FieldOverloadKindNotAssignedTest.java revision 4077:24582dd2649a 
1/*
2 * Copyright (c) 2017, 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 8176714
27 * @summary javac is wrongly assuming that field JCMemberReference.overloadKind has been assigned to
28 * @library /tools/javac/lib
29 * @modules jdk.compiler/com.sun.source.util
30 *          jdk.compiler/com.sun.tools.javac.api
31 *          jdk.compiler/com.sun.tools.javac.code
32 *          jdk.compiler/com.sun.tools.javac.file
33 *          jdk.compiler/com.sun.tools.javac.tree
34 *          jdk.compiler/com.sun.tools.javac.util
35 * @build DPrinter
36 * @run main FieldOverloadKindNotAssignedTest
37 */
38
39import java.net.URI;
40import java.util.Arrays;
41
42import javax.tools.JavaCompiler;
43import javax.tools.JavaFileObject;
44import javax.tools.SimpleJavaFileObject;
45import javax.tools.ToolProvider;
46
47import com.sun.source.tree.CompilationUnitTree;
48import com.sun.source.util.JavacTask;
49import com.sun.tools.javac.file.JavacFileManager;
50import com.sun.tools.javac.tree.JCTree;
51import com.sun.tools.javac.tree.JCTree.JCMemberReference;
52import com.sun.tools.javac.tree.TreeScanner;
53import com.sun.tools.javac.util.Assert;
54import com.sun.tools.javac.util.Context;
55
56public class FieldOverloadKindNotAssignedTest {
57    public static void main(String... args) throws Exception {
58        new FieldOverloadKindNotAssignedTest().run();
59    }
60
61    void run() throws Exception {
62        Context context = new Context();
63        JavacFileManager.preRegister(context);
64        final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
65        JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, Arrays.asList(new JavaSource()));
66        Iterable<? extends CompilationUnitTree> elements = ct.parse();
67        ct.analyze();
68        Assert.check(elements.iterator().hasNext());
69        JCTree topLevel = (JCTree)elements.iterator().next();
70        new TreeScanner() {
71            @Override
72            public void visitReference(JCMemberReference tree) {
73                Assert.check(tree.getOverloadKind() != null);
74            }
75        }.scan(topLevel);
76    }
77
78    static class JavaSource extends SimpleJavaFileObject {
79
80        String source =
81                "import java.util.function.*;\n" +
82
83                "class Test {\n" +
84                "    void m(Predicate<String> psi) {}\n" +
85                "    void m(Function<String, String> fss) {}\n" +
86
87                "    void foo(boolean b) {\n" +
88                "        m(b ? s -> false : Test::g);\n" +
89                "    }\n" +
90
91                "    static boolean g(String s) { return false; }\n" +
92                "    static boolean g(Integer i) { return false; }\n" +
93                "}";
94
95        public JavaSource() {
96            super(URI.create("myfo:/Foo.java"), JavaFileObject.Kind.SOURCE);
97        }
98
99        @Override
100        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
101            return source;
102        }
103    }
104}
105