1 /* 2 * Copyright (c) 2013, 2015, 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 * @bug 8025087 27 * @summary Verify that pre-JDK8 classfiles with default and/or static methods 28 * are refused correctly. 29 * @modules jdk.jdeps/com.sun.tools.classfile 30 * jdk.compiler/com.sun.tools.javac.api 31 * jdk.compiler/com.sun.tools.javac.code 32 * jdk.compiler/com.sun.tools.javac.jvm 33 * jdk.compiler/com.sun.tools.javac.main 34 * jdk.compiler/com.sun.tools.javac.util 35 * @build BadClassfile 36 * @run main BadClassfile 37 */ 38 39 import com.sun.tools.classfile.*; 40 import com.sun.tools.javac.api.JavacTaskImpl; 41 import com.sun.tools.javac.code.ClassFinder.BadClassFile; 42 import com.sun.tools.javac.code.Symbol; 43 import com.sun.tools.javac.jvm.Target; 44 import com.sun.tools.javac.util.Assert; 45 import com.sun.tools.javac.util.JCDiagnostic; 46 import java.io.File; 47 import java.util.Arrays; 48 import java.util.Objects; 49 import javax.tools.JavaCompiler; 50 import javax.tools.ToolProvider; 51 52 public class BadClassfile { 53 public static void main(String... args) throws Exception { 54 test("BadClassfile$DefaultMethodTest", "compiler.misc.invalid.default.interface"); 55 test("BadClassfile$StaticMethodTest", "compiler.misc.invalid.static.interface"); 56 } 57 58 private static void test(String classname, String expected) throws Exception { 59 File classfile = new File(System.getProperty("test.classes", "."), classname + ".class"); 60 ClassFile cf = ClassFile.read(classfile); 61 62 cf = new ClassFile(cf.magic, Target.JDK1_7.minorVersion, 63 Target.JDK1_7.majorVersion, cf.constant_pool, cf.access_flags, 64 cf.this_class, cf.super_class, cf.interfaces, cf.fields, 65 cf.methods, cf.attributes); 66 67 new ClassWriter().write(cf, classfile); 68 69 JavaCompiler c = ToolProvider.getSystemJavaCompiler(); 70 JavacTaskImpl task = (JavacTaskImpl) c.getTask(null, null, null, Arrays.asList("-classpath", System.getProperty("test.classes", ".")), null, null); 71 72 try { 73 Symbol clazz = com.sun.tools.javac.main.JavaCompiler.instance(task.getContext()).resolveIdent(classname); 74 75 clazz.complete(); 76 } catch (BadClassFile f) { 77 JCDiagnostic embeddedDiag = (JCDiagnostic) f.diag.getArgs()[1]; 78 assertEquals(expected, embeddedDiag.getCode()); 79 assertEquals(Integer.toString(Target.JDK1_7.majorVersion), embeddedDiag.getArgs()[0]); 80 assertEquals(Integer.toString(Target.JDK1_7.minorVersion), embeddedDiag.getArgs()[1]); 81 } 82 } 83 84 private static void assertEquals(Object expected, Object actual) { 85 Assert.check(Objects.equals(expected, actual), 86 "expected: " + expected + ", but was: " + actual); 87 } 88 89 interface DefaultMethodTest { 90 default void test() { } 91 } 92 interface StaticMethodTest { 93 static void test() { } 94 } 95 }