Mercurial > hg > graal-compiler
comparison test/runtime/ClassFile/UnsupportedClassFileVersion.java @ 17879:d55853ba088b
8016644: Improve UnsupportedClassVersionError message
Summary: Improved the UnsupportedClassVersionError message to hopefully be more user friendly
Reviewed-by: coleenp, dholmes, twisti
author | ctornqvi |
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date | Mon, 10 Feb 2014 17:49:17 +0100 |
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17878:947fa9a22898 | 17879:d55853ba088b |
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1 /* | |
2 * Copyright (c) 2014, 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 * @library /testlibrary | |
27 * @compile -XDignore.symbol.file UnsupportedClassFileVersion.java | |
28 * @run main UnsupportedClassFileVersion | |
29 */ | |
30 | |
31 import java.io.File; | |
32 import java.io.FileOutputStream; | |
33 import jdk.internal.org.objectweb.asm.ClassWriter; | |
34 import jdk.internal.org.objectweb.asm.MethodVisitor; | |
35 import jdk.internal.org.objectweb.asm.Opcodes; | |
36 import com.oracle.java.testlibrary.*; | |
37 | |
38 public class UnsupportedClassFileVersion implements Opcodes { | |
39 public static void main(String... args) throws Exception { | |
40 writeClassFile(); | |
41 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-cp", ".", "ClassFile"); | |
42 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
43 output.shouldContain("ClassFile has been compiled by a more recent version of the " + | |
44 "Java Runtime (class file version 99.0), this version of " + | |
45 "the Java Runtime only recognizes class file versions up to " + | |
46 System.getProperty("java.class.version")); | |
47 | |
48 output.shouldHaveExitValue(1); | |
49 } | |
50 | |
51 public static void writeClassFile() throws Exception { | |
52 ClassWriter cw = new ClassWriter(0); | |
53 MethodVisitor mv; | |
54 | |
55 cw.visit(99, ACC_PUBLIC + ACC_SUPER, "ClassFile", null, "java/lang/Object", null); | |
56 mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); | |
57 mv.visitCode(); | |
58 mv.visitVarInsn(ALOAD, 0); | |
59 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); | |
60 mv.visitInsn(RETURN); | |
61 mv.visitMaxs(1, 1); | |
62 mv.visitEnd(); | |
63 cw.visitEnd(); | |
64 | |
65 try (FileOutputStream fos = new FileOutputStream(new File("ClassFile.class"))) { | |
66 fos.write(cw.toByteArray()); | |
67 } | |
68 } | |
69 } |