BadClassfile.java revision 3294:9adfb22ff08f
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.comp 33 * jdk.compiler/com.sun.tools.javac.jvm 34 * jdk.compiler/com.sun.tools.javac.main 35 * jdk.compiler/com.sun.tools.javac.util 36 * @build BadClassfile 37 * @run main BadClassfile 38 */ 39 40import com.sun.tools.classfile.*; 41import com.sun.tools.javac.api.JavacTaskImpl; 42import com.sun.tools.javac.code.ClassFinder.BadClassFile; 43import com.sun.tools.javac.code.Symbol; 44import com.sun.tools.javac.code.Symtab; 45import com.sun.tools.javac.comp.Modules; 46import com.sun.tools.javac.jvm.Target; 47import com.sun.tools.javac.util.Assert; 48import com.sun.tools.javac.util.JCDiagnostic; 49import com.sun.tools.javac.util.List; 50import java.io.File; 51import java.util.Arrays; 52import java.util.Objects; 53import javax.tools.JavaCompiler; 54import javax.tools.ToolProvider; 55 56public class BadClassfile { 57 public static void main(String... args) throws Exception { 58 test("BadClassfile$DefaultMethodTest", "compiler.misc.invalid.default.interface"); 59 test("BadClassfile$StaticMethodTest", "compiler.misc.invalid.static.interface"); 60 } 61 62 private static void test(String classname, String expected) throws Exception { 63 File classfile = new File(System.getProperty("test.classes", "."), classname + ".class"); 64 ClassFile cf = ClassFile.read(classfile); 65 66 cf = new ClassFile(cf.magic, Target.JDK1_7.minorVersion, 67 Target.JDK1_7.majorVersion, cf.constant_pool, cf.access_flags, 68 cf.this_class, cf.super_class, cf.interfaces, cf.fields, 69 cf.methods, cf.attributes); 70 71 new ClassWriter().write(cf, classfile); 72 73 JavaCompiler c = ToolProvider.getSystemJavaCompiler(); 74 JavacTaskImpl task = (JavacTaskImpl) c.getTask(null, null, null, Arrays.asList("-classpath", System.getProperty("test.classes", ".")), null, null); 75 Symtab syms = Symtab.instance(task.getContext()); 76 77 //initialize unnamed module: 78 Modules.instance(task.getContext()).enter(List.nil(), syms.errSymbol); 79 80 try { 81 Symbol clazz = com.sun.tools.javac.main.JavaCompiler.instance(task.getContext()).resolveIdent(syms.unnamedModule, classname); 82 83 clazz.complete(); 84 } catch (BadClassFile f) { 85 JCDiagnostic embeddedDiag = (JCDiagnostic) f.diag.getArgs()[1]; 86 assertEquals(expected, embeddedDiag.getCode()); 87 assertEquals(Integer.toString(Target.JDK1_7.majorVersion), embeddedDiag.getArgs()[0]); 88 assertEquals(Integer.toString(Target.JDK1_7.minorVersion), embeddedDiag.getArgs()[1]); 89 } 90 } 91 92 private static void assertEquals(Object expected, Object actual) { 93 Assert.check(Objects.equals(expected, actual), 94 "expected: " + expected + ", but was: " + actual); 95 } 96 97 interface DefaultMethodTest { 98 default void test() { } 99 } 100 interface StaticMethodTest { 101 static void test() { } 102 } 103} 104