--- /dev/null 2014-02-27 06:48:16.520499775 -0500 +++ new/test/runtime/classFileParserBug/TestEmptyBootstrapMethodsAttr.java 2014-05-09 10:10:21.179186000 -0400 @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2014, 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 TestEmptyBootstrapMethodsAttr + * @bug 8041918 + * @library /testlibrary + * @summary Test empty bootstrap_methods table within BootstrapMethods attribute + * @compile TestEmptyBootstrapMethodsAttr.java + * @run main TestEmptyBootstrapMethodsAttr + */ + +import java.io.File; +import com.oracle.java.testlibrary.*; + +public class TestEmptyBootstrapMethodsAttr { + + public static void main(String args[]) throws Throwable { + System.out.println("Regression test for bug 8041918"); + String jarFile = System.getProperty("test.src") + File.separator + "emptynumbootstrapmethods.jar"; + + // ====== extract the test case + ProcessBuilder pb = new ProcessBuilder(new String[] { JDKToolFinder.getJDKTool("jar"), "xvf", jarFile } ); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + output.shouldHaveExitValue(0); + + // Test case #1: + // Try loading class with empty bootstrap_methods table where no + // other attributes are following BootstrapMethods in attribute table. + String className = "emptynumbootstrapmethods1"; + + // ======= execute test case #1 + // Expect a lack of main method, this implies that the class loaded correctly + // with an empty bootstrap_methods and did not generate a ClassFormatError. + pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); + output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("java.lang.ClassFormatError: Invalid BootstrapMethods attribute length 2 in class"); + output.shouldContain("Main method not found in class " + className); + output.shouldHaveExitValue(1); + + // Test case #2: + // Try loading class with empty bootstrap_methods table where an + // AnnotationDefault attribute follows the BootstrapMethods in the attribute table. + className = "emptynumbootstrapmethods2"; + + // ======= execute test case #2 + // Expect a lack of main method, this implies that the class loaded correctly + // with an empty bootstrap_methods and did not generate ClassFormatError. + pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className); + output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("java.lang.ClassFormatError: Invalid BootstrapMethods attribute length 2 in class"); + output.shouldContain("Main method not found in class " + className); + output.shouldHaveExitValue(1); + } +}