1/*
2 * Copyright (c) 2011, 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 7022337
27 * @summary repeated warnings about bootclasspath not set
28 * @library /tools/javac/lib
29 * @modules jdk.compiler
30 * @build JavacTestingAbstractProcessor T7022337
31 * @run main T7022337
32 */
33
34import java.io.*;
35import java.util.*;
36import javax.annotation.processing.*;
37import javax.lang.model.element.*;
38import javax.tools.*;
39
40public class T7022337 extends JavacTestingAbstractProcessor {
41    public static void main(String... args) throws Exception {
42        new T7022337().run();
43    }
44
45    void run() throws Exception {
46        String myName = T7022337.class.getSimpleName();
47        File testSrc = new File(System.getProperty("test.src"));
48        File file = new File(testSrc, myName + ".java");
49
50        String out = compile(
51            "-XDrawDiagnostics",
52            "-d", ".",
53            "-processor", myName,
54            "-source", "8", // explicit use of older source value without bootclasspath
55            file.getPath());
56
57        int count = 0;
58        for (String line: out.split("[\r\n]+")) {
59            if (line.contains("compiler.warn.source.no.bootclasspath"))
60                count++;
61        }
62        if (count != 1)
63            throw new Exception("unexpected number of warnings found: " + count + ", expected: 1");
64    }
65
66    String compile(String... args) throws Exception {
67        StringWriter sw = new StringWriter();
68        PrintWriter pw = new PrintWriter(sw);
69        int rc = com.sun.tools.javac.Main.compile(args, pw);
70        pw.close();
71        String out = sw.toString();
72        if (!out.isEmpty())
73            System.err.println(out);
74        if (rc != 0)
75            throw new Exception("compilation failed unexpectedly: rc=" + rc);
76        return out;
77    }
78
79    // ----------
80
81    int round = 0;
82
83    @Override
84    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
85        round++;
86
87        final int MAXROUNDS = 3;
88        if (round < MAXROUNDS)
89            generate("Gen" + round);
90
91        return true;
92    }
93
94    void generate(String name) {
95        try {
96            JavaFileObject fo = filer.createSourceFile(name);
97            Writer out = fo.openWriter();
98            try {
99                out.write("class " + name + " { }");
100            } finally {
101                out.close();
102            }
103        } catch (IOException e) {
104            throw new Error(e);
105        }
106    }
107}
108