jdk8-mips64-public/langtools: test/tools/javac/lambda/typeInference/InferenceTest4.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  *  This test is for generic methods whose type is the same as the type

    29             of the generic SAM interface that is taken as the parameter of the

    30             generic method; the type can be inferred from the value of the other

    31             type arguments

    32  * @compile InferenceTest4.java

    33  * @run main InferenceTest4

    34  */

    36 import java.util.List;

    37 import java.util.ArrayList;

    39 public class InferenceTest4 {

    41     private static void assertTrue(boolean b) {

    42         if(!b)

    43             throw new AssertionError();

    44     }

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

    47         InferenceTest4 test = new InferenceTest4();

    48         test.method1(n -> n.size(), "abc", "java.lang.String");

    49         test.method1(n -> n.size(), 'c', "java.lang.Character");

    50         test.method1(n -> n.size(), 0, "java.lang.Integer");

    51         test.method1(n -> n.size(), 0.1, "java.lang.Double");

    52         test.method1(n -> n.size(), 0.1f, "java.lang.Float");

    53         test.method1(n -> n.size(), 0L, "java.lang.Long");

    54         test.method1(n -> n.size(), (short)0, "java.lang.Short");

    55         test.method1(n -> n.size(), (byte)0, "java.lang.Byte");

    56         test.method1(n -> n.size(), true, "java.lang.Boolean");

    57         test.method1(n -> n.size(), new int[]{1, 2, 3}, "[I");

    58         test.method1(n -> n.size(), new double[]{1.0}, "[D");

    59         test.method1(n -> n.size(), new String[]{}, "[Ljava.lang.String;");

    60     }

    62     <T> void method1(SAM1<T> s, T t, String className) {

    63         List<T> list = new ArrayList<T>();

    64         System.out.println(className + "-" + t.getClass().getName());

    65         assertTrue(t.getClass().getName().equals(className));

    66         list.add(t);

    67         assertTrue(s.m1(list) == 1);

    68     }

    70     interface SAM1<T> {

    71         int m1(List<T> x);

    72     }

    73 }

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

test/tools/javac/lambda/typeInference/InferenceTest4.java@7873d37f5b37

test/tools/javac/lambda/typeInference/InferenceTest4.java