Mercurial > hg > graal-jvmci-8
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/ClassFile/UnsupportedClassFileVersion.java Mon Feb 10 17:49:17 2014 +0100 @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @library /testlibrary + * @compile -XDignore.symbol.file UnsupportedClassFileVersion.java + * @run main UnsupportedClassFileVersion + */ + +import java.io.File; +import java.io.FileOutputStream; +import jdk.internal.org.objectweb.asm.ClassWriter; +import jdk.internal.org.objectweb.asm.MethodVisitor; +import jdk.internal.org.objectweb.asm.Opcodes; +import com.oracle.java.testlibrary.*; + +public class UnsupportedClassFileVersion implements Opcodes { + public static void main(String... args) throws Exception { + writeClassFile(); + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, "-cp", ".", "ClassFile"); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + output.shouldContain("ClassFile has been compiled by a more recent version of the " + + "Java Runtime (class file version 99.0), this version of " + + "the Java Runtime only recognizes class file versions up to " + + System.getProperty("java.class.version")); + + output.shouldHaveExitValue(1); + } + + public static void writeClassFile() throws Exception { + ClassWriter cw = new ClassWriter(0); + MethodVisitor mv; + + cw.visit(99, ACC_PUBLIC + ACC_SUPER, "ClassFile", null, "java/lang/Object", null); + mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); + mv.visitCode(); + mv.visitVarInsn(ALOAD, 0); + mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); + mv.visitInsn(RETURN); + mv.visitMaxs(1, 1); + mv.visitEnd(); + cw.visitEnd(); + + try (FileOutputStream fos = new FileOutputStream(new File("ClassFile.class"))) { + fos.write(cw.toByteArray()); + } + } +}