author | vromero |
Tue, 06 Sep 2016 17:04:43 -0700 | |
changeset 40835 | 6ab9ed1abc46 |
parent 39601 | 5b37e511ae4b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 8040822 |
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* @summary Check that all TaskEvents are balanced. |
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* @modules jdk.compiler/com.sun.tools.javac.api |
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* jdk.compiler/com.sun.tools.javac.comp |
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* jdk.compiler/com.sun.tools.javac.file |
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*/ |
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import java.io.*; |
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import java.net.URI; |
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import java.util.*; |
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import java.util.Map.Entry; |
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import javax.tools.*; |
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import com.sun.source.util.*; |
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import com.sun.source.util.TaskEvent.Kind; |
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import com.sun.tools.javac.api.JavacTool; |
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import com.sun.tools.javac.comp.CompileStates.CompileState; |
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public class EventsBalancedTest { |
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JavacTool tool = (JavacTool) ToolProvider.getSystemJavaCompiler(); |
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StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null); |
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public static void main(String... args) throws IOException { |
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EventsBalancedTest t = new EventsBalancedTest(); |
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try { |
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t.test(); |
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} finally { |
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t.fm.close(); |
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} |
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} |
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void test() throws IOException { |
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TestSource a = new TestSource("B", "class B extends A { }"); |
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TestSource b = new TestSource("A", "abstract class A { }"); |
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test(null, Arrays.asList(a, b)); |
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test(null, Arrays.asList(b, a)); |
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for (CompileState stop : CompileState.values()) { |
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test(Arrays.asList("--should-stop:ifNoError=" + stop, |
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"--should-stop:ifError=" + stop), |
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Arrays.asList(a, b)); |
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test(Arrays.asList("--should-stop:ifNoError=" + stop, |
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"--should-stop:ifError=" + stop), |
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Arrays.asList(b, a)); |
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} |
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} |
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void test(List<String> options, List<JavaFileObject> files) throws IOException { |
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System.err.println("testing: " + options + ", " + files); |
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TestListener listener = new TestListener(); |
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JavacTask task = tool.getTask(null, fm, null, options, null, files); |
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task.setTaskListener(listener); |
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task.call(); |
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for (Entry<Kind, Integer> e : listener.kind2Count.entrySet()) { |
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if (e.getValue() != null && e.getValue() != 0) { |
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throw new IllegalStateException("Not balanced event: " + e.getKey()); |
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} |
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} |
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} |
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static class TestListener implements TaskListener { |
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final Map<Kind, Integer> kind2Count = new HashMap<>(); |
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int get(Kind k) { |
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Integer count = kind2Count.get(k); |
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if (count == null) |
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kind2Count.put(k, count = 0); |
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return count; |
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} |
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@Override |
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public void started(TaskEvent e) { |
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kind2Count.put(e.getKind(), get(e.getKind()) + 1); |
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} |
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@Override |
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public void finished(TaskEvent e) { |
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int count = get(e.getKind()); |
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if (count <= 0) |
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throw new IllegalStateException("count<=0 for: " + e.getKind()); |
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kind2Count.put(e.getKind(), count - 1); |
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} |
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} |
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static class TestSource extends SimpleJavaFileObject { |
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final String content; |
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public TestSource(String fileName, String content) { |
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super(URI.create("myfo:/" + fileName + ".java"), JavaFileObject.Kind.SOURCE); |
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this.content = content; |
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} |
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@Override |
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public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
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return content; |
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} |
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} |
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} |