aoqi@0: /*
aoqi@0:  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 8003280
aoqi@0:  * @summary Add lambda tests
aoqi@0:  *  test for capture of non-mutable locals/outer fields in multiple scopes
aoqi@0:  * @author  Maurizio Cimadamore
aoqi@0:  * @run main LambdaCapture04
aoqi@0:  */
aoqi@0: 
aoqi@0: public class LambdaCapture04 {
aoqi@0: 
aoqi@0:     static int assertionCount = 0;
aoqi@0: 
aoqi@0:     static void assertTrue(boolean cond) {
aoqi@0:         assertionCount++;
aoqi@0:         if (!cond)
aoqi@0:             throw new AssertionError();
aoqi@0:     }
aoqi@0: 
aoqi@0:     interface Tester {
aoqi@0:         void test();
aoqi@0:     }
aoqi@0: 
aoqi@0:     interface TU<U> {
aoqi@0:         public void foo(U u);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static <U> void exec(TU<U> lambda, U x) {
aoqi@0:         lambda.foo(x);
aoqi@0:     }
aoqi@0: 
aoqi@0:     Integer n1 = 10;
aoqi@0: 
aoqi@0:     void test1() {
aoqi@0:         final Integer N1 = 1;
aoqi@0:         class A {
aoqi@0:             Integer n2 = 20;
aoqi@0:             void test() {
aoqi@0:                   final Integer N2 = 2;
aoqi@0:                   class B {
aoqi@0:                        void test() {
aoqi@0:                            final Integer N3 = 3;
aoqi@0:                            exec((final Integer x) -> new Tester() { public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); } }.test(),30);
aoqi@0:                        }
aoqi@0:                   }
aoqi@0:                   new B().test();
aoqi@0:             }
aoqi@0:         }
aoqi@0:         new A().test();
aoqi@0:     }
aoqi@0: 
aoqi@0:     void test2() {
aoqi@0:         final Integer N1 = 1;
aoqi@0:         class A {
aoqi@0:             Integer n2 = 20;
aoqi@0:             void test() {
aoqi@0:                   final Integer N2 = 2;
aoqi@0:                   class B {
aoqi@0:                        void test() {
aoqi@0:                            final Integer N3 = 3;
aoqi@0:                            exec((final Integer x) -> {
aoqi@0:                                class LocTester implements Tester {
aoqi@0:                                    public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); }
aoqi@0:                                };
aoqi@0:                                new LocTester().test();
aoqi@0:                            },30);
aoqi@0:                        }
aoqi@0:                   }
aoqi@0:                   new B().test();
aoqi@0:             }
aoqi@0:         }
aoqi@0:         new A().test();
aoqi@0:     }
aoqi@0: 
aoqi@0:     void test3() {
aoqi@0:         final Integer N1 = 1;
aoqi@0:         new Tester() {
aoqi@0:             Integer n2 = 20;
aoqi@0:             public void test() {
aoqi@0:                 final Integer N2 = 2;
aoqi@0:                 new Tester() {
aoqi@0:                     public void test() {
aoqi@0:                         final Integer N3 = 3;
aoqi@0:                         exec((final Integer x) -> new Tester() { public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); } }.test(),30);
aoqi@0:                     }
aoqi@0:                 }.test();
aoqi@0:             }
aoqi@0:         }.test();
aoqi@0:     }
aoqi@0: 
aoqi@0:     void test4() {
aoqi@0:         final Integer N1 = 1;
aoqi@0:         new Tester() {
aoqi@0:             Integer n2 = 20;
aoqi@0:             public void test() {
aoqi@0:                 final Integer N2 = 2;
aoqi@0:                 new Tester() {
aoqi@0:                     public void test() {
aoqi@0:                         final Integer N3 = 3;
aoqi@0:                         exec((final Integer x) -> {
aoqi@0:                             class LocTester implements Tester {
aoqi@0:                                 public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); }
aoqi@0:                             };
aoqi@0:                             new LocTester().test();
aoqi@0:                         },30);
aoqi@0:                     }
aoqi@0:                 }.test();
aoqi@0:             }
aoqi@0:         }.test();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String[] args) {
aoqi@0:         LambdaCapture04 t = new LambdaCapture04();
aoqi@0:         t.test1();
aoqi@0:         t.test2();
aoqi@0:         t.test3();
aoqi@0:         t.test4();
aoqi@0:         assertTrue(assertionCount == 4);
aoqi@0:     }
aoqi@0: }