| /* |
| * Copyright (c) 2014, 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 gc.g1.unloading.check; |
| |
| import sun.hotspot.WhiteBox; |
| |
| /** |
| * This assertion checks that class is alive using WhiteBox isClassAlive method. |
| */ |
| public class ClassAssertion extends Assertion { |
| |
| private String className; |
| |
| private boolean shouldBeAlive; |
| |
| private static long counterOfCheckedUnloaded = 0; |
| |
| private static long counterOfCheckedAlive = 0; |
| |
| public static long getCounterOfCheckedUnloaded() { |
| return counterOfCheckedUnloaded; |
| } |
| |
| public static long getCounterOfCheckedAlive() { |
| return counterOfCheckedAlive; |
| } |
| |
| public ClassAssertion(String className, boolean shouldBeAlive) { |
| this.shouldBeAlive = shouldBeAlive; |
| this.className = className; |
| } |
| |
| @Override |
| public void check() { |
| boolean isAlive = WhiteBox.getWhiteBox().isClassAlive(className); |
| if (isAlive != shouldBeAlive) { |
| if (isAlive) { |
| throw new RuntimeException("Class " + className + " was not unloaded! Failing test."); |
| } else { |
| throw new RuntimeException("Class " + className + " must live! Failing test."); |
| } |
| } else { |
| System.out.println(" Check OK, class " + className + ", isAlive = " + isAlive + ", shouldBeAlive = " + shouldBeAlive); |
| if (isAlive) { |
| counterOfCheckedAlive++; |
| } else { |
| counterOfCheckedUnloaded++; |
| } |
| } |
| } |
| |
| private static long numberOfChecksLimit = -1; |
| |
| static { |
| String s; |
| if ((s = System.getProperty("NumberOfChecksLimit")) != null) { |
| numberOfChecksLimit = Long.valueOf(s); |
| } |
| } |
| |
| } |