.add(guide2);
set.add(guide3);
keys = set.getGuidesIconKeys();
assertEquals("Wrong number of keys.", 2, keys.size());
assertTrue("Missing key.", keys.contains("1"));
assertTrue("Missing key.", keys.contains("3"));
}
