1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 8049238

    27  * @summary Checks Signature attribute for type bounds.

    28  * @library /tools/lib /tools/javac/lib ../lib

    29  * @build TestBase TestResult InMemoryFileManager ToolBox

    30  * @build MethodTypeBoundTest Driver ExpectedSignature ExpectedSignatureContainer

    31  * @run main Driver MethodTypeBoundTest

    32  */

    33 

    34 import java.util.*;

    35 

    36 @ExpectedSignature(descriptor = "MethodTypeBoundTest", signature = "<T:Ljava/lang/Object;>Ljava/lang/Object;")

    37 public class MethodTypeBoundTest<T> {

    38 

    39     @ExpectedSignature(descriptor = "method1(java.lang.String)",

    40             signature = "<E:Ljava/lang/String;:Ljava/lang/Runnable;:Ljava/util/Collection<+TT;>;>(TE;)TE;")

    41     <E extends String & Runnable & Collection<? extends T>> E method1(E a) {

    42         return a;

    43     }

    44 

    45     @ExpectedSignature(descriptor = "method2(java.lang.Runnable)",

    46             signature = "<E::Ljava/lang/Runnable;:Ljava/util/Collection<-TT;>;>(TE;)TE;")

    47     <E extends Runnable & Collection<? super T>> E method2(E a) {

    48         return a;

    49     }

    50 

    51     @ExpectedSignature(descriptor = "method3(java.util.ArrayList)",

    52             signature = "<E:Ljava/util/ArrayList<+TT;>;>(TE;)TE;")

    53     <E extends ArrayList<? extends T>> E method3(E a) {

    54         return a;

    55     }

    56 

    57     @ExpectedSignature(descriptor = "method4(java.util.LinkedList)",

    58             signature = "<E:Ljava/util/LinkedList<TE;>;:Ljava/util/List<TE;>;>(TE;)TE;")

    59     <E extends LinkedList<E> & List<E>> E method4(E a) {

    60         return a;

    61     }

    62 

    63     @ExpectedSignature(descriptor = "method5(java.util.Iterator)",

    64             signature = "<E:Ljava/util/LinkedList<TE;>;:Ljava/util/List<TE;>;" +

    65                     "U::Ljava/util/Iterator<-LMethodTypeBoundTest<TT;>.InnerClass<TE;>;>;>(TU;)TE;")

    66     <E extends LinkedList<E> & List<E>, U extends Iterator<? super InnerClass<E>>> E method5(U a) {

    67         return null;

    68     }

    69 

    70     @ExpectedSignature(descriptor = "method6()",

    71             signature = "<E:Ljava/util/LinkedList<TT;>;U:TE;>()V")

    72     <E extends LinkedList<T>, U extends E> void method6() {

    73     }

    74 

    75     @ExpectedSignature(descriptor = "MethodTypeBoundTest$InnerClass",

    76             signature = "<T:Ljava/lang/Object;>Ljava/lang/Object;")

    77     class InnerClass<T> {

    78     }

    79 }