1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/lambda/LambdaCapture04.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,143 @@
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 LambdaCapture04
1.34 + */
1.35 +
1.36 +public class LambdaCapture04 {
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<U> {
1.51 + public void foo(U u);
1.52 + }
1.53 +
1.54 + public static <U> void exec(TU<U> lambda, U x) {
1.55 + 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 + exec((final Integer x) -> new Tester() { public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); } }.test(),30);
1.70 + }
1.71 + }
1.72 + new B().test();
1.73 + }
1.74 + }
1.75 + new A().test();
1.76 + }
1.77 +
1.78 + void test2() {
1.79 + final Integer N1 = 1;
1.80 + class A {
1.81 + Integer n2 = 20;
1.82 + void test() {
1.83 + final Integer N2 = 2;
1.84 + class B {
1.85 + void test() {
1.86 + final Integer N3 = 3;
1.87 + exec((final Integer x) -> {
1.88 + class LocTester implements Tester {
1.89 + public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); }
1.90 + };
1.91 + new LocTester().test();
1.92 + },30);
1.93 + }
1.94 + }
1.95 + new B().test();
1.96 + }
1.97 + }
1.98 + new A().test();
1.99 + }
1.100 +
1.101 + void test3() {
1.102 + final Integer N1 = 1;
1.103 + new Tester() {
1.104 + Integer n2 = 20;
1.105 + public void test() {
1.106 + final Integer N2 = 2;
1.107 + new Tester() {
1.108 + public void test() {
1.109 + final Integer N3 = 3;
1.110 + exec((final Integer x) -> new Tester() { public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); } }.test(),30);
1.111 + }
1.112 + }.test();
1.113 + }
1.114 + }.test();
1.115 + }
1.116 +
1.117 + void test4() {
1.118 + final Integer N1 = 1;
1.119 + new Tester() {
1.120 + Integer n2 = 20;
1.121 + public void test() {
1.122 + final Integer N2 = 2;
1.123 + new Tester() {
1.124 + public void test() {
1.125 + final Integer N3 = 3;
1.126 + exec((final Integer x) -> {
1.127 + class LocTester implements Tester {
1.128 + public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); }
1.129 + };
1.130 + new LocTester().test();
1.131 + },30);
1.132 + }
1.133 + }.test();
1.134 + }
1.135 + }.test();
1.136 + }
1.137 +
1.138 + public static void main(String[] args) {
1.139 + LambdaCapture04 t = new LambdaCapture04();
1.140 + t.test1();
1.141 + t.test2();
1.142 + t.test3();
1.143 + t.test4();
1.144 + assertTrue(assertionCount == 4);
1.145 + }
1.146 +}
