jdk8-mips64-public/langtools: test/tools/javac/api/taskListeners/TestSimpleAddRemove.java@f5e5ca7505e2 (annotated)

test/tools/javac/api/taskListeners/TestSimpleAddRemove.java@f5e5ca7505e2 (annotated)

test/tools/javac/api/taskListeners/TestSimpleAddRemove.java

Wed, 08 Oct 2014 14:16:40 -0700

author: asaha
date: Wed, 08 Oct 2014 14:16:40 -0700
changeset 2586: f5e5ca7505e2
parent 0: 959103a6100f
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug     7093891
  * @summary support multiple task listeners
  */
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.EnumMap;
 import java.util.List;
 import java.util.Set;
 import javax.annotation.processing.AbstractProcessor;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedAnnotationTypes;
 import javax.lang.model.element.TypeElement;
 import javax.tools.JavaFileObject;
 import javax.tools.SimpleJavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.StandardLocation;
 import javax.tools.ToolProvider;
 import com.sun.source.util.JavacTask;
 import com.sun.source.util.TaskEvent;
 import com.sun.source.util.TaskListener;
 import com.sun.tools.javac.api.JavacTool;
 public class TestSimpleAddRemove {
     enum AddKind {
         SET_IN_TASK,
         ADD_IN_TASK,
         ADD_IN_PROCESSOR,
         ADD_IN_LISTENER;
     }
     enum RemoveKind {
         REMOVE_IN_TASK,
         REMOVE_IN_PROCESSOR,
         REMOVE_IN_LISTENER,
     }
     enum CompileKind {
         CALL {
             void run(JavacTask t) {
                 if (!t.call()) throw new Error("compilation failed");
             }
         },
         GENERATE {
             void run(JavacTask t) throws IOException {
                 t.generate();
             }
         };
         abstract void run(JavacTask t) throws IOException;
     }
     static class EventKindCounter extends EnumMap<TaskEvent.Kind, EventKindCounter.Count> {
         static class Count {
             int started;
             int finished;
             @Override
             public String toString() {
                 return started + ":" + finished;
             }
         }
         EventKindCounter() {
             super(TaskEvent.Kind.class);
         }
         void inc(TaskEvent.Kind k, boolean started) {
             Count c = get(k);
             if (c == null)
                 put(k, c = new Count());
             if (started)
                 c.started++;
             else
                 c.finished++;
         }
     }
     static class TestListener implements TaskListener {
         EventKindCounter counter;
         TestListener(EventKindCounter c) {
             counter = c;
         }
         public void started(TaskEvent e) {
             counter.inc(e.getKind(), true);
         }
         public void finished(TaskEvent e) {
             counter.inc(e.getKind(), false);
         }
     }
     static void addInListener(final JavacTask task, final TaskEvent.Kind kind, final TaskListener listener) {
         task.addTaskListener(new TaskListener() {
             public void started(TaskEvent e) {
                 if (e.getKind() == kind) {
                     task.addTaskListener(listener);
                     task.removeTaskListener(this);
                 }
             }
             public void finished(TaskEvent e) { }
         });
     }
     static void removeInListener(final JavacTask task, final TaskEvent.Kind kind, final TaskListener listener) {
         task.addTaskListener(new TaskListener() {
             public void started(TaskEvent e) {
                 if (e.getKind() == kind) {
                     task.removeTaskListener(listener);
                     task.removeTaskListener(this);
                 }
             }
             public void finished(TaskEvent e) { }
         });
     }
     @SupportedAnnotationTypes("*")
     class TestProcessor extends AbstractProcessor {
         AddKind ak;
         RemoveKind rk;
         TaskListener listener;
         TestProcessor(AddKind ak, RemoveKind rk, TaskListener listener) {
             this.ak = ak;
             this.rk = rk;
             this.listener = listener;
         }
         int round = 0;
         @Override
         public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
 //            System.err.println("TestProcessor.process " + roundEnv);
             JavacTask task = JavacTask.instance(processingEnv);
             if (++round == 1) {
                 switch (ak) {
                     case ADD_IN_PROCESSOR:
                         task.addTaskListener(listener);
                         break;
                     case ADD_IN_LISTENER:
                         addInListener(task, TaskEvent.Kind.ANALYZE, listener);
                         break;
                 }
             } else if (roundEnv.processingOver()) {
                 switch (rk) {
                     case REMOVE_IN_PROCESSOR:
                         task.removeTaskListener(listener);
                         break;
                     case REMOVE_IN_LISTENER:
                         removeInListener(task, TaskEvent.Kind.GENERATE, listener);
                         break;
                 }
             }
             return true;
         }
     }
     static class TestSource extends SimpleJavaFileObject {
         public TestSource() {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return "class Test { }";
         }
     }
     public static void main(String... args) throws Exception {
         new TestSimpleAddRemove().run();
     }
     JavacTool tool = (JavacTool) ToolProvider.getSystemJavaCompiler();
     StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
     void run() throws Exception {
         for (CompileKind ck: CompileKind.values()) {
             for (AddKind ak: AddKind.values()) {
                 for (RemoveKind rk: RemoveKind.values()) {
                     test(ck, ak, rk);
                 }
             }
         }
         if (errors > 0)
             throw new Exception(errors + " errors occurred");
     }
     void test(CompileKind ck, AddKind ak, RemoveKind rk) throws IOException {
         System.err.println("Test: " + ck + " " + ak + " " + rk);
         File tmpDir = new File(ck + "-" + ak + "-" + rk);
         tmpDir.mkdirs();
         fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(tmpDir));
         List<String> options = new ArrayList<String>();
         Iterable<? extends JavaFileObject> files = Arrays.asList(new TestSource());
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         JavacTask task = tool.getTask(pw, fm, null, options, null, files);
         EventKindCounter ec = new EventKindCounter();
         TaskListener listener = new TestListener(ec);
         boolean needProcessor = false;
         switch (ak) {
             case SET_IN_TASK:
                 task.setTaskListener(listener);
                 break;
             case ADD_IN_TASK:
                 task.addTaskListener(listener);
                 break;
             case ADD_IN_PROCESSOR:
             case ADD_IN_LISTENER:
                 needProcessor = true;
         }
         switch (rk) {
             case REMOVE_IN_TASK:
                 task.removeTaskListener(listener);
                 break;
             case REMOVE_IN_PROCESSOR:
             case REMOVE_IN_LISTENER:
                 needProcessor = true;
         }
         if (needProcessor)
             task.setProcessors(Arrays.asList(new TestProcessor(ak, rk, listener)));
         ck.run(task);
         System.err.println(ec);
         check(ck, ak, rk, ec);
         System.err.println();
     }
     void check(CompileKind ck, AddKind ak, RemoveKind rk, EventKindCounter ec) {
         // All results should be independent of ck, so we can ignore that
         // Quick way to compare expected values of ec, by comparing ec.toString()
         String expect = ec.toString();
         String found;
         switch (ak) {
             // Add/set in task should record all events until the listener is removed
             case SET_IN_TASK:
             case ADD_IN_TASK:
                 switch (rk) {
                     case REMOVE_IN_TASK:
                         // Remove will succeed, meaning no events will be recorded
                         found = "{}";
                         break;
                     case REMOVE_IN_PROCESSOR:
                         found = "{PARSE=1:1, ENTER=2:2, ANNOTATION_PROCESSING=1:0, ANNOTATION_PROCESSING_ROUND=2:1}";
                         break;
                     case REMOVE_IN_LISTENER:
                         found = "{PARSE=1:1, ENTER=3:3, ANALYZE=1:1, GENERATE=1:0, ANNOTATION_PROCESSING=1:1, ANNOTATION_PROCESSING_ROUND=2:2}";
                         break;
                     default:
                         throw new IllegalStateException();
                 }
                 break;
             // "Add in processor" should skip initial PARSE/ENTER events
             case ADD_IN_PROCESSOR:
                 switch (rk) {
                     // Remove will fail (too early), so events to end will be recorded
                     case REMOVE_IN_TASK:
                         found = "{ENTER=2:2, ANALYZE=1:1, GENERATE=1:1, ANNOTATION_PROCESSING=0:1, ANNOTATION_PROCESSING_ROUND=1:2}";
                         break;
                     case REMOVE_IN_PROCESSOR:
                         found = "{ENTER=1:1, ANNOTATION_PROCESSING_ROUND=1:1}";
                         break;
                     case REMOVE_IN_LISTENER:
                         found = "{ENTER=2:2, ANALYZE=1:1, GENERATE=1:0, ANNOTATION_PROCESSING=0:1, ANNOTATION_PROCESSING_ROUND=1:2}";
                         break;
                     default:
                         throw new IllegalStateException();
                 }
                 break;
             // "Add in listener" will occur during "ANALYSE.started" event
             case ADD_IN_LISTENER:
                 switch (rk) {
                     // Remove will fail (too early, so events to end will be recorded
                     case REMOVE_IN_TASK:
                     case REMOVE_IN_PROCESSOR:
                         found = "{ANALYZE=0:1, GENERATE=1:1}";
                         break;
                     // Remove will succeed during "GENERATE.finished" event
                     case REMOVE_IN_LISTENER:
                         found = "{ANALYZE=0:1, GENERATE=1:0}";
                         break;
                     default:
                         throw new IllegalStateException();
                 }
                 break;
             default:
                 throw new IllegalStateException();
         }
         if (!found.equals(expect)) {
             System.err.println("Expected: " + expect);
             System.err.println("   Found: " + found);
             error("unexpected value found");
         }
     }
     int errors;
     void error(String message) {
         System.err.println("Error: " + message);
         errors++;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/api/taskListeners/TestSimpleAddRemove.java@f5e5ca7505e2 (annotated)

test/tools/javac/api/taskListeners/TestSimpleAddRemove.java