jdk8-mips64-public/langtools: test/tools/javac/api/TestJavacTask.java@82044fe8c7f7

8015073: c.s.t.javac.api.JavacTool.getTask() - more informative exception
Reviewed-by: jjg

     1 /*

     2  * Copyright (c) 2005, 2013, 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  */

    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  * @run main TestJavacTask TestJavacTask.java

    30  */

    32 import com.sun.tools.javac.api.JavacTaskImpl;

    33 import java.io.File;

    34 import java.io.IOException;

    35 import java.util.Arrays;

    36 import javax.lang.model.element.TypeElement;

    37 import javax.tools.JavaCompiler;

    38 import javax.tools.JavaFileObject;

    39 import javax.tools.StandardJavaFileManager;

    40 import javax.tools.ToolProvider;

    42 public class TestJavacTask {

    43     static final JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

    44     static JavacTaskImpl getTask(File... file) {

    45         StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);

    46         Iterable<? extends JavaFileObject> files =

    47             fm.getJavaFileObjectsFromFiles(Arrays.asList(file));

    48         return (JavacTaskImpl)compiler.getTask(null, fm, null, null, null, files);

    49     }

    51     static void basicTest(String... args) throws IOException {

    52         String srcdir = System.getProperty("test.src");

    53         File file = new File(srcdir, args[0]);

    54         JavacTaskImpl task = getTask(file);

    55         for (TypeElement clazz : task.enter(task.parse()))

    56             System.out.println(clazz.getSimpleName());

    57     }

    59     static void checkKindError() {

    60         final File testFile = new File("Test.java "); // <-note trailing space!

    61         try {

    62             getTask(testFile);

    63         } catch (IllegalArgumentException iae) {

    64             if (!iae.getMessage().contains("\"" + testFile.getName() + "\"")) {

    65                 System.err.println("Got message: " + iae.getMessage());

    66                 throw new RuntimeException("Error: expected string not found");

    67             }

    68         }

    69     }

    71     public static void main(String... args) throws IOException {

    72         basicTest(args);

    73         checkKindError();

    74     }

    75 }

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