1 /* 2 * Copyright (c) 2018, 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 * @requires os.maxMemory > 2g 27 * @bug 8206403 28 * @run testng/othervm -Xmx2g ArraySize 29 * @summary Check that unacceptable backing array sizes are disallowed. 30 */ 31 32 import java.io.ByteArrayOutputStream; 33 import org.testng.annotations.Test; 34 import static org.testng.Assert.*; 35 36 public class ArraySize { 37 @Test(expectedExceptions = IllegalArgumentException.class) 38 public static void underflowConstructor() throws Exception { 39 ByteArrayOutputStream baos = new ByteArrayOutputStream(-1); 40 } 41 42 @Test(expectedExceptions = IllegalArgumentException.class) 43 public static void overflowConstructor() throws Exception { 44 ByteArrayOutputStream baos = 45 new ByteArrayOutputStream(Integer.MAX_VALUE - 4); 46 } 47 48 @Test(expectedExceptions = OutOfMemoryError.class) 49 public static void overflowSize() { 50 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 51 byte[] b = new byte[(Integer.MAX_VALUE - 3)/2]; 52 baos.write(b, 0, b.length); 53 baos.write(b, 0, b.length); 54 } 55 }