aoqi@0: /*
aoqi@0:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test TestEmptyBootstrapMethodsAttr
aoqi@0:  * @bug 8041918
aoqi@0:  * @library /testlibrary
aoqi@0:  * @summary Test empty bootstrap_methods table within BootstrapMethods attribute
aoqi@0:  * @compile TestEmptyBootstrapMethodsAttr.java
aoqi@0:  * @run main TestEmptyBootstrapMethodsAttr
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.io.File;
aoqi@0: import com.oracle.java.testlibrary.*;
aoqi@0: 
aoqi@0: public class TestEmptyBootstrapMethodsAttr {
aoqi@0: 
aoqi@0:     public static void main(String args[]) throws Throwable {
aoqi@0:         System.out.println("Regression test for bug 8041918");
aoqi@0:         String jarFile = System.getProperty("test.src") + File.separator + "emptynumbootstrapmethods.jar";
aoqi@0: 
aoqi@0:         // ====== extract the test case
aoqi@0:         ProcessBuilder pb = new ProcessBuilder(new String[] { JDKToolFinder.getJDKTool("jar"), "xvf", jarFile } );
aoqi@0:         OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0:         output.shouldHaveExitValue(0);
aoqi@0: 
aoqi@0:         // Test case #1:
aoqi@0:         // Try loading class with empty bootstrap_methods table where no
aoqi@0:         // other attributes are following BootstrapMethods in attribute table.
aoqi@0:         String className = "emptynumbootstrapmethods1";
aoqi@0: 
aoqi@0:         // ======= execute test case #1
aoqi@0:         // Expect a lack of main method, this implies that the class loaded correctly
aoqi@0:         // with an empty bootstrap_methods and did not generate a ClassFormatError.
aoqi@0:         pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className);
aoqi@0:         output = new OutputAnalyzer(pb.start());
aoqi@0:         output.shouldNotContain("java.lang.ClassFormatError");
aoqi@0:         output.shouldContain("Main method not found in class " + className);
aoqi@0:         output.shouldHaveExitValue(1);
aoqi@0: 
aoqi@0:         // Test case #2:
aoqi@0:         // Try loading class with empty bootstrap_methods table where an
aoqi@0:         // AnnotationDefault attribute follows the BootstrapMethods in the attribute table.
aoqi@0:         className = "emptynumbootstrapmethods2";
aoqi@0: 
aoqi@0:         // ======= execute test case #2
aoqi@0:         // Expect a lack of main method, this implies that the class loaded correctly
aoqi@0:         // with an empty bootstrap_methods and did not generate ClassFormatError.
aoqi@0:         pb = ProcessTools.createJavaProcessBuilder("-cp", ".", className);
aoqi@0:         output = new OutputAnalyzer(pb.start());
aoqi@0:         output.shouldNotContain("java.lang.ClassFormatError");
aoqi@0:         output.shouldContain("Main method not found in class " + className);
aoqi@0:         output.shouldHaveExitValue(1);
aoqi@0:     }
aoqi@0: }