1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/lambda/LambdaCapture03.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,99 @@
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 for capture of non-mutable locals/outer fields in multiple scopes
1.32 + * @author Maurizio Cimadamore
1.33 + * @run main LambdaCapture03
1.34 + */
1.35 +
1.36 +public class LambdaCapture03 {
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 Tester {
1.47 + void test();
1.48 + }
1.49 +
1.50 + interface TU<T, U> {
1.51 + public T foo(U u);
1.52 + }
1.53 +
1.54 + public static <T, U> T exec(TU<T, U> lambda, U x) {
1.55 + return lambda.foo(x);
1.56 + }
1.57 +
1.58 + Integer n1 = 10;
1.59 +
1.60 + void test1() {
1.61 + final Integer N1 = 1;
1.62 + class A {
1.63 + Integer n2 = 20;
1.64 + void test() {
1.65 + final Integer N2 = 2;
1.66 + class B {
1.67 + void test() {
1.68 + final Integer N3 = 3;
1.69 + int res = LambdaCapture03.exec((Integer x) -> x + n1 + n2 + N1 + N2 + N3, 30);
1.70 + assertTrue(res == 66);
1.71 + }
1.72 + }
1.73 + new B().test();
1.74 + }
1.75 + }
1.76 + new A().test();
1.77 + }
1.78 +
1.79 + void test2() {
1.80 + final Integer N1 = 1;
1.81 + new Tester() {
1.82 + Integer n2 = 20;
1.83 + public void test() {
1.84 + final Integer N2 = 2;
1.85 + new Tester() {
1.86 + public void test() {
1.87 + final Integer N3 = 3;
1.88 + int res = LambdaCapture03.exec((Integer x) -> x + n1 + n2 + N1 + N2 + N3, 30);
1.89 + assertTrue(res == 66);
1.90 + }
1.91 + }.test();
1.92 + }
1.93 + }.test();
1.94 + }
1.95 +
1.96 + public static void main(String[] args) {
1.97 + LambdaCapture03 t = new LambdaCapture03();
1.98 + t.test1();
1.99 + t.test2();
1.100 + assertTrue(assertionCount == 2);
1.101 + }
1.102 +}
