jdk8-mips64-public/langtools: test/tools/javac/lambda/typeInference/InferenceTest789.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 import java.io.Serializable;

    25 import java.util.Calendar;

    27 /**

    28  * @test

    29  * @bug 8003280

    30  * @summary Add lambda tests

    31  *  This test is for when lambda return type is inferred from target type

    32  * @compile InferenceTest789.java

    33  * @run main InferenceTest789

    34  */

    36 public class InferenceTest789 {

    38     private static void assertTrue(boolean b) {

    39         if(!b)

    40             throw new AssertionError();

    41     }

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

    44         InferenceTest789 test = new InferenceTest789();

    45         test.method1(() -> 1);

    46         SAM1<? extends Number> sam1 = () -> 1.0;

    47         SAM1<? extends Serializable> sam1_2 = () -> "a";

    48         SAM1<? extends Comparable<?>> sam1_3 = () -> Calendar.getInstance();

    49         SAM1<?> sam1_4 = () -> 1.5f;

    51         SAM2<Number> sam2 = a -> 1;

    52         SAM2<? extends Serializable> sam2_2 = a -> 1;

    53     }

    55     void method1(SAM1<?> s) {

    56         System.out.println("s.m1()=" + s.m1() + " s.m1().getClass()=" + s.m1().getClass());

    57           assertTrue(s.m1().equals(new Integer(1)));

    58     }

    60     interface SAM1<T> {

    61         T m1();

    62     }

    64     interface SAM2<T extends Serializable> {

    65         T m2(T t);

    66     }

    67 }

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

test/tools/javac/lambda/typeInference/InferenceTest789.java@7873d37f5b37

test/tools/javac/lambda/typeInference/InferenceTest789.java