diff -r 000000000000 -r 959103a6100f test/tools/javac/lambda/LambdaCapture03.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/LambdaCapture03.java Wed Apr 27 01:34:52 2016 +0800 @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8003280 + * @summary Add lambda tests + * test for capture of non-mutable locals/outer fields in multiple scopes + * @author Maurizio Cimadamore + * @run main LambdaCapture03 + */ + +public class LambdaCapture03 { + + static int assertionCount = 0; + + static void assertTrue(boolean cond) { + assertionCount++; + if (!cond) + throw new AssertionError(); + } + + interface Tester { + void test(); + } + + interface TU { + public T foo(U u); + } + + public static T exec(TU lambda, U x) { + return lambda.foo(x); + } + + Integer n1 = 10; + + void test1() { + final Integer N1 = 1; + class A { + Integer n2 = 20; + void test() { + final Integer N2 = 2; + class B { + void test() { + final Integer N3 = 3; + int res = LambdaCapture03.exec((Integer x) -> x + n1 + n2 + N1 + N2 + N3, 30); + assertTrue(res == 66); + } + } + new B().test(); + } + } + new A().test(); + } + + void test2() { + final Integer N1 = 1; + new Tester() { + Integer n2 = 20; + public void test() { + final Integer N2 = 2; + new Tester() { + public void test() { + final Integer N3 = 3; + int res = LambdaCapture03.exec((Integer x) -> x + n1 + n2 + N1 + N2 + N3, 30); + assertTrue(res == 66); + } + }.test(); + } + }.test(); + } + + public static void main(String[] args) { + LambdaCapture03 t = new LambdaCapture03(); + t.test1(); + t.test2(); + assertTrue(assertionCount == 2); + } +}