/* * Copyright (c) 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. */ /* * @test * @bug 8186211 * @summary CONSTANT_Dynamic_info structure present with various bad BSM index, BSM array attribute checks. * @compile CondyBadBSMIndex.jcod * @compile CondyEmptyBSMArray1.jcod * @compile CondyNoBSMArray.jcod * @run main/othervm -Xverify:all CondyBadBSMArrayTest */ // Test that a CONSTANT_Dynamic_info structure present with the following issues: // 1. The CONSTANT_Dynamic_info structure's bootstrap_method_attr_index value is // an index outside of the array size. // 2. An empty BootstrapMethods Attribute array // 3. No BootstrapMethods Attribute array present. public class CondyBadBSMArrayTest { public static void main(String args[]) throws Throwable { // 1. The CONSTANT_Dynamic_info structure's bootstrap_method_attr_index is outside the array size try { Class newClass = Class.forName("CondyBadBSMIndex"); throw new RuntimeException("Expected ClassFormatError exception not thrown"); } catch (java.lang.ClassFormatError e) { if (!e.getMessage().contains("Short length on BootstrapMethods in class file")) { throw new RuntimeException("ClassFormatError thrown, incorrect message"); } System.out.println("Test CondyBadBSMIndex passed: " + e.getMessage()); } catch (Throwable e) { throw new RuntimeException("Expected ClassFormatError exception not thrown"); } // 2. An empty BootstrapMethods Attribute array - contains zero elements try { Class newClass = Class.forName("CondyEmptyBSMArray1"); throw new RuntimeException("Expected ClassFormatError exception not thrown"); } catch (java.lang.ClassFormatError e) { if (!e.getMessage().contains("Short length on BootstrapMethods in class file")) { throw new RuntimeException("ClassFormatError thrown, incorrect message"); } System.out.println("Test CondyEmptyBSMArray1 passed: " + e.getMessage()); } catch (Throwable e) { throw new RuntimeException("Expected ClassFormatError exception not thrown"); } // 3. No BootstrapMethods Attribute array present` try { Class newClass = Class.forName("CondyNoBSMArray"); throw new RuntimeException("Expected ClassFormatError exception not thrown"); } catch (java.lang.ClassFormatError e) { if (!e.getMessage().contains("Missing BootstrapMethods attribute in class file")) { throw new RuntimeException("ClassFormatError thrown, incorrect message"); } System.out.println("Test CondyNoBSMArray passed: " + e.getMessage()); } catch (Throwable e) { throw new RuntimeException("Expected ClassFormatError exception not thrown"); } } }