Tue, 08 Aug 2017 15:57:29 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @library /testlibrary |
aoqi@0 | 27 | * @compile -XDignore.symbol.file UnsupportedClassFileVersion.java |
aoqi@0 | 28 | * @run main UnsupportedClassFileVersion |
aoqi@0 | 29 | */ |
aoqi@0 | 30 | |
aoqi@0 | 31 | import java.io.File; |
aoqi@0 | 32 | import java.io.FileOutputStream; |
aoqi@0 | 33 | import jdk.internal.org.objectweb.asm.ClassWriter; |
aoqi@0 | 34 | import jdk.internal.org.objectweb.asm.MethodVisitor; |
aoqi@0 | 35 | import jdk.internal.org.objectweb.asm.Opcodes; |
aoqi@0 | 36 | import com.oracle.java.testlibrary.*; |
aoqi@0 | 37 | |
aoqi@0 | 38 | public class UnsupportedClassFileVersion implements Opcodes { |
aoqi@0 | 39 | public static void main(String... args) throws Exception { |
aoqi@0 | 40 | writeClassFile(); |
aoqi@0 | 41 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-cp", ".", "ClassFile"); |
aoqi@0 | 42 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 43 | output.shouldContain("ClassFile has been compiled by a more recent version of the " + |
aoqi@0 | 44 | "Java Runtime (class file version 99.0), this version of " + |
aoqi@0 | 45 | "the Java Runtime only recognizes class file versions up to " + |
aoqi@0 | 46 | System.getProperty("java.class.version")); |
aoqi@0 | 47 | |
aoqi@0 | 48 | output.shouldHaveExitValue(1); |
aoqi@0 | 49 | } |
aoqi@0 | 50 | |
aoqi@0 | 51 | public static void writeClassFile() throws Exception { |
aoqi@0 | 52 | ClassWriter cw = new ClassWriter(0); |
aoqi@0 | 53 | MethodVisitor mv; |
aoqi@0 | 54 | |
aoqi@0 | 55 | cw.visit(99, ACC_PUBLIC + ACC_SUPER, "ClassFile", null, "java/lang/Object", null); |
aoqi@0 | 56 | mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); |
aoqi@0 | 57 | mv.visitCode(); |
aoqi@0 | 58 | mv.visitVarInsn(ALOAD, 0); |
aoqi@0 | 59 | mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
aoqi@0 | 60 | mv.visitInsn(RETURN); |
aoqi@0 | 61 | mv.visitMaxs(1, 1); |
aoqi@0 | 62 | mv.visitEnd(); |
aoqi@0 | 63 | cw.visitEnd(); |
aoqi@0 | 64 | |
aoqi@0 | 65 | try (FileOutputStream fos = new FileOutputStream(new File("ClassFile.class"))) { |
aoqi@0 | 66 | fos.write(cw.toByteArray()); |
aoqi@0 | 67 | } |
aoqi@0 | 68 | } |
aoqi@0 | 69 | } |