1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8130669 27 * @summary VM prohibits <clinit> methods with return values 28 * @compile nonvoidClinit.jasm 29 * @compile clinitNonStatic.jasm 30 * @compile clinitArg.jasm 31 * @compile clinitArg51.jasm 32 * @compile badInit.jasm 33 * @run main/othervm -Xverify:all BadInitMethod 34 */ 35 36 // Test that non-void <clinit>, non-static <clinit>, and non-void 37 // <init> methods cause ClassFormatException's to be thrown. 38 public class BadInitMethod { main(String args[])39 public static void main(String args[]) throws Throwable { 40 41 System.out.println("Regression test for bug 8130669"); 42 try { 43 Class newClass = Class.forName("nonvoidClinit"); 44 throw new RuntimeException( 45 "Expected ClassFormatError exception for non-void <clinit> not thrown"); 46 } catch (java.lang.ClassFormatError e) { 47 System.out.println("Test BadInitMethod passed for non-void <clinit>"); 48 } 49 50 try { 51 Class newClass = Class.forName("clinitNonStatic"); 52 throw new RuntimeException( 53 "Expected ClassFormatError exception for non-static <clinit> not thrown"); 54 } catch (java.lang.ClassFormatError e) { 55 System.out.println("Test BadInitMethod passed for non-static <clinit>"); 56 } 57 58 // <clinit> with args is allowed in class file version < 51. 59 try { 60 Class newClass = Class.forName("clinitArg"); 61 } catch (java.lang.ClassFormatError e) { 62 throw new RuntimeException( 63 "Unexpected ClassFormatError exception for <clinit> with argument in class file < 51"); 64 } 65 66 // <clinit> with args is not allowed in class file version >= 51. 67 try { 68 Class newClass = Class.forName("clinitArg51"); 69 throw new RuntimeException( 70 "Expected ClassFormatError exception for <clinit> with argument not thrown"); 71 } catch (java.lang.ClassFormatError e) { 72 System.out.println("Test BadInitMethod passed for <clinit> with argument"); 73 } 74 75 try { 76 Class newClass = Class.forName("badInit"); 77 throw new RuntimeException( 78 "Expected ClassFormatError exception for non-void <init> not thrown"); 79 } catch (java.lang.ClassFormatError e) { 80 System.out.println("Test BadInitMethod passed for non-void <init>"); 81 } 82 } 83 } 84