jdk8-mips64-public/langtools: test/tools/javac/api/TestJavacTask

7044486: open jdk repos have files with incorrect copyright headers, which can end up in src bundles
Reviewed-by: ohair, trims

     1 /*

     2  * Copyright (c) 2011, 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 7026509

    27  * @summary Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations

    28  */

    30 import java.io.*;

    31 import java.util.*;

    32 import javax.lang.model.element.*;

    33 import javax.tools.*;

    34 import com.sun.source.tree.*;

    35 import com.sun.source.util.*;

    37 public class TestJavacTask_ParseAttrGen {

    38     public static void main(String... args) throws Exception {

    39         new TestJavacTask_ParseAttrGen().run();

    40     }

    42     JavaCompiler comp;

    43     StandardJavaFileManager fm;

    45     void run() throws Exception {

    46         comp = ToolProvider.getSystemJavaCompiler();

    47         fm = comp.getStandardFileManager(null, null, null);

    49         final boolean[] booleanValues = { false, true };

    50         for (boolean pk: booleanValues) {

    51             for (boolean ak: booleanValues) {

    52                 for (boolean gk: booleanValues) {

    53                     test(pk, ak, gk);

    54                 }

    55             }

    56         }

    57     }

    59     void test(boolean pk, boolean ak, boolean gk) throws Exception {

    60         if (!pk && !ak && !gk)  // nothing to do

    61             return;

    63         System.err.println("test: pk:" + pk + ", ak:" + ak + ", gk: " + gk);

    64         File testSrc = new File(System.getProperty("test.src"));

    65         String thisClassName = TestJavacTask_ParseAttrGen.class.getName();

    66         Iterable<? extends JavaFileObject> files =

    67                 fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java"));

    68         File tmpDir = new File((pk ? "p" : "") + (ak ? "a" : "") + (gk ? "g" : ""));

    69         tmpDir.mkdirs();

    70         fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(tmpDir));

    71         JavacTask t = (JavacTask) comp.getTask(null, fm, null, null, null, files);

    72         //t.setTaskListener(createTaskListener());

    74         try {

    75             if (pk) {

    76                 Iterable<? extends CompilationUnitTree> trees = t.parse();

    77                 System.err.println(count(trees) + " trees parsed");

    78             }

    80             if (ak) {

    81                 Iterable<? extends Element> elems = t.analyze();

    82                 System.err.println(count(elems) + " elements analyzed");

    83             }

    85             if (gk) {

    86                 Iterable<? extends JavaFileObject> classfiles = t.generate();

    87                 System.err.println(count(classfiles) + " class files generated");

    88             }

    89         } catch (IOException e) {

    90             error("unexpected exception caught: " + e);

    91         }

    93         File[] genFiles = tmpDir.listFiles();

    94         int expect = (gk ? 2 : 0); // main class and anon class for TaskListener

    95         if (genFiles.length != expect)

    96             error("unexpected number of files generated: " + genFiles.length

    97                     + ", expected: " + expect);

    99         System.err.println();

   100     }

   102     TaskListener createTaskListener() {

   103         return new TaskListener() {

   104             public void started(TaskEvent e) {

   105                 System.err.println(e + " started");

   106             }

   108             public void finished(TaskEvent e) {

   109                 System.err.println(e + " finished");

   110             }

   111         };

   112     }

   114     <T> int count(Iterable<T> items) {

   115         int count = 0;

   116         for (T item: items)

   117             count++;

   118         return count;

   119     }

   121     void error(String msg) {

   122         System.err.println("Error: " + msg);

   123         errors++;

   124     }

   126     int errors;

   127 }

test/tools/javac/api/TestJavacTask_ParseAttrGen.java@8eb952f43b11