1/* 2 * Copyright (c) 2015, 2016, 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 * @modules jdk.compiler/com.sun.tools.javac.api 30 * jdk.compiler/com.sun.tools.javac.main 31 * jdk.jdeps/com.sun.tools.classfile 32 * @build toolbox.ToolBox InMemoryFileManager TestResult TestBase 33 * @build MethodTypeBoundTest Driver ExpectedSignature ExpectedSignatureContainer 34 * @run main Driver MethodTypeBoundTest 35 */ 36 37import java.util.*; 38 39@ExpectedSignature(descriptor = "MethodTypeBoundTest", signature = "<T:Ljava/lang/Object;>Ljava/lang/Object;") 40public class MethodTypeBoundTest<T> { 41 42 @ExpectedSignature(descriptor = "method1(java.lang.String)", 43 signature = "<E:Ljava/lang/String;:Ljava/lang/Runnable;:Ljava/util/Collection<+TT;>;>(TE;)TE;") 44 <E extends String & Runnable & Collection<? extends T>> E method1(E a) { 45 return a; 46 } 47 48 @ExpectedSignature(descriptor = "method2(java.lang.Runnable)", 49 signature = "<E::Ljava/lang/Runnable;:Ljava/util/Collection<-TT;>;>(TE;)TE;") 50 <E extends Runnable & Collection<? super T>> E method2(E a) { 51 return a; 52 } 53 54 @ExpectedSignature(descriptor = "method3(java.util.ArrayList)", 55 signature = "<E:Ljava/util/ArrayList<+TT;>;>(TE;)TE;") 56 <E extends ArrayList<? extends T>> E method3(E a) { 57 return a; 58 } 59 60 @ExpectedSignature(descriptor = "method4(java.util.LinkedList)", 61 signature = "<E:Ljava/util/LinkedList<TE;>;:Ljava/util/List<TE;>;>(TE;)TE;") 62 <E extends LinkedList<E> & List<E>> E method4(E a) { 63 return a; 64 } 65 66 @ExpectedSignature(descriptor = "method5(java.util.Iterator)", 67 signature = "<E:Ljava/util/LinkedList<TE;>;:Ljava/util/List<TE;>;" + 68 "U::Ljava/util/Iterator<-LMethodTypeBoundTest<TT;>.InnerClass<TE;>;>;>(TU;)TE;") 69 <E extends LinkedList<E> & List<E>, U extends Iterator<? super InnerClass<E>>> E method5(U a) { 70 return null; 71 } 72 73 @ExpectedSignature(descriptor = "method6()", 74 signature = "<E:Ljava/util/LinkedList<TT;>;U:TE;>()V") 75 <E extends LinkedList<T>, U extends E> void method6() { 76 } 77 78 @ExpectedSignature(descriptor = "MethodTypeBoundTest$InnerClass", 79 signature = "<T:Ljava/lang/Object;>Ljava/lang/Object;") 80 class InnerClass<T> { 81 } 82} 83