0N/A/*
2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 6267846 6275009
0N/A * @summary Test Collections.nCopies
0N/A * @author Martin Buchholz
0N/A */
0N/A
0N/Aimport java.util.*;
0N/Aimport java.util.concurrent.*;
0N/A
0N/Apublic class NCopies {
0N/A static volatile int passed = 0, failed = 0;
0N/A
0N/A static void fail(String msg) {
0N/A failed++;
0N/A new AssertionError(msg).printStackTrace();
0N/A }
0N/A
0N/A static void pass() {
0N/A passed++;
0N/A }
0N/A
0N/A static void unexpected(Throwable t) {
0N/A failed++;
0N/A t.printStackTrace();
0N/A }
0N/A
0N/A static void check(boolean condition, String msg) {
0N/A if (condition)
0N/A passed++;
0N/A else
0N/A fail(msg);
0N/A }
0N/A
0N/A static void check(boolean condition) {
0N/A check(condition, "Assertion failure");
0N/A }
0N/A
0N/A private static void checkEmpty(List<String> x) {
0N/A check(x.isEmpty());
0N/A check(x.size() == 0);
0N/A check(x.indexOf("foo") == -1);
0N/A check(x.lastIndexOf("foo") == -1);
0N/A check(x.toArray().length == 0);
0N/A check(x.toArray().getClass() == Object[].class);
0N/A }
0N/A
0N/A private static void checkFoos(List<String> x) {
0N/A check(! x.isEmpty());
0N/A check(x.indexOf(new String("foo")) == 0);
0N/A check(x.lastIndexOf(new String("foo")) == x.size()-1);
0N/A check(x.toArray().length == x.size());
0N/A check(x.toArray().getClass() == Object[].class);
0N/A String[] sa = x.toArray(new String[x.size()]);
0N/A check(sa.getClass() == String[].class);
0N/A check(sa[0].equals("foo"));
0N/A check(sa[sa.length-1].equals("foo"));
0N/A check(x.get(x.size()/2).equals("foo"));
0N/A checkEmpty(x.subList(x.size()/2, x.size()/2));
0N/A }
0N/A
0N/A public static void main(String[] args) {
0N/A try {
0N/A List<String> empty = Collections.nCopies(0, "foo");
0N/A checkEmpty(empty);
0N/A checkEmpty(empty.subList(0,0));
0N/A
0N/A List<String> foos = Collections.nCopies(42, "foo");
0N/A check(foos.size() == 42);
0N/A checkFoos(foos.subList(foos.size()/2, foos.size()-1));
0N/A
0N/A } catch (Throwable t) { unexpected(t); }
0N/A
0N/A System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
0N/A if (failed > 0) throw new Error("Some tests failed");
0N/A }
0N/A}