Thu, 21 Feb 2013 14:43:51 -0800
8008405: Now that metafactory is in place, add javac lambda serialization tests
Summary: Tests part of original langtools serialization review.
Reviewed-by: mcimadamore
jjg@1521 | 1 | /* |
darcy@1534 | 2 | * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
jjg@1521 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@1521 | 4 | * |
jjg@1521 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@1521 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@1521 | 7 | * published by the Free Software Foundation. |
jjg@1521 | 8 | * |
jjg@1521 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@1521 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@1521 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@1521 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@1521 | 13 | * accompanied this code). |
jjg@1521 | 14 | * |
jjg@1521 | 15 | * You should have received a copy of the GNU General Public License version |
jjg@1521 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@1521 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@1521 | 18 | * |
jjg@1521 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
jjg@1521 | 20 | * or visit www.oracle.com if you need additional information or have any |
jjg@1521 | 21 | * questions. |
jjg@1521 | 22 | */ |
jjg@1521 | 23 | import java.io.*; |
jjg@1521 | 24 | import java.util.Set; |
jjg@1521 | 25 | import java.util.HashSet; |
jjg@1521 | 26 | |
jjg@1521 | 27 | import javax.annotation.processing.*; |
jjg@1521 | 28 | import javax.lang.model.SourceVersion; |
jjg@1521 | 29 | import javax.lang.model.element.*; |
jjg@1521 | 30 | import javax.lang.model.util.ElementFilter; |
jjg@1521 | 31 | |
jjg@1521 | 32 | import com.sun.source.util.JavacTask; |
jjg@1521 | 33 | import com.sun.source.util.TaskEvent; |
jjg@1521 | 34 | import com.sun.source.util.TaskListener; |
jjg@1521 | 35 | import com.sun.source.util.TreePath; |
jjg@1521 | 36 | import com.sun.tools.javac.main.JavaCompiler; |
jjg@1521 | 37 | import com.sun.tools.javac.main.JavaCompiler.CompileState; |
jjg@1521 | 38 | import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
jjg@1521 | 39 | import com.sun.tools.javac.util.Context; |
jjg@1521 | 40 | |
jjg@1521 | 41 | /* |
jjg@1521 | 42 | * @test |
jjg@1521 | 43 | * @summary test that type processors are run when -proc:only is passed. |
jjg@1521 | 44 | * This class implements the functionality of a type processor, as previously |
jjg@1521 | 45 | * embodied by the AbstractTypeProcessor class. |
jjg@1521 | 46 | * |
jjg@1521 | 47 | * @author Mahmood Ali |
jjg@1521 | 48 | * @author Werner Dietl |
jjg@1521 | 49 | */ |
jjg@1521 | 50 | @SupportedAnnotationTypes("*") |
jjg@1521 | 51 | public class TypeProcOnly extends AbstractProcessor { |
jjg@1521 | 52 | private static final String INDICATOR = "INDICATOR"; |
jjg@1521 | 53 | |
jjg@1521 | 54 | private final AttributionTaskListener listener = new AttributionTaskListener(); |
jjg@1521 | 55 | private final Set<Name> elements = new HashSet<Name>(); |
jjg@1521 | 56 | |
jjg@1521 | 57 | @Override |
jjg@1521 | 58 | public final void init(ProcessingEnvironment env) { |
jjg@1521 | 59 | super.init(env); |
jjg@1521 | 60 | JavacTask.instance(env).addTaskListener(listener); |
jjg@1521 | 61 | Context ctx = ((JavacProcessingEnvironment)processingEnv).getContext(); |
jjg@1521 | 62 | JavaCompiler compiler = JavaCompiler.instance(ctx); |
jjg@1521 | 63 | compiler.shouldStopPolicyIfNoError = CompileState.max( |
jjg@1521 | 64 | compiler.shouldStopPolicyIfNoError, |
jjg@1521 | 65 | CompileState.FLOW); |
jjg@1521 | 66 | } |
jjg@1521 | 67 | |
jjg@1521 | 68 | @Override |
jjg@1521 | 69 | public final boolean process(Set<? extends TypeElement> annotations, |
jjg@1521 | 70 | RoundEnvironment roundEnv) { |
jjg@1521 | 71 | for (TypeElement elem : ElementFilter.typesIn(roundEnv.getRootElements())) { |
jjg@1521 | 72 | elements.add(elem.getQualifiedName()); |
jjg@1521 | 73 | } |
jjg@1521 | 74 | return false; |
jjg@1521 | 75 | } |
jjg@1521 | 76 | |
jjg@1521 | 77 | @Override |
jjg@1521 | 78 | public SourceVersion getSupportedSourceVersion() { |
jjg@1521 | 79 | return SourceVersion.latest(); |
jjg@1521 | 80 | } |
jjg@1521 | 81 | |
jjg@1521 | 82 | private final class AttributionTaskListener implements TaskListener { |
jjg@1521 | 83 | @Override |
jjg@1521 | 84 | public void started(TaskEvent e) { } |
jjg@1521 | 85 | |
jjg@1521 | 86 | @Override |
jjg@1521 | 87 | public void finished(TaskEvent e) { |
jjg@1521 | 88 | if (e.getKind() != TaskEvent.Kind.ANALYZE) |
jjg@1521 | 89 | return; |
jjg@1521 | 90 | |
jjg@1521 | 91 | if (!elements.remove(e.getTypeElement().getQualifiedName())) |
jjg@1521 | 92 | return; |
jjg@1521 | 93 | |
jjg@1521 | 94 | System.out.println(INDICATOR); |
jjg@1521 | 95 | } |
jjg@1521 | 96 | } |
jjg@1521 | 97 | |
jjg@1521 | 98 | |
jjg@1521 | 99 | private static File writeTestFile() throws IOException { |
jjg@1521 | 100 | File f = new File("Test.java"); |
jjg@1521 | 101 | PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
jjg@1521 | 102 | out.println("class Test { }"); |
jjg@1521 | 103 | out.close(); |
jjg@1521 | 104 | return f; |
jjg@1521 | 105 | } |
jjg@1521 | 106 | |
jjg@1521 | 107 | public static void main(String[] args) throws Exception { |
jjg@1521 | 108 | PrintStream prevOut = System.out; |
jjg@1521 | 109 | |
jjg@1521 | 110 | ByteArrayOutputStream bytes = new ByteArrayOutputStream(); |
jjg@1521 | 111 | PrintStream out = new PrintStream(bytes); |
jjg@1521 | 112 | System.setOut(out); |
jjg@1521 | 113 | |
jjg@1521 | 114 | try { |
jjg@1521 | 115 | File f = writeTestFile(); |
jjg@1521 | 116 | com.sun.tools.javac.Main.compile(new String[] {"-proc:only", "-processor", "TypeProcOnly", f.getAbsolutePath()}); |
jjg@1521 | 117 | } finally { |
jjg@1521 | 118 | System.setOut(prevOut); |
jjg@1521 | 119 | } |
jjg@1521 | 120 | |
jjg@1521 | 121 | if (bytes.toString().trim().equals(INDICATOR)) { |
jjg@1521 | 122 | System.out.println("PASSED"); |
jjg@1521 | 123 | } else { |
jjg@1521 | 124 | throw new Exception("Processor did not run correctly. Output: " + bytes); |
jjg@1521 | 125 | } |
jjg@1521 | 126 | } |
jjg@1521 | 127 | } |