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14335
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @library /testlibrary
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27 * @compile -XDignore.symbol.file UnsupportedClassFileVersion.java
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28 * @run main UnsupportedClassFileVersion
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29 */
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30
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31 import java.io.File;
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32 import java.io.FileOutputStream;
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33 import jdk.internal.org.objectweb.asm.ClassWriter;
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34 import jdk.internal.org.objectweb.asm.MethodVisitor;
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35 import jdk.internal.org.objectweb.asm.Opcodes;
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36 import com.oracle.java.testlibrary.*;
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37
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38 public class UnsupportedClassFileVersion implements Opcodes {
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39 public static void main(String... args) throws Exception {
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40 writeClassFile();
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41 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-cp", ".", "ClassFile");
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42 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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43 output.shouldContain("ClassFile has been compiled by a more recent version of the " +
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44 "Java Runtime (class file version 99.0), this version of " +
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45 "the Java Runtime only recognizes class file versions up to " +
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46 System.getProperty("java.class.version"));
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47
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48 output.shouldHaveExitValue(1);
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49 }
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50
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51 public static void writeClassFile() throws Exception {
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52 ClassWriter cw = new ClassWriter(0);
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53 MethodVisitor mv;
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54
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55 cw.visit(99, ACC_PUBLIC + ACC_SUPER, "ClassFile", null, "java/lang/Object", null);
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56 mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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57 mv.visitCode();
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58 mv.visitVarInsn(ALOAD, 0);
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59 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
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60 mv.visitInsn(RETURN);
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61 mv.visitMaxs(1, 1);
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62 mv.visitEnd();
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63 cw.visitEnd();
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64
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65 try (FileOutputStream fos = new FileOutputStream(new File("ClassFile.class"))) {
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66 fos.write(cw.toByteArray());
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67 }
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68 }
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69 }
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