| /* |
| * Copyright (c) 2014, 2016, 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 8040822 |
| * @summary Check that all TaskEvents are balanced. |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.comp |
| * jdk.compiler/com.sun.tools.javac.file |
| */ |
| |
| import java.io.*; |
| import java.net.URI; |
| import java.util.*; |
| import java.util.Map.Entry; |
| |
| import javax.tools.*; |
| |
| import com.sun.source.util.*; |
| import com.sun.source.util.TaskEvent.Kind; |
| import com.sun.tools.javac.api.JavacTool; |
| import com.sun.tools.javac.comp.CompileStates.CompileState; |
| |
| public class EventsBalancedTest { |
| JavacTool tool = (JavacTool) ToolProvider.getSystemJavaCompiler(); |
| StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null); |
| |
| public static void main(String... args) throws IOException { |
| EventsBalancedTest t = new EventsBalancedTest(); |
| try { |
| t.test(); |
| } finally { |
| t.fm.close(); |
| } |
| } |
| |
| void test() throws IOException { |
| TestSource a = new TestSource("B", "class B extends A { }"); |
| TestSource b = new TestSource("A", "abstract class A { }"); |
| |
| test(null, Arrays.asList(a, b)); |
| test(null, Arrays.asList(b, a)); |
| |
| for (CompileState stop : CompileState.values()) { |
| test(Arrays.asList("--should-stop:ifNoError=" + stop, |
| "--should-stop:ifError=" + stop), |
| Arrays.asList(a, b)); |
| test(Arrays.asList("--should-stop:ifNoError=" + stop, |
| "--should-stop:ifError=" + stop), |
| Arrays.asList(b, a)); |
| } |
| } |
| |
| void test(List<String> options, List<JavaFileObject> files) throws IOException { |
| System.err.println("testing: " + options + ", " + files); |
| TestListener listener = new TestListener(); |
| JavacTask task = tool.getTask(null, fm, null, options, null, files); |
| |
| task.setTaskListener(listener); |
| |
| task.call(); |
| |
| for (Entry<Kind, Integer> e : listener.kind2Count.entrySet()) { |
| if (e.getValue() != null && e.getValue() != 0) { |
| throw new IllegalStateException("Not balanced event: " + e.getKey()); |
| } |
| } |
| } |
| |
| static class TestListener implements TaskListener { |
| final Map<Kind, Integer> kind2Count = new HashMap<>(); |
| |
| int get(Kind k) { |
| Integer count = kind2Count.get(k); |
| |
| if (count == null) |
| kind2Count.put(k, count = 0); |
| |
| return count; |
| } |
| |
| @Override |
| public void started(TaskEvent e) { |
| kind2Count.put(e.getKind(), get(e.getKind()) + 1); |
| } |
| |
| @Override |
| public void finished(TaskEvent e) { |
| int count = get(e.getKind()); |
| |
| if (count <= 0) |
| throw new IllegalStateException("count<=0 for: " + e.getKind()); |
| |
| kind2Count.put(e.getKind(), count - 1); |
| } |
| |
| } |
| static class TestSource extends SimpleJavaFileObject { |
| final String content; |
| public TestSource(String fileName, String content) { |
| super(URI.create("myfo:/" + fileName + ".java"), JavaFileObject.Kind.SOURCE); |
| this.content = content; |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return content; |
| } |
| } |
| |
| } |