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 

    30 import java.io.IOException;

    31 import java.io.PrintWriter;

    32 import java.io.StringWriter;

    33 import java.util.Arrays;

    34 import java.util.List;

    35 import javax.tools.JavaCompiler;

    36 import javax.tools.JavaFileObject;

    37 import javax.tools.StandardJavaFileManager;

    38 import javax.tools.ToolProvider;

    39 

    40 public 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 }