test/tools/javac/lambda/methodReference/MethodRef3.java

changeset 1415
01c9d4161882
parent 0
959103a6100f
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/lambda/methodReference/MethodRef3.java	Sat Nov 17 19:01:03 2012 +0000
     1.3 @@ -0,0 +1,60 @@
     1.4 +/*
     1.5 + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * @test
    1.29 + * @bug 8003280
    1.30 + * @summary Add lambda tests
    1.31 + *   Test unbound method reference
    1.32 + * @compile MethodRef3.java
    1.33 + * @run main MethodRef3
    1.34 + */
    1.35 +
    1.36 +public class MethodRef3 {
    1.37 +
    1.38 +    static interface A { String m(MethodRef3 mr); }
    1.39 +
    1.40 +    static interface B { String m(MethodRef3 mr, String s); }
    1.41 +
    1.42 +    private static void assertTrue(boolean cond) {
    1.43 +        if (!cond)
    1.44 +            throw new AssertionError();
    1.45 +    }
    1.46 +
    1.47 +    String moo() {
    1.48 +        return "moo";
    1.49 +    }
    1.50 +
    1.51 +    String wahoo(String s) {
    1.52 +        return "wahoo " + s;
    1.53 +    }
    1.54 +
    1.55 +    public static void main(String[] args) {
    1.56 +
    1.57 +        MethodRef3 mr = new MethodRef3();
    1.58 +        A a = MethodRef3::moo; //unbound reference to moo()
    1.59 +        assertTrue( a.m(mr).equals("moo") );
    1.60 +        B b = MethodRef3::wahoo; //unbound reference to wahoo()
    1.61 +        assertTrue( b.m(mr, "hi").equals("wahoo hi") );
    1.62 +    }
    1.63 +}

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