| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import sun.java2d.marlin.ArrayCacheConst; |
| |
| /* |
| * @test |
| * @bug 8144445 |
| * @summary Check the ArrayCache getNewLargeSize() method |
| * @run main ArrayCacheSizeTest |
| * @modules java.desktop/sun.java2d.marlin |
| */ |
| public class ArrayCacheSizeTest { |
| |
| public static void main(String[] args) { |
| testNewSize(); |
| testNewLargeSize(); |
| } |
| |
| private static void testNewSize() { |
| testNewSize(0, 1); |
| testNewSize(0, 100000); |
| |
| testNewSize(4096, 4097); |
| testNewSize(4096 * 16, 4096 * 16 + 1); |
| |
| testNewSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1); |
| |
| testNewSize(4096 * 4096 * 4, Integer.MAX_VALUE); |
| |
| testNewSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE); |
| |
| testNewSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1); |
| testNewSizeExpectAIOB(1, -1); |
| testNewSizeExpectAIOB(Integer.MAX_VALUE, -1); |
| } |
| |
| private static void testNewSizeExpectAIOB(final int curSize, |
| final int needSize) { |
| try { |
| testNewSize(curSize, needSize); |
| throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown"); |
| } catch (ArrayIndexOutOfBoundsException aiobe) { |
| System.out.println("ArrayIndexOutOfBoundsException expected."); |
| } catch (RuntimeException re) { |
| throw re; |
| } catch (Throwable th) { |
| throw new RuntimeException("Unexpected exception", th); |
| } |
| } |
| |
| private static void testNewSize(final int curSize, |
| final int needSize) { |
| |
| int size = ArrayCacheConst.getNewSize(curSize, needSize); |
| |
| System.out.println("getNewSize(" + curSize + ", " + needSize |
| + ") = " + size); |
| |
| if (size < 0 || size < needSize) { |
| throw new IllegalStateException("Invalid getNewSize(" |
| + curSize + ", " + needSize + ") = " + size + " !"); |
| } |
| } |
| |
| private static void testNewLargeSize() { |
| testNewLargeSize(0, 1); |
| testNewLargeSize(0, 100000); |
| |
| testNewLargeSize(4096, 4097); |
| testNewLargeSize(4096 * 16, 4096 * 16 + 1); |
| |
| testNewLargeSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1); |
| |
| testNewLargeSize(4096 * 4096 * 4, Integer.MAX_VALUE); |
| |
| testNewLargeSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE); |
| |
| testNewLargeSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1L); |
| testNewLargeSizeExpectAIOB(1, -1L); |
| testNewLargeSizeExpectAIOB(Integer.MAX_VALUE, -1L); |
| } |
| |
| private static void testNewLargeSizeExpectAIOB(final long curSize, |
| final long needSize) { |
| try { |
| testNewLargeSize(curSize, needSize); |
| throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown"); |
| } catch (ArrayIndexOutOfBoundsException aiobe) { |
| System.out.println("ArrayIndexOutOfBoundsException expected."); |
| } catch (RuntimeException re) { |
| throw re; |
| } catch (Throwable th) { |
| throw new RuntimeException("Unexpected exception", th); |
| } |
| } |
| |
| private static void testNewLargeSize(final long curSize, |
| final long needSize) { |
| |
| long size = ArrayCacheConst.getNewLargeSize(curSize, needSize); |
| |
| System.out.println("getNewLargeSize(" + curSize + ", " + needSize |
| + ") = " + size); |
| |
| if (size < 0 || size < needSize || size > Integer.MAX_VALUE) { |
| throw new IllegalStateException("Invalid getNewLargeSize(" |
| + curSize + ", " + needSize + ") = " + size + " !"); |
| } |
| } |
| |
| } |