jdk8-mips64-public/langtools: test/tools/javac/lambda/methodReferenceExecution/MethodReferenceTestTypeConversion.java@c6728c9addff

8010303: Graph inference: missing incorporation step causes spurious inference error
Summary: Multiple equality constraints on inference vars are not used to generate new inference constraints
Reviewed-by: jjg

     1 /*

     2  * Copyright (c) 2012, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    26 /**

    27  * @test

    28  * @bug 8003639

    29  * @summary convert lambda testng tests to jtreg and add them

    30  * @run testng MethodReferenceTestTypeConversion

    31  */

    33 import org.testng.annotations.Test;

    35 import static org.testng.Assert.assertEquals;

    37 /**

    38  * @author Robert Field

    39  */

    41 class MethodReferenceTestTypeConversion_E<T> {

    42     T xI(T t) { return t; }

    43 }

    45 @Test

    46 public class MethodReferenceTestTypeConversion {

    48     interface ISi { int m(Short a); }

    50     interface ICc { char m(Character a); }

    52     public void testUnboxObjectToNumberWiden() {

    53         ISi q = (new MethodReferenceTestTypeConversion_E<Short>())::xI;

    54         assertEquals(q.m((short)77), (short)77);

    55     }

    57     public void testUnboxObjectToChar() {

    58         ICc q = (new MethodReferenceTestTypeConversion_E<Character>())::xI;

    59         assertEquals(q.m('@'), '@');

    60     }

    62 }

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

test/tools/javac/lambda/methodReferenceExecution/MethodReferenceTestTypeConversion.java@c6728c9addff

test/tools/javac/lambda/methodReferenceExecution/MethodReferenceTestTypeConversion.java