133 lines
4.6 KiB
Java
133 lines
4.6 KiB
Java
/*
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* Copyright (c) 2015, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import sun.java2d.marlin.ArrayCacheConst;
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/*
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* @test
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* @bug 8144445
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* @summary Check the ArrayCache getNewLargeSize() method
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* @run main ArrayCacheSizeTest
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* @modules java.desktop/sun.java2d.marlin
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*/
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public class ArrayCacheSizeTest {
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public static void main(String[] args) {
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testNewSize();
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testNewLargeSize();
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}
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private static void testNewSize() {
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testNewSize(0, 1);
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testNewSize(0, 100000);
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testNewSize(4096, 4097);
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testNewSize(4096 * 16, 4096 * 16 + 1);
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testNewSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1);
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testNewSize(4096 * 4096 * 4, Integer.MAX_VALUE);
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testNewSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE);
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testNewSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1);
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testNewSizeExpectAIOB(1, -1);
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testNewSizeExpectAIOB(Integer.MAX_VALUE, -1);
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}
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private static void testNewSizeExpectAIOB(final int curSize,
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final int needSize) {
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try {
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testNewSize(curSize, needSize);
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throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown");
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} catch (ArrayIndexOutOfBoundsException aiobe) {
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System.out.println("ArrayIndexOutOfBoundsException expected.");
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} catch (RuntimeException re) {
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throw re;
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} catch (Throwable th) {
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throw new RuntimeException("Unexpected exception", th);
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}
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}
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private static void testNewSize(final int curSize,
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final int needSize) {
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int size = ArrayCacheConst.getNewSize(curSize, needSize);
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System.out.println("getNewSize(" + curSize + ", " + needSize
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+ ") = " + size);
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if (size < 0 || size < needSize) {
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throw new IllegalStateException("Invalid getNewSize("
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+ curSize + ", " + needSize + ") = " + size + " !");
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}
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}
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private static void testNewLargeSize() {
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testNewLargeSize(0, 1);
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testNewLargeSize(0, 100000);
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testNewLargeSize(4096, 4097);
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testNewLargeSize(4096 * 16, 4096 * 16 + 1);
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testNewLargeSize(4096 * 4096 * 4, 4096 * 4096 * 4 + 1);
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testNewLargeSize(4096 * 4096 * 4, Integer.MAX_VALUE);
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testNewLargeSize(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE);
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testNewLargeSizeExpectAIOB(Integer.MAX_VALUE - 1000, Integer.MAX_VALUE + 1L);
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testNewLargeSizeExpectAIOB(1, -1L);
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testNewLargeSizeExpectAIOB(Integer.MAX_VALUE, -1L);
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}
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private static void testNewLargeSizeExpectAIOB(final long curSize,
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final long needSize) {
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try {
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testNewLargeSize(curSize, needSize);
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throw new RuntimeException("ArrayIndexOutOfBoundsException not thrown");
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} catch (ArrayIndexOutOfBoundsException aiobe) {
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System.out.println("ArrayIndexOutOfBoundsException expected.");
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} catch (RuntimeException re) {
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throw re;
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} catch (Throwable th) {
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throw new RuntimeException("Unexpected exception", th);
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}
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}
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private static void testNewLargeSize(final long curSize,
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final long needSize) {
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long size = ArrayCacheConst.getNewLargeSize(curSize, needSize);
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System.out.println("getNewLargeSize(" + curSize + ", " + needSize
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+ ") = " + size);
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if (size < 0 || size < needSize || size > Integer.MAX_VALUE) {
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throw new IllegalStateException("Invalid getNewLargeSize("
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+ curSize + ", " + needSize + ") = " + size + " !");
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}
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}
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}
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