test/runtime/ClassFile/UnsupportedClassFileVersion.java

Mon, 12 May 2014 06:17:05 -0700

author
mikael
date
Mon, 12 May 2014 06:17:05 -0700
changeset 6916
637e659fb097
parent 0
f90c822e73f8
permissions
-rw-r--r--

8042804: Support invoking Hotspot tests from top level
Reviewed-by: sla, erikj

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 }

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