ReleaseOptionThroughAPI.java revision 2973:0e8fa3249327 
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/**
25 * @test
26 * @bug 8072480
27 * @summary Verify that javac can handle -release when invoked using the Compiler API
28 */
29
30import java.io.IOException;
31import java.io.PrintWriter;
32import java.io.StringWriter;
33import java.util.Arrays;
34import java.util.List;
35import javax.tools.JavaCompiler;
36import javax.tools.JavaFileObject;
37import javax.tools.StandardJavaFileManager;
38import javax.tools.ToolProvider;
39
40public class ReleaseOptionThroughAPI {
41    public static void main(String... args) throws IOException {
42        new ReleaseOptionThroughAPI().run();
43    }
44
45    void run() throws IOException {
46        String lineSep = System.getProperty("line.separator");
47        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
48        try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);
49             StringWriter out = new StringWriter();
50             PrintWriter outWriter = new PrintWriter(out)) {
51            Iterable<? extends JavaFileObject> input =
52                    fm.getJavaFileObjects(System.getProperty("test.src") + "/ReleaseOption.java");
53            List<String> options = Arrays.asList("-release", "7", "-XDrawDiagnostics");
54
55            compiler.getTask(outWriter, fm, null, options, null, input).call();
56            String expected =
57                    "ReleaseOption.java:9:49: compiler.err.doesnt.exist: java.util.stream" + lineSep +
58                    "1 error" + lineSep;
59            if (!expected.equals(out.toString())) {
60                throw new AssertionError("Unexpected output: " + out.toString());
61            }
62        }
63    }
64}
65