| /* |
| * Copyright (c) 2010, 2018, 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. |
| */ |
| |
| package nsk.sysdict.share; |
| |
| import nsk.share.Denotation; |
| import nsk.share.Failure; |
| import nsk.share.TestFailure; |
| import nsk.share.sysdict.ClassLoadersBTree; |
| import nsk.share.test.Tests; |
| |
| /** |
| * This class is used by btree tests. |
| */ |
| public class BTreeTest extends SysDictTest { |
| |
| public BTreeTest(String[] args) { |
| parseArgs(args); |
| } |
| |
| public static void main(String args[]) { |
| Tests.runTest(new BTreeTest(args), args); |
| } |
| private int height; |
| protected int level; |
| String[] nodeNames; |
| String[] classNames; |
| |
| @Override |
| protected void parseArgs(String args[]) { |
| super.parseArgs(args); |
| for (int i = 0; i < args.length; i++) { |
| if (args[i].equals("-level")) { |
| level = Integer.parseInt(args[i + 1]); |
| } |
| if (args[i].equals("-height")) { |
| height = Integer.parseInt(args[i + 1]); |
| } |
| } |
| try { |
| // Load FatsInfo with URLClassLoader btree.jar & fats.jar should not |
| // present in classpath |
| Class info; |
| if (useFats) { |
| info = createJarLoader().loadClass(PACKAGE_PREFIX + "FatsInfo"); |
| } else { |
| info = createJarLoader().loadClass(PACKAGE_PREFIX + "BTreeInfo"); |
| } |
| |
| if (height == 0) { |
| height = info.getField("HEIGHT").getInt(null) - 1; |
| } |
| |
| if (level == 0) { |
| level = height - 1; |
| } |
| |
| if (level >= height) { |
| throw new Failure("Icorrect level : " + level + " .Should be less then " + height); |
| } |
| |
| // generate names for all nodes at the given level: |
| Denotation denotation = null; |
| if (!useFats) { |
| denotation = (Denotation) info.getField("nodesDenotation").get(null); |
| } |
| |
| // Set all classnames |
| String prefix = PACKAGE_PREFIX + info.getField("rootName").get(null); |
| nodeNames = new String[1 << level]; |
| classNames = new String[1 << level]; |
| for (int i = 0; i < nodeNames.length; i++) { |
| if (useFats) { |
| classNames[i] = prefix + ((String[]) info.getField("nodeNames").get(null))[height - 1]; |
| } else { |
| nodeNames[i] = denotation.nameFor(level, i); |
| classNames[i] = prefix + nodeNames[i]; |
| } |
| } |
| System.out.println("The level = " + level + " the height = " + height); |
| } catch (Exception e) { |
| throw new TestFailure("Can't initialize test correctly", e); |
| } |
| } |
| |
| @Override |
| protected final String[] getClassNames() { |
| return classNames; |
| } |
| |
| @Override |
| protected final ClassLoader[] createLoaders() { |
| ClassLoader jarLoader = createJarLoader(); |
| ClassLoader loaders[] = new ClassLoader[nodeNames.length]; |
| ClassLoadersBTree loadersTree = new ClassLoadersBTree(jarLoader, height); |
| for (int i = 0; i < loaders.length; i++) { |
| loaders[i] = loadersTree.getLoader(nodeNames[i]); |
| } |
| return loaders; |
| } |
| } |