jdk8-mips64-public/langtools: test/tools/javac/lambda/methodReference/MethodRef4.java@7873d37f5b37

8005244: Implement overload resolution as per latest spec EDR
Summary: Add support for stuck expressions and provisional applicability
Reviewed-by: jjg

     1 /*

     2  * Copyright (c) 2011, 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  */

    24 /**

    25  * @test

    26  * @bug 8003280

    27  * @summary Add lambda tests

    28  *   Test constructor reference

    29  * @compile MethodRef4.java

    30  * @run main MethodRef4

    31  */

    33 public class MethodRef4 {

    35     static interface A {Fee<String> m();}

    37     static interface B {Fee<String> m(String s);}

    39     static interface C {Object m();}

    41     static class Fee<T> {

    43         private T t;

    45         public Fee() {

    46             System.out.println("Fee<T> instantiated");

    47         }

    49         public Fee(T t) {

    50             this.t = t;

    51             System.out.println("Fee<T> instantiated: " + t);

    52         }

    54         public void make() {

    55             System.out.println(this + ": make()");

    56         }

    57     }

    59     private static void assertTrue(boolean cond) {

    60         if (!cond)

    61             throw new AssertionError();

    62     }

    64     public static void main(String[] args) {

    66         A a = Fee<String>::new; //constructor reference to Fee<T>()

    67         a.m().make();

    69         B b = Fee<String>::new; //constructor reference to Fee<T>(String)

    70         b.m("hi").make();

    72         C c = MethodRef4::new; //constructor reference to MethodRef4()

    73         assertTrue( c.m() instanceof MethodRef4 );

    74         c = MethodRef4::new; //constructor reference to MethodRef4()

    75         assertTrue( c.m() instanceof MethodRef4 );

    76         c = Fee<String>::new; //constructor reference to Fee<T>()

    77         assertTrue( c.m() instanceof Fee );

    78     }

    79 }

Mercurial > jdk8-mips64-public > langtools / file revision

test/tools/javac/lambda/methodReference/MethodRef4.java@7873d37f5b37

test/tools/javac/lambda/methodReference/MethodRef4.java