1 /* 2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6433170 27 * @summary CheckedCollection.addAll should be all-or-nothing 28 */ 29 30 package test.java.util.Collections; 31 32 import java.util.ArrayList; 33 import java.util.Arrays; 34 import java.util.Collection; 35 import java.util.HashSet; 36 import java.util.List; 37 import java.util.Vector; 38 39 import static java.util.Collections.checkedCollection; 40 import static java.util.Collections.checkedList; 41 import static java.util.Collections.checkedSet; 42 43 @SuppressWarnings("unchecked") 44 public class T6433170 { checkEmpty(Collection x)45 private void checkEmpty(Collection x) { 46 check(x.isEmpty()); 47 check(x.size() == 0); 48 check(x.toArray().length == 0); 49 } 50 test(String[] args)51 void test(String[] args) throws Throwable { 52 test(checkedList( 53 checkedList(new ArrayList(), String.class), 54 Object.class)); 55 test(checkedSet( 56 checkedSet(new HashSet(), String.class), 57 Object.class)); 58 test(checkedCollection( 59 checkedCollection(new Vector(), String.class), 60 Object.class)); 61 } 62 test(final Collection checked)63 void test(final Collection checked) { 64 checkEmpty(checked); 65 final List mixedList = Arrays.asList("1", 2, "3"); 66 THROWS(ClassCastException.class, 67 new F(){void f(){ checked.addAll(mixedList); }}); 68 checkEmpty(checked); 69 } 70 71 //--------------------- Infrastructure --------------------------- 72 volatile int passed = 0, failed = 0; pass()73 void pass() {passed++;} fail()74 void fail() {failed++; Thread.dumpStack();} fail(String msg)75 void fail(String msg) {System.err.println(msg); fail();} unexpected(Throwable t)76 void unexpected(Throwable t) {failed++; t.printStackTrace();} check(boolean cond)77 void check(boolean cond) {if (cond) pass(); else fail();} equal(Object x, Object y)78 void equal(Object x, Object y) { 79 if (x == null ? y == null : x.equals(y)) pass(); 80 else fail(x + " not equal to " + y);} main(String[] args)81 public static void main(String[] args) throws Throwable { 82 new T6433170().instanceMain(args);} instanceMain(String[] args)83 void instanceMain(String[] args) throws Throwable { 84 try {test(args);} catch (Throwable t) {unexpected(t);} 85 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 86 if (failed > 0) throw new AssertionError("Some tests failed");} f()87 abstract class F {abstract void f() throws Throwable;} THROWS(Class<? extends Throwable> k, F... fs)88 void THROWS(Class<? extends Throwable> k, F... fs) { 89 for (F f : fs) 90 try {f.f(); fail("Expected " + k.getName() + " not thrown");} 91 catch (Throwable t) { 92 if (k.isAssignableFrom(t.getClass())) pass(); 93 else unexpected(t);}} 94 } 95