BadInitMethod.java revision 9369:e296444235b5 
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.
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5 * This code is free software; you can redistribute it and/or modify it
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7 * published by the Free Software Foundation.
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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 *
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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24
25/*
26 * @test
27 * @bug 8130669
28 * @summary VM prohibits <clinit> methods with return values
29 * @compile nonvoidClinit.jasm
30 * @compile clinitNonStatic.jasm
31 * @compile clinitArg.jasm
32 * @compile clinitArg51.jasm
33 * @compile badInit.jasm
34 * @run main/othervm -Xverify:all BadInitMethod
35 */
36
37// Test that non-void <clinit>, non-static <clinit>, and non-void
38// <init> methods cause ClassFormatException's to be thrown.
39public class BadInitMethod {
40    public static void main(String args[]) throws Throwable {
41
42        System.out.println("Regression test for bug 8130669");
43        try {
44            Class newClass = Class.forName("nonvoidClinit");
45            throw new RuntimeException(
46                "Expected ClassFormatError exception for non-void <clinit> not thrown");
47        } catch (java.lang.ClassFormatError e) {
48            System.out.println("Test BadInitMethod passed for non-void <clinit>");
49        }
50
51        try {
52            Class newClass = Class.forName("clinitNonStatic");
53            throw new RuntimeException(
54                "Expected ClassFormatError exception for non-static <clinit> not thrown");
55        } catch (java.lang.ClassFormatError e) {
56            System.out.println("Test BadInitMethod passed for non-static <clinit>");
57        }
58
59        // <clinit> with args is allowed in class file version < 51.
60        try {
61            Class newClass = Class.forName("clinitArg");
62        } catch (java.lang.ClassFormatError e) {
63            throw new RuntimeException(
64                "Unexpected ClassFormatError exception for <clinit> with argument in class file < 51");
65        }
66
67        // <clinit> with args is not allowed in class file version >= 51.
68        try {
69            Class newClass = Class.forName("clinitArg51");
70            throw new RuntimeException(
71                "Expected ClassFormatError exception for <clinit> with argument not thrown");
72        } catch (java.lang.ClassFormatError e) {
73            System.out.println("Test BadInitMethod passed for <clinit> with argument");
74        }
75
76        try {
77            Class newClass = Class.forName("badInit");
78            throw new RuntimeException(
79                "Expected ClassFormatError exception for non-void <init> not thrown");
80        } catch (java.lang.ClassFormatError e) {
81            System.out.println("Test BadInitMethod passed for non-void <init>");
82        }
83    }
84}
85