Fri, 24 Apr 2020 03:58:51 +0100
Merge
1 /*
2 * Copyright (c) 2013, 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 */
24 /*
25 * @test
26 * @bug 8025087
27 * @summary Verify that pre-JDK8 classfiles with default and/or static methods
28 * are refused correctly.
29 * @build BadClassfile
30 * @run main BadClassfile
31 */
33 import com.sun.tools.classfile.*;
34 import com.sun.tools.javac.api.JavacTaskImpl;
35 import com.sun.tools.javac.code.Symbol;
36 import com.sun.tools.javac.jvm.ClassReader.BadClassFile;
37 import com.sun.tools.javac.jvm.Target;
38 import com.sun.tools.javac.util.Assert;
39 import com.sun.tools.javac.util.JCDiagnostic;
40 import java.io.File;
41 import java.util.Arrays;
42 import java.util.Objects;
43 import javax.tools.JavaCompiler;
44 import javax.tools.ToolProvider;
46 public class BadClassfile {
47 public static void main(String... args) throws Exception {
48 test("BadClassfile$DefaultMethodTest", "compiler.misc.invalid.default.interface");
49 test("BadClassfile$StaticMethodTest", "compiler.misc.invalid.static.interface");
50 }
52 private static void test(String classname, String expected) throws Exception {
53 File classfile = new File(System.getProperty("test.classes", "."), classname + ".class");
54 ClassFile cf = ClassFile.read(classfile);
56 cf = new ClassFile(cf.magic, Target.JDK1_7.minorVersion,
57 Target.JDK1_7.majorVersion, cf.constant_pool, cf.access_flags,
58 cf.this_class, cf.super_class, cf.interfaces, cf.fields,
59 cf.methods, cf.attributes);
61 new ClassWriter().write(cf, classfile);
63 JavaCompiler c = ToolProvider.getSystemJavaCompiler();
64 JavacTaskImpl task = (JavacTaskImpl) c.getTask(null, null, null, Arrays.asList("-classpath", System.getProperty("test.classes", ".")), null, null);
66 try {
67 Symbol clazz = com.sun.tools.javac.main.JavaCompiler.instance(task.getContext()).resolveIdent(classname);
69 clazz.complete();
70 } catch (BadClassFile f) {
71 JCDiagnostic embeddedDiag = (JCDiagnostic) f.diag.getArgs()[1];
72 assertEquals(expected, embeddedDiag.getCode());
73 assertEquals(Integer.toString(Target.JDK1_7.majorVersion), embeddedDiag.getArgs()[0]);
74 assertEquals(Integer.toString(Target.JDK1_7.minorVersion), embeddedDiag.getArgs()[1]);
75 }
76 }
78 private static void assertEquals(Object expected, Object actual) {
79 Assert.check(Objects.equals(expected, actual),
80 "expected: " + expected + ", but was: " + actual);
81 }
83 interface DefaultMethodTest {
84 default void test() { }
85 }
86 interface StaticMethodTest {
87 static void test() { }
88 }
89 }