69 lines
2.9 KiB
Java
69 lines
2.9 KiB
Java
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/*
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* Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 6533203
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* @summary AbstractList.ListItr.add might corrupt iterator state if enclosing add throws
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*/
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import java.util.*;
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@SuppressWarnings({"serial","unchecked"})
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public class Bug6533203 {
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void test(String[] args) throws Throwable {
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final List<Integer> superstitious = new ArrayList<Integer>() {
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public void add(int index, Integer i) {
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if (i == 13) throw new Error("unlucky");
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else super.add(index, i); }};
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final ListIterator it = superstitious.listIterator(0);
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equal(it.nextIndex(), 0);
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THROWS(Error.class, new F(){void f(){it.add(13);}});
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equal(it.nextIndex(), 0);
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}
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//--------------------- Infrastructure ---------------------------
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volatile int passed = 0, failed = 0;
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void pass() {passed++;}
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void fail() {failed++; Thread.dumpStack();}
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void fail(String msg) {System.out.println(msg); fail();}
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void unexpected(Throwable t) {failed++; t.printStackTrace();}
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void check(boolean cond) {if (cond) pass(); else fail();}
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void equal(Object x, Object y) {
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if (x == null ? y == null : x.equals(y)) pass();
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else fail(x + " not equal to " + y);}
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public static void main(String[] args) throws Throwable {
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new Bug6533203().instanceMain(args);}
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void instanceMain(String[] args) throws Throwable {
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try {test(args);} catch (Throwable t) {unexpected(t);}
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System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
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if (failed > 0) throw new AssertionError("Some tests failed");}
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abstract class F {abstract void f() throws Throwable;}
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void THROWS(Class<? extends Throwable> k, F... fs) {
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for (F f : fs)
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try {f.f(); fail("Expected " + k.getName() + " not thrown");}
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catch (Throwable t) {
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if (k.isAssignableFrom(t.getClass())) pass();
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else unexpected(t);}}
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}
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