1/*
2 * Copyright (c) 2005, 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     4813736 8015073
27 * @summary Provide a basic test of access to the Java Model from javac, and error messages
28 * @author  Peter von der Ah\u00e9
29 * @modules jdk.compiler/com.sun.tools.javac.api
30 * @run main TestJavacTask TestJavacTask.java
31 */
32
33import com.sun.tools.javac.api.JavacTaskImpl;
34
35import java.io.File;
36import java.io.IOException;
37import java.util.Arrays;
38import javax.lang.model.element.Element;
39import javax.tools.JavaCompiler;
40import javax.tools.JavaFileObject;
41import javax.tools.StandardJavaFileManager;
42import javax.tools.ToolProvider;
43
44public class TestJavacTask {
45    static final JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
46    static final StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);
47    static JavacTaskImpl getTask(File... file) {
48        Iterable<? extends JavaFileObject> files =
49            fm.getJavaFileObjectsFromFiles(Arrays.asList(file));
50        return (JavacTaskImpl)compiler.getTask(null, fm, null, null, null, files);
51    }
52
53    static void basicTest(String... args) throws IOException {
54        String srcdir = System.getProperty("test.src");
55        File file = new File(srcdir, args[0]);
56        JavacTaskImpl task = getTask(file);
57        for (Element clazz : task.enter(task.parse()))
58            System.out.println(clazz.getSimpleName());
59    }
60
61    static void checkKindError() {
62        final File testFile = new File("Test.java "); // <-note trailing space!
63        try {
64            getTask(testFile);
65        } catch (IllegalArgumentException iae) {
66            // The following check is somewhat fragile, since the content of the ILA is not
67            // formally specified. If we want to fix this, we should catch/rewrap ILA coming
68            // from use of java.nio.file.Path inside javac's impl of JavaFileManager.
69            if (!iae.getMessage().contains(testFile.getName())) {
70                System.err.println("Got message: " + iae.getMessage());
71                throw new RuntimeException("Error: expected string not found");
72            }
73        }
74    }
75
76    public static void main(String... args) throws IOException {
77        try {
78            basicTest(args);
79            checkKindError();
80        } finally {
81            fm.close();
82        }
83    }
84}
85