// Tags: JDK1.2 // Copyright (C) 2004 David Gilbert // This file is part of Mauve. // Mauve is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2, or (at your option) // any later version. // Mauve is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with Mauve; see the file COPYING. If not, write to // the Free Software Foundation, 59 Temple Place - Suite 330, // Boston, MA 02111-1307, USA. */ package gnu.testlet.java.util.Collections; import gnu.testlet.TestHarness; import gnu.testlet.Testlet; import java.util.ArrayList; import java.util.Collections; import java.util.List; public class fill implements Testlet { public void test(TestHarness harness) { List list = new ArrayList(); // fill empty list Collections.fill(list, "X"); harness.check(list.isEmpty()); // fill a list with 1 item list.add("A"); Collections.fill(list, "X"); harness.check(list.get(0).equals("X")); // fill a list with multiple items list = new ArrayList(); list.add("A"); list.add("B"); list.add("C"); Collections.fill(list, "X"); harness.check(list.get(0).equals("X")); harness.check(list.get(1).equals("X")); harness.check(list.get(2).equals("X")); // test null argument 1 boolean pass = false; try { Collections.fill(null, "X"); } catch (NullPointerException e) { pass = true; } harness.check(pass); // test null argument 2 Collections.fill(list, null); harness.check(list.get(0) == null); harness.check(list.get(1) == null); harness.check(list.get(2) == null); // try read-only destination list = new ArrayList(); list.add("A"); list.add("B"); list = Collections.unmodifiableList(list); pass = false; try { Collections.fill(list, "X"); } catch (UnsupportedOperationException e) { pass = true; } harness.check(pass); } }