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

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/lambda/LambdaCapture05.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,81 @@
     1.4 +/*
     1.5 + * Copyright (c) 2012, 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 for capture in nested lambda expressions
    1.32 + * @author  Maurizio Cimadamore
    1.33 + * @run main LambdaCapture05
    1.34 + */
    1.35 +
    1.36 +public class LambdaCapture05 {
    1.37 +
    1.38 +    static int assertionCount = 0;
    1.39 +
    1.40 +    static void assertTrue(boolean cond) {
    1.41 +        assertionCount++;
    1.42 +        if (!cond)
    1.43 +            throw new AssertionError();
    1.44 +    }
    1.45 +
    1.46 +    interface TU<T, U> {
    1.47 +        public T foo(U u);
    1.48 +    }
    1.49 +
    1.50 +    public static <T, U> T exec(TU<T, U> lambda, U x) {
    1.51 +        return lambda.foo(x);
    1.52 +    }
    1.53 +
    1.54 +    int i = 40;
    1.55 +
    1.56 +    void test1(final int a0) {
    1.57 +        exec((final Integer a1) -> {
    1.58 +            final Integer x2 = 10; exec((final Integer a2) -> {
    1.59 +                final Integer x3 = 20;
    1.60 +                exec((final Integer a3) -> { assertTrue(106 == (a0 + a1 + a2 + a3 + x2 + x3 + i)); return null; }, 3);
    1.61 +                return null;
    1.62 +            },2);
    1.63 +            return null;
    1.64 +        },1);
    1.65 +    }
    1.66 +
    1.67 +    static void test2(final int a0) {
    1.68 +        exec((final Integer a1) -> {
    1.69 +            final Integer x2 = 10; exec((final Integer a2) -> {
    1.70 +                final Integer x3 = 20;
    1.71 +                exec((final Integer a3) -> { assertTrue(66 == (a0 + a1 + a2 + a3 + x2 + x3)); return null; }, 3);
    1.72 +                return null;
    1.73 +            }, 2);
    1.74 +            return null;
    1.75 +        }, 1);
    1.76 +    }
    1.77 +
    1.78 +    public static void main(String[] args) {
    1.79 +        LambdaCapture05 t = new LambdaCapture05();
    1.80 +        t.test1(30);
    1.81 +        test2(30);
    1.82 +        assertTrue(assertionCount == 2);
    1.83 +    }
    1.84 +}