T8068517.java revision 2794:a510d7536fa1 
1/*
2 * Copyright (c) 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/** @test
25 *  @bug 8034854
26 *  @summary Verify that nested enums have correct abstract flag in the InnerClasses attribute.
27 *  @library /tools/lib
28 *  @build ToolBox T8068517
29 *  @run main T8068517
30 */
31
32import com.sun.tools.javac.util.Assert;
33import java.util.Arrays;
34import javax.tools.JavaFileManager;
35import javax.tools.StandardLocation;
36import javax.tools.ToolProvider;
37
38public class T8068517 {
39
40    public static void main(String[] args) throws Exception {
41        new T8068517().run();
42    }
43
44    void run() throws Exception {
45        runTest("class A {\n" +
46                "    enum AInner implements Runnable {\n" +
47                "        A {\n" +
48                "            public void run() {}\n" +
49                "        };\n" +
50                "    }\n" +
51                "}\n",
52                "class B {\n" +
53                "    A.AInner a;\n" +
54                "}");
55        runTest("class A {\n" +
56                "    enum AInner implements Runnable {\n" +
57                "        A {\n" +
58                "            public void run() {}\n" +
59                "        };\n" +
60                "    }\n" +
61                "    AInner aInner;\n" +
62                "}\n",
63                "class B {\n" +
64                "    void test(A a) {;\n" +
65                "        switch (a.aInner) {\n" +
66                "            case A: break;\n" +
67                "        }\n" +
68                "    };\n" +
69                "}");
70        runTest("class A {\n" +
71                "    enum AInner implements Runnable {\n" +
72                "        A {\n" +
73                "            public void run() {}\n" +
74                "        };\n" +
75                "    }\n" +
76                "    AInner aInner;\n" +
77                "}\n",
78                "class B {\n" +
79                "    void test(A a) {;\n" +
80                "        System.err.println(a.aInner.toString());\n" +
81                "    };\n" +
82                "}");
83        runTest("class A {\n" +
84                "    enum AInner implements Runnable {\n" +
85                "        A {\n" +
86                "            public void run() {}\n" +
87                "        };\n" +
88                "    }\n" +
89                "    AInner aInner() {\n" +
90                "        return null;\n" +
91                "    }\n" +
92                "}\n",
93                "class B {\n" +
94                "    void test(A a) {;\n" +
95                "        System.err.println(a.aInner().toString());\n" +
96                "    };\n" +
97                "}");
98    }
99
100    void runTest(String aJava, String bJava) throws Exception {
101        try (JavaFileManager fm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null)) {
102            ToolBox tb = new ToolBox();
103            ToolBox.MemoryFileManager memoryFM1 = new ToolBox.MemoryFileManager(fm);
104            tb.new JavacTask().fileManager(memoryFM1)
105                              .sources(aJava, bJava)
106                              .run();
107            ToolBox.MemoryFileManager memoryFM2 = new ToolBox.MemoryFileManager(fm);
108            tb.new JavacTask().fileManager(memoryFM2)
109                              .sources(bJava, aJava)
110                              .run();
111
112            Assert.check(Arrays.equals(memoryFM1.getFileBytes(StandardLocation.CLASS_OUTPUT, "B"),
113                                       memoryFM2.getFileBytes(StandardLocation.CLASS_OUTPUT, "B")));
114        }
115    }
116}
117