BadClassfile.java revision 3552:467ad69d5948 
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.jvm.Target;
46import com.sun.tools.javac.util.Assert;
47import com.sun.tools.javac.util.JCDiagnostic;
48import java.io.File;
49import java.util.Arrays;
50import java.util.Objects;
51import javax.tools.JavaCompiler;
52import javax.tools.ToolProvider;
53
54public class BadClassfile {
55    public static void main(String... args) throws Exception {
56        test("BadClassfile$DefaultMethodTest", "compiler.misc.invalid.default.interface");
57        test("BadClassfile$StaticMethodTest", "compiler.misc.invalid.static.interface");
58    }
59
60    private static void test(String classname, String expected) throws Exception {
61        File classfile = new File(System.getProperty("test.classes", "."), classname + ".class");
62        ClassFile cf = ClassFile.read(classfile);
63
64        cf = new ClassFile(cf.magic, Target.JDK1_7.minorVersion,
65                 Target.JDK1_7.majorVersion, cf.constant_pool, cf.access_flags,
66                cf.this_class, cf.super_class, cf.interfaces, cf.fields,
67                cf.methods, cf.attributes);
68
69        new ClassWriter().write(cf, classfile);
70
71        JavaCompiler c = ToolProvider.getSystemJavaCompiler();
72        JavacTaskImpl task = (JavacTaskImpl) c.getTask(null, null, null, Arrays.asList("-classpath", System.getProperty("test.classes", ".")), null, null);
73        Symtab syms = Symtab.instance(task.getContext());
74
75        task.ensureEntered();
76
77        try {
78            Symbol clazz = com.sun.tools.javac.main.JavaCompiler.instance(task.getContext()).resolveIdent(syms.unnamedModule, classname);
79
80            clazz.complete();
81        } catch (BadClassFile f) {
82            JCDiagnostic embeddedDiag = (JCDiagnostic) f.diag.getArgs()[1];
83            assertEquals(expected, embeddedDiag.getCode());
84            assertEquals(Integer.toString(Target.JDK1_7.majorVersion), embeddedDiag.getArgs()[0]);
85            assertEquals(Integer.toString(Target.JDK1_7.minorVersion), embeddedDiag.getArgs()[1]);
86        }
87    }
88
89    private static void assertEquals(Object expected, Object actual) {
90        Assert.check(Objects.equals(expected, actual),
91                     "expected: " + expected + ", but was: " + actual);
92    }
93
94    interface DefaultMethodTest {
95        default void test() { }
96    }
97    interface StaticMethodTest {
98        static void test() { }
99    }
100}
101