aoqi@0: /*
aoqi@0:  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @test
aoqi@0:  * @bug 8003280
aoqi@0:  * @summary Add lambda tests
aoqi@0:  *   Test constructor reference
aoqi@0:  * @compile MethodRef4.java
aoqi@0:  * @run main MethodRef4
aoqi@0:  */
aoqi@0: 
aoqi@0: public class MethodRef4 {
aoqi@0: 
aoqi@0:     static interface A {Fee<String> m();}
aoqi@0: 
aoqi@0:     static interface B {Fee<String> m(String s);}
aoqi@0: 
aoqi@0:     static interface C {Object m();}
aoqi@0: 
aoqi@0:     static class Fee<T> {
aoqi@0: 
aoqi@0:         private T t;
aoqi@0: 
aoqi@0:         public Fee() {
aoqi@0:             System.out.println("Fee<T> instantiated");
aoqi@0:         }
aoqi@0: 
aoqi@0:         public Fee(T t) {
aoqi@0:             this.t = t;
aoqi@0:             System.out.println("Fee<T> instantiated: " + t);
aoqi@0:         }
aoqi@0: 
aoqi@0:         public void make() {
aoqi@0:             System.out.println(this + ": make()");
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     private static void assertTrue(boolean cond) {
aoqi@0:         if (!cond)
aoqi@0:             throw new AssertionError();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String[] args) {
aoqi@0: 
aoqi@0:         A a = Fee<String>::new; //constructor reference to Fee<T>()
aoqi@0:         a.m().make();
aoqi@0: 
aoqi@0:         B b = Fee<String>::new; //constructor reference to Fee<T>(String)
aoqi@0:         b.m("hi").make();
aoqi@0: 
aoqi@0:         C c = MethodRef4::new; //constructor reference to MethodRef4()
aoqi@0:         assertTrue( c.m() instanceof MethodRef4 );
aoqi@0:         c = MethodRef4::new; //constructor reference to MethodRef4()
aoqi@0:         assertTrue( c.m() instanceof MethodRef4 );
aoqi@0:         c = Fee<String>::new; //constructor reference to Fee<T>()
aoqi@0:         assertTrue( c.m() instanceof Fee );
aoqi@0:     }
aoqi@0: }