jjg@309: /*
jjg@309:  * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
jjg@309:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@309:  *
jjg@309:  * This code is free software; you can redistribute it and/or modify it
jjg@309:  * under the terms of the GNU General Public License version 2 only, as
jjg@309:  * published by the Free Software Foundation.
jjg@309:  *
jjg@309:  * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@309:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@309:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jjg@309:  * version 2 for more details (a copy is included in the LICENSE file that
jjg@309:  * accompanied this code).
jjg@309:  *
jjg@309:  * You should have received a copy of the GNU General Public License version
jjg@309:  * 2 along with this work; if not, write to the Free Software Foundation,
jjg@309:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@309:  *
jjg@309:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
jjg@309:  * CA 95054 USA or visit www.sun.com if you need additional information or
jjg@309:  * have any questions.
jjg@309:  */
jjg@309: 
jjg@309: import java.io.*;
jjg@309: import com.sun.tools.classfile.*;
jjg@309: 
jjg@309: /*
jjg@309:  * @test Visibility
jjg@309:  * @bug 6843077
jjg@309:  * @summary test that type annotations are recorded in the classfile
jjg@309:  */
jjg@309: 
jjg@309: public class Visibility {
jjg@309:     public static void main(String[] args) throws Exception {
jjg@309:         new Visibility().run();
jjg@309:     }
jjg@309: 
jjg@309:     public void run() throws Exception {
jjg@309:         File javaFile = writeTestFile();
jjg@309:         File classFile = compileTestFile(javaFile);
jjg@309: 
jjg@309:         ClassFile cf = ClassFile.read(classFile);
jjg@309:         for (Method m: cf.methods) {
jjg@309:             test(cf, m);
jjg@309:         }
jjg@309: 
jjg@309:         countAnnotations();
jjg@309: 
jjg@309:         if (errors > 0)
jjg@309:             throw new Exception(errors + " errors found");
jjg@309:         System.out.println("PASSED");
jjg@309:     }
jjg@309: 
jjg@309:     void test(ClassFile cf, Method m) {
jjg@309:         test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
jjg@309:         test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
jjg@309:     }
jjg@309: 
jjg@309:     // test the result of Attributes.getIndex according to expectations
jjg@309:     // encoded in the method's name
jjg@309:     void test(ClassFile cf, Method m, String name, boolean visible) {
jjg@309:         int index = m.attributes.getIndex(cf.constant_pool, name);
jjg@309:         if (index != -1) {
jjg@309:             Attribute attr = m.attributes.get(index);
jjg@309:             assert attr instanceof RuntimeTypeAnnotations_attribute;
jjg@309:             RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
jjg@309:             all += tAttr.annotations.length;
jjg@309:             if (visible)
jjg@309:                 visibles += tAttr.annotations.length;
jjg@309:             else
jjg@309:                 invisibles += tAttr.annotations.length;
jjg@309:         }
jjg@309:     }
jjg@309: 
jjg@309:     File writeTestFile() throws IOException {
jjg@309:         File f = new File("Test.java");
jjg@309:         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
jjg@309:         out.println("import java.lang.annotation.Retention;");
jjg@309:         out.println("import java.lang.annotation.RetentionPolicy;");
jjg@309:         out.println("abstract class Test { ");
jjg@309:         // visible annotations: RUNTIME
jjg@309:         out.println("  @Retention(RetentionPolicy.RUNTIME)");
jjg@309:         out.println("  @interface A { }");
jjg@309:         out.println("  void visible() @A { }");
jjg@309: 
jjg@309:         // invisible annotations: CLASS
jjg@309:         out.println("  @Retention(RetentionPolicy.CLASS)");
jjg@309:         out.println("  @interface B { }");
jjg@309:         out.println("  void invisible() @B { }");
jjg@309: 
jjg@309:         // source annotations
jjg@309:         out.println("  @Retention(RetentionPolicy.SOURCE)");
jjg@309:         out.println("  @interface C { }");
jjg@309:         out.println("  void source() @C { }");
jjg@309: 
jjg@309:         // default visibility: CLASS
jjg@309:         out.println("  @interface D { }");
jjg@309:         out.println("  void def() @D { }");
jjg@309:         out.println("}");
jjg@309:         out.close();
jjg@309:         return f;
jjg@309:     }
jjg@309: 
jjg@309:     File compileTestFile(File f) {
jjg@309:       int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.7", "-g", f.getPath() });
jjg@309:         if (rc != 0)
jjg@309:             throw new Error("compilation failed. rc=" + rc);
jjg@309:         String path = f.getPath();
jjg@309:         return new File(path.substring(0, path.length() - 5) + ".class");
jjg@309:     }
jjg@309: 
jjg@309:     void countAnnotations() {
jjg@309:         int expected_all = 3, expected_visibles = 1, expected_invisibles = 2;
jjg@309: 
jjg@309:         if (expected_all != all) {
jjg@309:             errors++;
jjg@309:             System.err.println("expected " + expected_all
jjg@309:                     + " annotations but found " + all);
jjg@309:         }
jjg@309: 
jjg@309:         if (expected_visibles != visibles) {
jjg@309:             errors++;
jjg@309:             System.err.println("expected " + expected_visibles
jjg@309:                     + " visibles annotations but found " + visibles);
jjg@309:         }
jjg@309: 
jjg@309:         if (expected_invisibles != invisibles) {
jjg@309:             errors++;
jjg@309:             System.err.println("expected " + expected_invisibles
jjg@309:                     + " invisibles annotations but found " + invisibles);
jjg@309:         }
jjg@309: 
jjg@309:     }
jjg@309: 
jjg@309:     int errors;
jjg@309:     int all;
jjg@309:     int visibles;
jjg@309:     int invisibles;
jjg@309: }