jjg@1969: /*
jjg@1969:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
jjg@1969:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@1969:  *
jjg@1969:  * This code is free software; you can redistribute it and/or modify it
jjg@1969:  * under the terms of the GNU General Public License version 2 only, as
jjg@1969:  * published by the Free Software Foundation.
jjg@1969:  *
jjg@1969:  * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@1969:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@1969:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jjg@1969:  * version 2 for more details (a copy is included in the LICENSE file that
jjg@1969:  * accompanied this code).
jjg@1969:  *
jjg@1969:  * You should have received a copy of the GNU General Public License version
jjg@1969:  * 2 along with this work; if not, write to the Free Software Foundation,
jjg@1969:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@1969:  *
jjg@1969:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jjg@1969:  * or visit www.oracle.com if you need additional information or have any
jjg@1969:  * questions.
jjg@1969:  */
jjg@1969: 
jjg@1969: /*
jjg@1969:  * @test
jjg@1969:  * @bug 1234567
jjg@1969:  * @summary test Pretty print of type annotations
jjg@1969:  * @author wmdietl
jjg@1969:  */
jjg@1969: 
jjg@1969: import com.sun.source.tree.ClassTree;
jjg@1969: import com.sun.source.tree.CompilationUnitTree;
jjg@1969: import com.sun.tools.javac.api.JavacTaskImpl;
jjg@1969: import com.sun.tools.javac.tree.JCTree;
jjg@1969: 
jjg@1969: import java.io.IOException;
jjg@1969: import java.net.URI;
jjg@1969: import java.util.Arrays;
jjg@1969: import java.util.List;
jjg@1969: import java.util.LinkedList;
jjg@1969: 
jjg@1969: import javax.tools.JavaCompiler;
jjg@1969: import javax.tools.JavaFileObject;
jjg@1969: import javax.tools.SimpleJavaFileObject;
jjg@1969: import javax.tools.ToolProvider;
jjg@1969: 
jjg@1969: public class TypeAnnotationsPretty {
jjg@1969:     private final JavaCompiler tool;
jjg@1969: 
jjg@1969:     TypeAnnotationsPretty() {
jjg@1969:         tool = ToolProvider.getSystemJavaCompiler();
jjg@1969:     }
jjg@1969: 
jjg@1969:     private List<String> matches = new LinkedList<String>();
jjg@1969:     private List<String> mismatches = new LinkedList<String>();
jjg@1969: 
jjg@1969:     public static void main(String... args) throws Exception {
jjg@1969:         TypeAnnotationsPretty tap = new TypeAnnotationsPretty();
jjg@1969: 
jjg@1969:         tap.runField("@TA()\nObject cls = null");
jjg@1969:         tap.runField("@TA()\nObject cls = new @TA() Object()");
jjg@1969: 
jjg@1969:         tap.runField("@TA()\nList<@TB() Object> cls = null");
jjg@1969:         tap.runField("@TA()\nList<@TB() Object> cls = new @TA() LinkedList<@TB() Object>()");
jjg@1969: 
jjg@1969:         tap.runField("Class[] cls = null");
jjg@1969:         tap.runField("@TA()\nClass[] cls = null");
jjg@1969:         tap.runField("Class @TA() [] cls = null");
jjg@1969:         tap.runField("@TA()\nClass @TB() [] cls = null");
jjg@1969: 
jjg@1969:         tap.runField("Class[] cls = new Class[]{Object.class}");
jjg@1969:         tap.runField("@TA()\nClass[] cls = new @TA() Class[]{Object.class}");
jjg@1969:         tap.runField("Class @TB() [] cls = new Class @TB() []{Object.class}");
jjg@1969:         tap.runField("@TA()\nClass @TB() [] cls = new @TA() Class @TB() []{Object.class}");
jjg@1969:         tap.runField("@TA()\nClass @TB() [] @TC() [] cls = new @TA() Class @TB() [10] @TC() []");
jjg@1969:         tap.runField("Class @TB() [] @TC() [] cls = new Class @TB() [10] @TC() []");
jjg@1969:         tap.runField("@TA()\nClass @TB() [] @TC() [] @TD() [] cls = new @TA() Class @TB() [10] @TC() [] @TD() []");
jjg@1969: 
jjg@1969:         tap.runMethod("\n@TA()\nObject test(@TB()\nList<@TC() String> p) {\n" +
jjg@1969:                 "    return null;\n" +
jjg@1969:                 "}");
jjg@1969: 
jjg@1969: 
jjg@1969:         if (!tap.matches.isEmpty()) {
jjg@1969:             for (String m : tap.matches)
jjg@1969:                 System.out.println(m);
jjg@1969:         }
jjg@1969:         if (!tap.mismatches.isEmpty()) {
jjg@1969:             for (String mm : tap.mismatches)
jjg@1969:                 System.err.println(mm + "\n");
jjg@1969:             throw new RuntimeException("Tests failed!");
jjg@1969:         }
jjg@1969:     }
jjg@1969: 
jjg@1969:     private static final String prefix =
jjg@1969:             "import java.lang.annotation.*;" +
jjg@1969:             "import java.util.*;" +
jjg@1969:             "public class Test {";
jjg@1969: 
jjg@1969:     private static final String postfix =
jjg@1969:             "@Target(ElementType.TYPE_USE)" +
jjg@1969:             "@interface TA {}" +
jjg@1969:             "@Target(ElementType.TYPE_USE)" +
jjg@1969:             "@interface TB {}" +
jjg@1969:             "@Target(ElementType.TYPE_USE)" +
jjg@1969:             "@interface TC {}" +
jjg@1969:             "@Target(ElementType.TYPE_USE)" +
jjg@1969:             "@interface TD {}";
jjg@1969: 
jjg@1969: 
jjg@1969:     private void runField(String code) throws IOException {
jjg@1969:         String src = prefix +
jjg@1969:                 code + "; }" +
jjg@1969:                 postfix;
jjg@1969: 
jjg@1969:         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
jjg@1969:                 null, Arrays.asList(new MyFileObject(src)));
jjg@1969: 
jjg@1969: 
jjg@1969:         for (CompilationUnitTree cut : ct.parse()) {
jjg@1969:             JCTree.JCVariableDecl var =
jjg@1969:                     (JCTree.JCVariableDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);
jjg@1969: 
jjg@1969:             if (!code.equals(var.toString())) {
jjg@1969:                 mismatches.add("Expected: " + code +
jjg@1969:                         "\nObtained: " + var.toString());
jjg@1969:             } else {
jjg@1969:                 matches.add("Passed: " + code);
jjg@1969:             }
jjg@1969:         }
jjg@1969:     }
jjg@1969: 
jjg@1969:     private void runMethod(String code) throws IOException {
jjg@1969:         String src = prefix +
jjg@1969:                 code + "}" +
jjg@1969:                 postfix;
jjg@1969: 
jjg@1969:         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
jjg@1969:                 null, Arrays.asList(new MyFileObject(src)));
jjg@1969: 
jjg@1969: 
jjg@1969:         for (CompilationUnitTree cut : ct.parse()) {
jjg@1969:             JCTree.JCMethodDecl var =
jjg@1969:                     (JCTree.JCMethodDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);
jjg@1969: 
jjg@1969:             if (!code.equals(var.toString())) {
jjg@1969:                 mismatches.add("Expected: " + code +
jjg@1969:                         "\nObtained: " + var.toString());
jjg@1969:             } else {
jjg@1969:                 matches.add("Passed: " + code);
jjg@1969:             }
jjg@1969:         }
jjg@1969:     }
jjg@1969: }
jjg@1969: 
jjg@1969: 
jjg@1969: class MyFileObject extends SimpleJavaFileObject {
jjg@1969: 
jjg@1969:     private String text;
jjg@1969: 
jjg@1969:     public MyFileObject(String text) {
jjg@1969:         super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
jjg@1969:         this.text = text;
jjg@1969:     }
jjg@1969: 
jjg@1969:     @Override
jjg@1969:     public CharSequence getCharContent(boolean ignoreEncodingErrors) {
jjg@1969:         return text;
jjg@1969:     }
jjg@1969: }