1 /*
   2  * Copyright (c) 2014, 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 8042251
  27  * @summary Testing InnerClasses_attribute of inner classes in local class.
  28  * @library /tools/lib /tools/javac/lib ../lib
  29  * @modules jdk.compiler/com.sun.tools.classfile
  30  *          jdk.compiler/com.sun.tools.javac.api
  31  *          jdk.compiler/com.sun.tools.javac.file
  32  *          jdk.compiler/com.sun.tools.javac.main
  33  * @build InnerClassesTestBase TestResult TestBase InMemoryFileManager ToolBox
  34  * @run main InnerClassesInLocalClassTest
  35  */
  36 
  37 import java.util.*;
  38 
  39 public class InnerClassesInLocalClassTest extends InnerClassesTestBase {
  40 
  41     private final static Modifier[] LOCAL_CLASS_MODIFIERS =
  42             new Modifier[]{Modifier.EMPTY, Modifier.ABSTRACT, Modifier.FINAL};
  43     private final static String CLASS_TEMPLATE =
  44             "public %CLASS% OuterClass {\n" +
  45             "%SOURCE%\n" +
  46             "}";
  47 
  48     private final List<Data> innerClassesData;
  49 
  50     public InnerClassesInLocalClassTest() {
  51         innerClassesData = new ArrayList<>();
  52         for (Modifier outerModifier : LOCAL_CLASS_MODIFIERS) {
  53             StringBuilder sb = new StringBuilder();
  54             sb.append(outerModifier.getString()).append(' ');
  55             sb.append("class Local {");
  56             Map<String, Set<String>> class2Flags = new HashMap<>();
  57             for (int i = 0; i < LOCAL_CLASS_MODIFIERS.length; ++i) {
  58                 Modifier innerModifier = LOCAL_CLASS_MODIFIERS[i];
  59                 sb.append(innerModifier.getString()).append(' ')
  60                         .append("class").append(' ')
  61                         .append('A').append(i).append("{}\n");
  62                 class2Flags.put("A" + i, getFlags(innerModifier));
  63             }
  64             sb.append("};");
  65             class2Flags.put("1Local", getFlags(outerModifier));
  66             innerClassesData.add(new Data(sb.toString(), class2Flags));
  67         }
  68     }
  69 
  70     public static void main(String[] args) throws TestFailedException {
  71         InnerClassesTestBase test = new InnerClassesInLocalClassTest();
  72         test.test("OuterClass$1Local", "1Local");
  73     }
  74 
  75     @Override
  76     public void setProperties() {
  77     }
  78 
  79     @Override
  80     public List<TestCase> generateTestCases() {
  81         List<TestCase> testCases = new ArrayList<>();
  82         testCases.addAll(localClassInClassMethod());
  83         testCases.addAll(localClassInInterfaceMethod());
  84         return testCases;
  85     }
  86 
  87     private List<TestCase> localClassInClassMethod() {
  88         List<TestCase> list = new ArrayList<>();
  89         String template = CLASS_TEMPLATE.replace("%CLASS%", "class");
  90         list.addAll(lambda(template));
  91         list.addAll(constructor(template));
  92         list.addAll(method(template,
  93                 new Modifier[]{Modifier.EMPTY, Modifier.PRIVATE, Modifier.PROTECTED, Modifier.PUBLIC},
  94                 new Modifier[]{Modifier.EMPTY, Modifier.FINAL, Modifier.STATIC}));
  95         list.addAll(staticAndInstanceInitializer(template));
  96         return list;
  97     }
  98 
  99     private List<TestCase> localClassInInterfaceMethod() {
 100         String template = CLASS_TEMPLATE.replace("%CLASS%", "interface");
 101         return method(template,
 102                 new Modifier[]{Modifier.EMPTY, Modifier.PUBLIC},
 103                 new Modifier[]{Modifier.DEFAULT, Modifier.STATIC});
 104     }
 105 
 106     private List<TestCase> generate(String template, String prefix, String suffix) {
 107         List<TestCase> list = new ArrayList<>();
 108         for (Data data : innerClassesData) {
 109             list.add(new TestCase(template.replace("%SOURCE%",
 110                     prefix + data.sources + suffix),
 111                     data.class2Flags));
 112         }
 113         return list;
 114     }
 115 
 116     private List<TestCase> lambda(String template) {
 117         return generate(template, "Runnable run = () -> {", "};");
 118     }
 119 
 120     private List<TestCase> constructor(String template) {
 121         List<TestCase> list = new ArrayList<>();
 122         for (Modifier modifier :
 123                 new Modifier[]{Modifier.EMPTY, Modifier.PRIVATE, Modifier.PROTECTED, Modifier.PUBLIC}) {
 124             list.addAll(generate(template, modifier.getString() + " OuterClass() {", "}"));
 125         }
 126         return list;
 127     }
 128 
 129     private List<TestCase> method(String template, Modifier[] mods, Modifier[] otherMods) {
 130         List<TestCase> list = new ArrayList<>();
 131         for (Modifier modifier : mods) {
 132             for (Modifier otherMod : otherMods) {
 133                 list.addAll(generate(template,
 134                         String.format("%s %s void method() {",
 135                                 modifier.getString(),
 136                                 otherMod.getString()),
 137                         "}"));
 138             }
 139         }
 140         return list;
 141     }
 142 
 143     private List<TestCase> staticAndInstanceInitializer(String template) {
 144         List<TestCase> list = new ArrayList<>();
 145         for (Modifier modifier : new Modifier[]{Modifier.EMPTY, Modifier.STATIC}) {
 146             list.addAll(generate(template, modifier.getString() + "{", "}"));
 147         }
 148         return list;
 149     }
 150 
 151     private Set<String> getFlags(Modifier modifier) {
 152         HashSet<String> set = new HashSet<>();
 153         if (modifier != Modifier.EMPTY) {
 154             set.add("ACC_" + modifier.getString().toUpperCase());
 155         }
 156         return set;
 157     }
 158 
 159     /**
 160      * Class represents part of sources which is inserted in other code.
 161      */
 162     private static class Data {
 163         public final String sources;
 164         public final Map<String, Set<String>> class2Flags;
 165 
 166         public Data(String sources, Map<String, Set<String>> class2Flags) {
 167             this.sources = sources;
 168             this.class2Flags = class2Flags;
 169         }
 170     }
 171 }