}
public void testHashPrintRequestAttributeSet() {
startTest("HashPrintRequestAttributeSet class testing...");
Copies copies = new Copies(2);
PrintRequestAttributeSet set1 = new HashPrintRequestAttributeSet();
PrintRequestAttributeSet set2 = new HashPrintRequestAttributeSet(copies);
PrintRequestAttributeSet set3 = new HashPrintRequestAttributeSet(set2);
PrintRequestAttribute [] arr = {copies,
MediaName.NA_LETTER_WHITE};
PrintRequestAttributeSet set4 = new HashPrintRequestAttributeSet(arr);
Attribute [] attrArr = set1.toArray();
assertTrue(set1.isEmpty());
assertFalse(set2.isEmpty());
assertTrue(set3.equals(set2));
assertFalse(set3.equals(set1));
set3.clear();
assertEquals(set3, set1);
set3.add(copies);
set3.add(MediaName.NA_LETTER_WHITE);
assertTrue(set3.containsKey(copies.getClass()));
assertFalse(set2.containsKey(MediaName.NA_LETTER_WHITE.getClass()));
assertTrue(set3.containsValue(copies));
assertFalse(set3.containsValue(OrientationRequested.PORTRAIT));
assertFalse(set3.containsValue(PrintQuality.DRAFT));
assertEquals(set1.size(), 0);
assertEquals(set2.size(), 1);
assertEquals(set3.size(), 2);
assertTrue(set4.equals(set3));
assertEquals(set3.get(copies.getClass()), copies);
set1.addAll(set3);
assertEquals(set3, set1);
set1.remove(copies.getClass());
assertEquals(set1.size(), 1);
attrArr = set1.toArray();
assertEquals(attrArr.length, 1);
assertEquals(attrArr[0], MediaName.NA_LETTER_WHITE);
}